Public recordModerate
Software health reportschema 0.26.0 · metrics 1.13.0 · 2026-07-22 01:33 UTC
proper-testing / proper
PropEr: a QuickCheck-inspired property-based testing tool for Erlang
proper-testing/proper holds a health index of 58 out of 100, placing it in the Moderate band. It scores highest on Engineering Quality (72/100) and lowest on AI Readiness (31/100). It was last updated 27 days ago. 2 contributors account for most of its recent work.
58
overall / 100Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
58
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
Score profile
Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.
Ownership
PropEr Testing ToolsOrganization
3 followers2 public repossince May 2018
This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish |
|---|---|---|---|---|---|
| Hex | proper | 1.5.0 | 59,934 | 6 | 475 days ago |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
45
Development activity
45At risk
How it's scored
| 28.8/36 | Push recency — last push 27 days ago |
| 4.8/36 | Commit cadence — 7/52 weeks with commits |
| 8.6/18 | Commit volume — 8 commits in the last year |
| 3/10 | OpenSSF Scorecard: Maintained — 4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3 |
Inputs used
| commits_last_year | 8 |
| human_commit_share | 1 |
| days_since_last_push | 27 |
| active_weeks_last_year | 7 |
Release discipline
44At risk
How it's scored
| 27/27 | Ships releases — 4 releases published |
| 7.2/36 | Release recency — latest release 482 days ago |
| 5.4/27 | Release cadence — a release every ~1,068.9 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 4 |
| latest_release_tag | v1.5.0 |
| releases_from_tags | no |
| days_since_latest_release | 482 |
| mean_days_between_releases | 1,068.9 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
68
Popularity & adoption
75Good
How it's scored
| 48/60 | Stars — 914 stars |
| 18.5/25 | Forks — 167 forks |
| 8.4/15 | Watchers — 34 watchers |
Inputs used
| forks | 167 |
| stars | 914 |
| watchers | 34 |
| growth_state | organic |
| growth_factor_pct | 100 |
Community health
50Moderate
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (GPL-3.0) |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
How it's scored
| 63.7/80 | Monthly downloads — 59,934 downloads/month across hex |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | proper |
| dependents | — |
| ecosystems | hex |
| total_downloads | 6,480,908 |
| monthly_downloads | 59,934 |
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
62
Maintainer resilience (bus factor)
60Moderate
How it's scored
| 25.2/54 | Bus factor — 2 contributor(s) cover half of all commits |
| 11.3/22.5 | Commit distribution — top contributor authored 50% of commits |
| 13.5/13.5 | Contributor breadth — 39 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 12 contributing companies or organizations |
Inputs used
| bus_factor | 2 |
| contributors_sampled | 39 |
| top_contributor_share | 0.499 |
Issue & PR responsiveness
63Moderate
How it's scored
| 31.7/46.8 | Issue resolution — 68% of issues closed |
| 31.5/38.3 | PR acceptance — 163/198 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 2/30 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 163 |
| open_issues | 39 |
| closed_issues | 82 |
| issue_closed_ratio | 0.678 |
| closed_unmerged_prs | 35 |
Ownership & stewardship
50Moderate
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 4.3/25 | Owner reach — 3 followers of proper-testing |
| 15.5/25 | Track record — 2 public repos, account ~8 yr old |
Inputs used
| followers | 3 |
| owner_type | Organization |
| is_verified | — |
| owner_login | proper-testing |
| public_repos | 2 |
| account_age_days | 2,996 |
Package maintenance
79Good
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on hex |
| 14/35 | Publish recency — latest publish 475 days ago |
| 20/20 | Version history — 6 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | proper |
| ecosystems | hex |
| any_deprecated | no |
| min_days_since_publish | 475 |
Engineering Quality
Are baseline engineering and documentation practices in place?
72
Engineering practices
54Moderate
How it's scored
| 24/24 | CI workflows — 3 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 6/20 | OpenSSF Scorecard: CI-Tests — 6 out of 17 merged PRs checked by a CI test -- score normalized to 3 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
100Excellent
How it's scored
| 30/30 | README |
| 25/25 | Documentation directory |
| 15/15 | Documentation / homepage site — http://proper-testing.github.io |
| 10/10 | Repository description |
| 10/10 | Topics — 4 topics |
| 10/10 | Wiki |
Inputs used
| topics | erlang, release-badge, codecov-badge, erlang-versions-badge |
| has_wiki | yes |
| homepage | http://proper-testing.github.io |
| has_readme | yes |
| has_docs_dir | yes |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
41
Security posture
41At risk
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 0.8/2.5 | CI-Tests — 6 out of 17 merged PRs checked by a CI test -- score normalized to 3 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 2/30 approved changesets -- score normalized to 0 |
| 2.5/2.5 | Contributors — project has 12 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 5/5 | Fuzzing — project is fuzzed |
| 2.5/2.5 | License — license file detected |
| 2.2/7.5 | Maintained — 4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3 |
| 0/5 | Packaging — no data |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — no data |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 4.1 |
Excluded from scoring (no data or not applicable): packaging, signed_releases. Remaining weights renormalized.
AI Readiness
How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.
31
Agent context & guidance
31At risk
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 30.9/40 | Legible commit history — 58 of 100 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.58 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
How it's scored
| 18/18 | One-command bootstrap — Makefile |
| 22/22 | Automated tests |
| 0/11 | Lint / format config |
| 0/11 | Static type checking |
| 0/10 | Reproducible environment |
| 0/10 | Demonstrated agent practice — no agent-authored commits among the last 100 |
| 0/8 | Automated maintenance — no automated dependency updates observed |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
Inputs used
| has_nix | no |
| has_tests | yes |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | no |
| bootstrap_files | Makefile |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Code legibility for models
1Critical
How it's scored
| 0/45 | Type-checkable code — Erlang without a type-check config |
| 0/55 | Manageable file sizes — no source files detected |
Inputs used
| primary_language | Erlang |
| largest_source_bytes | — |
| source_files_sampled | 0 |
| oversized_source_files | 0 |
Excluded from scoring (no data or not applicable): Manageable file sizes. Remaining weights renormalized.
Machine-readable interfaces
40At risk
How it's scored
| 0/40 | API schema (OpenAPI/GraphQL/proto) |
| 0/20 | MCP server |
| 40/40 | Runnable examples — examples |
Inputs used
| example_dirs | examples |
| has_mcp_signal | no |
| api_schema_files | — |
Key facts
914GitHub stars
39contributors
8commits, last 12 months
27days since last push
4releases
2bus factor
39open issues
—package ecosystems
More detail
Star and fork history 914 ★ / 167 ⇿
914Stars
167Forks
4Releases
When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.
Major 0Minor 1Patch 0
Each point covers 15 days.
OpenSSF Scorecard 4.1 / 10
4.1aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 3 | CI-Tests | 6 out of 17 merged PRs checked by a CI test -- score normalized to 3 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 2/30 approved changesets -- score normalized to 0 |
| 10 | Contributors | project has 12 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 0 | Dependency-Update-Tool | no update tool detected |
| 10 | Fuzzing | project is fuzzed |
| 10 | License | license file detected |
| 3 | Maintained | 4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3 |
| n/a | Packaging | packaging workflow not detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| n/a | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
All dependencies 0
Full resolved dependency set from the GitHub dependency graph: 0 direct and 0 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|
Dependency advisories not assessed
Advisory matching could not run for this report: No resolved dependencies to assess
Raw JSON report machine-readable
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"headline": "Test also with 25.3 (#306)",
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"oid": "bb0f0a33c93a88f3ca350990f14dc58c922af226",
"body": "* Add code spell GitHub action (excluding the THANKS file)\r\n\r\n* Fix some names of variables",
"is_bot": false,
"headline": "Add a code spell GitHub action (#304)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"headline": "Improve the names of some variables (and fix typos)",
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"oid": "78786b859ce9a1facfb4c4570a14c657f26cb937",
"body": "Since this PR would update the README anyway, took the opportunity to\r\nalso fix the erroneous URI mentioned in the git clone command.\r\n(Thanks to @kikofernandez for noticing the issue in PR #302.)",
"is_bot": false,
"headline": "Test also with Erlang/OTP 25.2 (#303)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-12-27T09:55:00Z",
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"oid": "284650084f04dcdf998bf54447a503cc73141801",
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"headline": "Upgrade to v3 of GitHub actions",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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{
"oid": "2afcf3fbd83b1f651f1c545c0ed1b1e75b382751",
"body": "Codecov v1 has been deprecated since February 2022.\r\nUpgrade directly to version 3.",
"is_bot": false,
"headline": "Upgrade codecov action from v1 to v3 (#301)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-11-24T10:54:53Z",
"body_truncated": false,
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{
"oid": "b4a6374540e7f1aff100e92069124b48e5903da2",
"body": "While at it, remove the `?LAZY()` call from its body and also place\nsome generators in the right -or at least same- order in proper.hrl\nand in proper_types.erl",
"is_bot": false,
"headline": "Include `map()` as a PropEr type generator",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-10-27T15:07:35Z",
"body_truncated": false,
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"oid": "3bbd252332ee8e6dc8f1d8fc5a66c99a55730cc0",
"body": null,
"is_bot": false,
"headline": "Handle the map() type in documentation",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-10-25T06:53:10Z",
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"body": null,
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"headline": "Minor code cleanups",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-10-24T20:00:41Z",
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"oid": "9d442ea3706fb552333ae8479c4608f082b25454",
"body": "While at it, do some minor copyright-related updates.",
"is_bot": false,
"headline": "Add 25.1.1 in tested OTP versions (#299)",
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"author_login": "kostis",
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"oid": "bfd7d862dd5082eeca65c192a7021d0e4de5973e",
"body": "…298)\n\nSigned-off-by: Pierre Fenoll <pierrefenoll@gmail.com>",
"is_bot": false,
"headline": "Fix for PBT tutorial: export helper function mentioned in tutorial (#…",
"author_name": "Pierre Fenoll",
"author_login": "fenollp",
"committed_at": "2022-07-26T15:27:22Z",
"body_truncated": false,
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"oid": "cfc29e7615ec0a93ac0be619d33609c2139b57fd",
"body": "Address the deprecation of the old slave module in OTP 25.x. To do so, two new macros ?START_PEER_NODE/1 and ?STOP_PEER_NODE/1 have been added, which handle the node setup and teardown properly depending on the OTP version PropEr was compiled with.\r\n\r\nI also took the chance to improve the naming in the codebase around said nodes, and to make the code a bid cleaner.\r\n\r\nFixes #293",
"is_bot": false,
"headline": "Address deprecation warnings in OTP25 (#294)",
"author_name": "Pablo Costas Sánchez",
"author_login": "pablocostass",
"committed_at": "2022-05-31T16:17:19Z",
"body_truncated": false,
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"oid": "564283db85cb11f10fcb93dc6c705626ad85d12c",
"body": "* Remove support for versions without OTP_RELEASE macro\r\n\r\n* Remove STACKTRACE as a macro",
"is_bot": false,
"headline": "Discontinue support for 20.x (#292)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-05-25T12:58:20Z",
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"oid": "9f9f18a3e5a7dc3e07c54b0af5fbbdb4c65897d1",
"body": "* Add 25.0 in tested OTP versions and remove (most of) the new warnings\r\n\r\n* Adopt the code of eunit_lib:fun_parent/1\r\n\r\nThis function was removed in 25.0, because it relies on undocumented\r\nbehaviour. Still it is needed in PropEr, so we resurrect it from\r\nits grave and adopt it in PropEr's codebase.",
"is_bot": false,
"headline": "Add 25.0 in tested OTP versions (#291)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-05-25T11:55:34Z",
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"oid": "0ee71f84dbeb16b1a8b12f1b0e387b2535a399fa",
"body": null,
"is_bot": false,
"headline": "Add 24.3 in the list of supported versions",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-04-20T10:50:35Z",
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"oid": "7736b3fecd0afe7e869a64c2af78d89343226ec6",
"body": null,
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"headline": "Increase the timeout value of a test (for running on GitHub actions)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-02-01T12:14:44Z",
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"oid": "3c2cf152797b3b673e1c5ca7f4bd6a36775597f3",
"body": null,
"is_bot": false,
"headline": "Add 24.2 to the matrix",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-02-01T11:46:42Z",
"body_truncated": false,
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"oid": "d913ebe78bb390cc2999cd34775a3304ed65e26f",
"body": null,
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"headline": "Add 24.1 to the matrix",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2022-01-29T17:35:01Z",
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{
"oid": "7b71bc4071a309a29c93b4d3a3b74574e6d8619f",
"body": "Thanks for your contribution and your interest in improving PropEr's code base.",
"is_bot": false,
"headline": "Fix typos (#287)",
"author_name": "Kian-Meng Ang",
"author_login": "kianmeng",
"committed_at": "2022-01-19T07:19:56Z",
"body_truncated": false,
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"oid": "9f6a6501430479bed66d08cd795cd34d36ec83aa",
"body": "Co-authored-by: Andreas Löscher <loscher@fb.com>",
"is_bot": false,
"headline": "update mail unused email address to current one (#285)",
"author_name": "Andreas Löscher",
"author_login": "TheGeorge",
"committed_at": "2021-07-22T10:55:14Z",
"body_truncated": false,
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{
"oid": "181423b896653ca537775a1e5d6c25dc5d4e60cf",
"body": "coverall should not be a transitive dependency for proper, and only\r\nbe respected when developing proper itself (specifically for CI runs)\r\n\r\nCo-authored-by: Andreas Löscher <loscher@fb.com>",
"is_bot": false,
"headline": "mark covertool as project_plugin (#283)",
"author_name": "Andreas Löscher",
"author_login": "TheGeorge",
"committed_at": "2021-07-20T16:01:33Z",
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"oid": "a17e23e03dc5d64a79dbd47d16da768adac7f07b",
"body": null,
"is_bot": false,
"headline": "Cleanups in proper.app.src (#279)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-06-25T22:03:29Z",
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"oid": "482a170af607bbbf95e7d3c6bf621e8028209060",
"body": null,
"is_bot": false,
"headline": "Increase magic's timeout for targeted props (#280)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-06-25T21:38:01Z",
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"oid": "d2fa4547657fc1c52d722c88283da31835750177",
"body": null,
"is_bot": false,
"headline": "Cosmetic changes",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-06-09T19:41:38Z",
"body_truncated": false,
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"oid": "1e706b42b96389221da16a1aceaab971627d8429",
"body": "Closes #277",
"is_bot": false,
"headline": "Upgrade rebar3 to a safe version (#278)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-06-09T17:50:08Z",
"body_truncated": false,
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{
"oid": "fa10d55f5be4bb00d7122f4fc2e1efc1dd8f2ef6",
"body": "1. Add the `preprocess` edoc instruction to let rebar3 properly rebuild\r\n edoc, otherwise macros aren't handled properly and everything\r\n crashes.\r\n2. Add the official site documentation link to the .app.src file so hex\r\n knows to publish it. The initial link was in mix.exs and taken out,\r\n which got rid of metadata.",
"is_bot": false,
"headline": "Make hex docs work again (#276)",
"author_name": "Fred Hebert",
"author_login": "ferd",
"committed_at": "2021-05-19T10:37:26Z",
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{
"oid": "1daf130b0dfaea1f867751e43d82d7be7ebaa457",
"body": null,
"is_bot": false,
"headline": "Some cleanups in the parallel code (#275)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-18T19:18:09Z",
"body_truncated": false,
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"oid": "6302ea0e45d17d06e07f50e6b0659a6887331ce3",
"body": null,
"is_bot": false,
"headline": "Makefile: Add no-check-certificate to wget",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-16T19:52:58Z",
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{
"oid": "35e179ece4eb36123e6f045f40aab4c28088a0d3",
"body": "PropEr has the ability to turn type declarations into generators, and\r\nthus allows types to appear in places where function calls would be\r\nexpected. Alas, the Erlang compiler is unaware of this, and warns that\r\ntypes are unused, as in the module below. A simple fix, at least for\r\nthe time being, \n[…]\n, a better option\r\nwould be for the Erlang compiler to be PropEr-aware...\r\n\r\n-module(tt).\r\n-include_lib(\"proper/include/proper.hrl\").\r\n\r\n-type t() :: 1..42.\r\n\r\nprop_foo() ->\r\n ?FORALL(X, t(), X > 0).",
"is_bot": false,
"headline": "Suppress warnings on unused types (#274)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"oid": "409c09d7f7352ee4f5552fef6e4e76a40cd461ad",
"body": "This commit fixes an issue with TPBT, especially stateful TPBT, where\r\nthere could be cases of the shrinker not exactly matching the instance\r\nto be shrunk. Now, the instance is cleaned similarly to how the shrinker\r\nis selected.",
"is_bot": false,
"headline": "Be more selective before shrinking clean instances (#273)",
"author_name": "Spiros Dontas",
"author_login": "xspirus",
"committed_at": "2021-05-16T15:33:03Z",
"body_truncated": false,
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{
"oid": "c6adaaa0dd5ac0a485e0cad16a73849a8612fbea",
"body": "It does not contain tests because they are 24.0 -specific.",
"is_bot": false,
"headline": "Handle nonempty_{binary,bitstring} built-in types (#272)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-16T11:16:04Z",
"body_truncated": false,
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{
"oid": "15b7b38f77d7efb6a28c933a9e143720f09cf608",
"body": "* Test 24.0 on GitHub actions\r\n\r\n* Eliminate some 24.0 compiler warnings on an example\r\n\r\n* Eliminate Edoc @type warnings",
"is_bot": false,
"headline": "Test 24.0 on GitHub actions (#271)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-16T05:59:39Z",
"body_truncated": false,
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"oid": "16a2becc8a888ec93837aa0731d8e26951c61267",
"body": null,
"is_bot": false,
"headline": "Pass some options to avoid failure due to exhausting num of tries (#270)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-15T21:10:57Z",
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{
"oid": "64812697707ad6ffb51ea19c93b10ca120fe8bff",
"body": "* Add a first approach to parellizing PropEr using processes\r\n\r\nModify the `user_opts` type and `opts` record to\r\nallow the possibility of spawning multiple\r\nprocesses to perform the tests\r\n\r\nUpdate `inner_test` function: each process is\r\nassigned a cerain number of tests to run from\r\nthe total coun\n[…]\nmworkers` to be consistent with the existing API\r\n\r\n* Address review comments\r\n\r\n* Refactor common code in parallel_perform/2 into a new function\r\n\r\nCo-authored-by: pablocostass <pablo.costass@udc.es>",
"is_bot": false,
"headline": "Extend PropEr with parallel execution (#263)",
"author_name": "Pablo Costas Sánchez",
"author_login": "pablocostass",
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"oid": "b11a52ae7aa7aed56135f9845f6dea253e0a2bce",
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"headline": "One more badge in README [skip ci]",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-05-11T19:44:12Z",
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"oid": "e3a12c478023ead2ce028fd9312c62a396456f03",
"body": "While at it, also up the timeout value of erlang abstract code test.",
"is_bot": false,
"headline": "Add new Erlang built-in types to abstract code generator",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-04-29T07:36:37Z",
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"oid": "cca1edf641b18543098cf534600eb018bb38d16d",
"body": null,
"is_bot": false,
"headline": "Re-instate check for PLT and add some more OTP libraries",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-04-12T09:29:03Z",
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"oid": "ed2e532ca022c1cdd2d6fc8a7b80d2b442301280",
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"headline": "Move the EUnit tests inside the example modules (#266)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-04-02T14:55:23Z",
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"oid": "74da84c5d4b15ad3457031e97f46cd64e8163b01",
"body": "Before GitHub actions, we separated some lengthy (and flaky) examples tests out of `proper_tests` and placed them in a separate test target in the `Makefile`. For increased coverage, some of the examples were still tested in `proper_tests` as whole modules.\r\n\r\nBoth for consistency and in preparation for using the examples as tests for #263, we now have a _single_ place (GitHub action) where the complete set of examples is tested.",
"is_bot": false,
"headline": "Move the testing of examples in the `examples` directories (#264)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-03-30T18:44:08Z",
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"oid": "1201e874738671bfc4cb5a5f1f96c025e921fe4e",
"body": null,
"is_bot": false,
"headline": "Use 23.3 in GitHub actions (#265)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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{
"oid": "275c218e10b8ab579d4f3cbcb96b106042f58437",
"body": "* Remove (now) obsolete comment\r\n\r\n* Perform some structure reuse",
"is_bot": false,
"headline": "Erlang abstract code cleanup (#262)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"body": null,
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"headline": "Introduce nil() built-in generator and allow 0 as a frequency",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"is_bot": false,
"headline": "Eliminate @spec Edoc tags",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-02-24T16:24:27Z",
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"body": null,
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"headline": "Eliminate warnings from OTP 24's compiler (#261)",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"oid": "0d0dd956cb1d89f99160a1d6808fe35a3c59b8e0",
"body": null,
"is_bot": false,
"headline": "Add 16-bit floats to Erlang abstract code generator (#260)",
"author_name": "Hans Bolinder",
"author_login": "uabboli",
"committed_at": "2021-02-23T08:29:31Z",
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"is_bot": false,
"headline": "Reverse the order of OTPs",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"oid": "d901e831f3e44478c37dfc77cc57e62905138856",
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"headline": "Strengthen a spec",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
"committed_at": "2021-02-20T08:50:16Z",
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"oid": "489328986295e872fdf05ea36b69c88516ddfce6",
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"headline": "Small update in README",
"author_name": "Kostis Sagonas",
"author_login": "kostis",
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"oid": "a947cace597e9b13a3e297b88b57febaa6dcfb38",
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"headline": "Replace travis with github actions (#259)",
"author_name": "Spiros Dontas",
"author_login": "xspirus",
"committed_at": "2021-02-07T16:21:08Z",
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"mean_days_between_releases": 1068.9
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"components": [
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"name": "Ships releases",
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"points": 27,
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}
],
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{
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"detail": "latest release 482 days ago",
"points": 7.2,
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"days": 482
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}
],
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{
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},
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"cap": null,
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},
"components": [
{
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"code": "abandonment_maintained",
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"days": 27
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}
],
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]
}
],
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},
{
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"weight": 0.18,
"metrics": [
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"note": null,
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"code": "stars",
"params": {
"count": 914
}
}
],
"max_points": 60
},
{
"key": "forks",
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"detail": "167 forks",
"points": 18.5,
"status": "partial",
"details": [
{
"code": "forks",
"params": {
"count": 167
}
}
],
"max_points": 25
},
{
"key": "watchers",
"name": "Watchers",
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"points": 8.4,
"status": "partial",
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"code": "watchers",
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"count": 34
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}
],
"max_points": 15
}
]
},
{
"key": "community_health",
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"name": "Community health",
"note": null,
"notes": [],
"value": 50,
"inputs": {
"has_readme": true,
"has_license": true,
"has_contributing": false,
"has_issue_template": false,
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"has_pull_request_template": false
},
"components": [
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},
{
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"status": "met",
"details": [
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"code": "license_standard",
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{
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},
{
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},
{
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{
"key": "pr_template",
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}
]
},
{
"key": "ecosystem_adoption",
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"notes": [
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"code": "excluded_no_data",
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],
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"dependents": null,
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"components": [
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"code": "downloads_monthly",
"params": {
"count": 59934,
"ecosystems": "hex"
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}
],
"max_points": 80
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{
"key": "registry_dependents",
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"status": "excluded",
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{
"code": "not_reported_by_this_ecosystem",
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}
],
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]
}
],
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},
{
"key": "governance",
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"name": "Sustainability & Governance",
"value": 62,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "moderate",
"name": "Maintainer resilience (bus factor)",
"note": null,
"notes": [],
"value": 60,
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"components": [
{
"key": "bus_factor",
"name": "Bus factor",
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{
"code": "bus_factor",
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"count": 2
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}
],
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{
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"status": "partial",
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"code": "top_contributor_share",
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"share": 50
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}
],
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{
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"status": "met",
"details": [
{
"code": "contributors_sampled",
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"count": 39
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}
],
"max_points": 13.5
},
{
"key": "openssf_scorecard_contributors",
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"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
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"name": "Issue & PR responsiveness",
"note": null,
"notes": [],
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"inputs": {
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"issue_closed_ratio": 0.678,
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"components": [
{
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"details": [
{
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}
],
"max_points": 46.75
},
{
"key": "pr_acceptance",
"name": "PR acceptance",
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"status": "partial",
"details": [
{
"code": "decided_prs_merged",
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}
],
"max_points": 38.25
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{
"key": "openssf_scorecard_code_review",
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"detail": "Found 2/30 approved changesets -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
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]
},
{
"key": "stewardship",
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"name": "Ownership & stewardship",
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"notes": [],
"value": 50,
"inputs": {
"followers": 3,
"owner_type": "Organization",
"is_verified": null,
"owner_login": "proper-testing",
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"components": [
{
"key": "ownership_backing",
"name": "Ownership backing",
"detail": "organization-owned",
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"status": "met",
"details": [
{
"code": "owner_organization",
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}
],
"max_points": 30
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{
"key": "verified_domain",
"name": "Verified domain",
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"points": 0,
"status": "missed",
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},
{
"key": "owner_reach",
"name": "Owner reach",
"detail": "3 followers of proper-testing",
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"status": "partial",
"details": [
{
"code": "owner_followers",
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"count": 3,
"login": "proper-testing"
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}
],
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{
"key": "track_record",
"name": "Track record",
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"status": "partial",
"details": [
{
"code": "public_repos",
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"count": 2
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},
{
"code": "account_age_years",
"params": {
"years": 8
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}
],
"max_points": 25
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]
},
{
"key": "package_maintenance",
"band": "good",
"name": "Package maintenance",
"note": null,
"notes": [],
"value": 79,
"inputs": {
"packages": [
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"ecosystems": "hex",
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"min_days_since_publish": 475
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"components": [
{
"key": "published_resolvable",
"name": "Published & resolvable",
"detail": "1 package(s) on hex",
"points": 25,
"status": "met",
"details": [
{
"code": "packages_published",
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"count": 1,
"ecosystems": "hex"
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}
],
"max_points": 25
},
{
"key": "publish_recency",
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"status": "partial",
"details": [
{
"code": "publish_recency",
"params": {
"days": 475
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}
],
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{
"key": "version_history",
"name": "Version history",
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"points": 20,
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"code": "published_versions",
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"count": 6
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}
],
"max_points": 20
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{
"key": "not_deprecated",
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{
"code": "package_not_deprecated",
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}
],
"max_points": 20
}
]
}
],
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},
{
"key": "engineering",
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"name": "Engineering Quality",
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"weight": 0.2,
"metrics": [
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"key": "engineering_practices",
"band": "moderate",
"name": "Engineering practices",
"note": null,
"notes": [],
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"inputs": {
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"components": [
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"key": "ci_workflows",
"name": "CI workflows",
"detail": "3 workflow(s)",
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"details": [
{
"code": "ci_workflows",
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}
],
"max_points": 24
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{
"key": "tests_present",
"name": "Tests present",
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"points": 24,
"status": "met",
"details": [],
"max_points": 24
},
{
"key": "linter_config",
"name": "Linter config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "pre_commit_hooks",
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"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "editorconfig",
"name": ".editorconfig",
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"points": 0,
"status": "missed",
"details": [],
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{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
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"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
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"name": "Documentation",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"topics": [
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"erlang-versions-badge"
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"components": [
{
"key": "readme",
"name": "README",
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"details": [],
"max_points": 30
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{
"key": "documentation_directory",
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"details": [],
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{
"key": "documentation_homepage_site",
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"details": [],
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{
"key": "repository_description",
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"points": 10,
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"details": [],
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{
"key": "topics",
"name": "Topics",
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"status": "met",
"details": [
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"code": "topics_count",
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}
],
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},
{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
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"name": "Security",
"value": 41,
"weight": 0.16,
"metrics": [
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"key": "security_posture",
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"notes": [
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"code": "excluded_no_data",
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"components": [
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}
},
{
"code": "weights_renormalized",
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}
],
"value": 41,
"inputs": {
"source": "openssf_scorecard",
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"scorecard_version": "v5.5.0",
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"components": [
{
"key": "binary_artifacts",
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"status": "met",
"details": [],
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},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "branch protection not enabled on development/release branches",
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"status": "missed",
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},
{
"key": "ci_tests",
"name": "CI-Tests",
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{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
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},
{
"key": "code_review",
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},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 12 contributing companies or organizations",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
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"status": "met",
"details": [],
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},
{
"key": "dependency_update_tool",
"name": "Dependency-Update-Tool",
"detail": "no update tool detected",
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"status": "missed",
"details": [],
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},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is fuzzed",
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"status": "met",
"details": [],
"max_points": 5
},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3",
"points": 2.2,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow not detected",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "sast",
"name": "SAST",
"detail": "SAST tool is not run on all commits -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file not detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "token_permissions",
"name": "Token-Permissions",
"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "0 existing vulnerabilities detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "excellent",
"name": "High-Risk Jurisdiction Exposure",
"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
}
],
"value": 100,
"inputs": {
"meaning": "self-published location evidence; not nationality or citizenship",
"red_flag": false,
"exposures": [],
"policy_countries": [
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"Iran",
"North Korea"
],
"review_only_matches": 0,
"assessed_self_published_locations": 14
},
"components": [
{
"key": "policy_exposure_multiplier",
"name": "Policy exposure multiplier",
"detail": "no confirmed policy-scope location match",
"points": 100,
"status": "met",
"details": [
{
"code": "jurisdiction_no_match",
"params": {}
}
],
"max_points": 100
}
]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
"key": "ai_readiness",
"band": "at_risk",
"name": "AI Readiness",
"value": 31,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "at_risk",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 31,
"inputs": {
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"legible_history_share": 0.58,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
"name": "Machine-readable docs (llms.txt)",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "legible_commit_history",
"name": "Legible commit history",
"detail": "58 of 100 human commits state their intent (structured subject or explanatory body)",
"points": 30.9,
"status": "partial",
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],
"description": "How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
}
],
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},
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"generated_at": "2026-07-22T01:33:57.624950Z",
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"full_name": "proper-testing/proper",
"license_state": "standard",
"license_spdx": "GPL-3.0"
}Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.
Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.26.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — Hex.