Public recordAt risk
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-24 19:58 UTC
adafruit / Adafruit_MPR121
Arduino library for the MPR121-based capacitive sensors in the Adafruit shop
adafruit/Adafruit_MPR121 holds a health index of 46 out of 100, placing it in the At risk band. It scores highest on Sustainability & Governance (76/100) and lowest on AI Readiness (30/100). It was last updated 234 days ago. 4 contributors account for most of its recent work.
46
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.
46
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
Adafruit IndustriesOrganization
3,682 followers1,995 public repossince Jan 2010
This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
31
Development activity
10Critical
How it's scored
| 3.6/36 | Push recency — last push 234 days ago |
| 1.4/36 | Commit cadence — 2/52 weeks with commits |
| 5.4/18 | Commit volume — 3 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
Inputs used
| commits_last_year | 3 |
| human_commit_share | 1 |
| days_since_last_push | 234 |
| active_weeks_last_year | 2 |
Release discipline
62Moderate
How it's scored
| 27/27 | Ships releases — 11 releases published |
| 16.2/36 | Release recency — latest release 234 days ago |
| 12.6/27 | Release cadence — a release every ~291 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 11 |
| latest_release_tag | 1.2.1 |
| releases_from_tags | no |
| days_since_latest_release | 234 |
| mean_days_between_releases | 291 |
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?
48
Popularity & adoption
55Moderate
How it's scored
| 32.3/60 | Stars — 99 stars |
| 15.6/25 | Forks — 75 forks |
| 7.1/15 | Watchers — 20 watchers |
Inputs used
| forks | 75 |
| stars | 99 |
| watchers | 20 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
40At risk
How it's scored
| 22.5/22.5 | README |
| 0/22.5 | License — no license file detected |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 7.2/7.2 | Issue template |
| 6.3/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | no |
| has_contributing | no |
| has_issue_template | yes |
| has_code_of_conduct | no |
| has_pull_request_template | yes |
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
76
How it's scored
| 43.2/54 | Bus factor — 4 contributor(s) cover half of all commits |
| 17.7/22.5 | Commit distribution — top contributor authored 21% of commits |
| 13.5/13.5 | Contributor breadth — 17 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 4 contributing companies or organizations |
Inputs used
| bus_factor | 4 |
| contributors_sampled | 17 |
| top_contributor_share | 0.212 |
Issue & PR responsiveness
63Moderate
How it's scored
| 34.5/46.8 | Issue resolution — 74% of issues closed |
| 24.1/38.3 | PR acceptance — 17/27 decided PRs merged |
| 4.5/15 | OpenSSF Scorecard: Code-Review — Found 5/16 approved changesets -- score normalized to 3 |
Inputs used
| merged_prs | 17 |
| open_issues | 5 |
| closed_issues | 14 |
| issue_closed_ratio | 0.737 |
| closed_unmerged_prs | 10 |
Ownership & stewardship
80Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 25/25 | Owner reach — 3,682 followers of adafruit |
| 25/25 | Track record — 1,995 public repos, account ~16 yr old |
Inputs used
| followers | 3,682 |
| owner_type | Organization |
| is_verified | — |
| owner_login | adafruit |
| public_repos | 1,995 |
| account_age_days | 6,036 |
Engineering Quality
Are baseline engineering and documentation practices in place?
37
Engineering practices
28Critical
How it's scored
| 24/24 | CI workflows — 1 workflow(s) |
| 0/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 4/20 | OpenSSF Scorecard: CI-Tests — 2 out of 8 merged PRs checked by a CI test -- score normalized to 2 |
Inputs used
| has_ci | yes |
| has_tests | no |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
50Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 10/10 | Topics — 1 topics |
| 0/10 | Wiki |
Inputs used
| topics | arduino-library |
| has_wiki | no |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
33
Security posture
33At 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 |
| 0.5/2.5 | CI-Tests — 2 out of 8 merged PRs checked by a CI test -- score normalized to 2 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 2.2/7.5 | Code-Review — Found 5/16 approved changesets -- score normalized to 3 |
| 2.5/2.5 | Contributors — project has 4 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 0/2.5 | License — license file not detected |
| 0/7.5 | Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| 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 | 3.3 |
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.
30
Agent context & guidance
15Critical
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 15.3/40 | Legible commit history — 23 of 80 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.287 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Verify loop (build / test / typecheck)
11Critical
How it's scored
| 0/18 | One-command bootstrap |
| 0/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — C++ (statically typed) |
| 0/10 | Reproducible environment |
| 0/10 | Demonstrated agent practice — no agent-authored commits among the last 80 |
| 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 | no |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Code legibility for models
100Excellent
How it's scored
| 45/45 | Type-checkable code — C++ (statically typed) |
| 55/55 | Manageable file sizes — 0/2 source files over 60KB |
Inputs used
| primary_language | C++ |
| largest_source_bytes | 9,210 |
| source_files_sampled | 2 |
| oversized_source_files | 0 |
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
99GitHub stars
17contributors
3commits, last 12 months
234days since last push
11releases
4bus factor
5open issues
—package ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 75 ⇿
0Stars
75Forks
10Releases
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 1Minor 2Patch 7
Each point covers 11 days.
OpenSSF Scorecard 3.3 / 10
3.3aggregate
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 |
| 2 | CI-Tests | 2 out of 8 merged PRs checked by a CI test -- score normalized to 2 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 3 | Code-Review | Found 5/16 approved changesets -- score normalized to 3 |
| 10 | Contributors | project has 4 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 0 | License | license file not detected |
| 0 | Maintained | 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| 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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{
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{
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{
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{
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"key": "maintainer_resilience",
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{
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{
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{
"key": "openssf_scorecard_contributors",
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]
},
{
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{
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{
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]
},
{
"key": "stewardship",
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"account_age_days": 6036
},
"components": [
{
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{
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{
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{
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},
{
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],
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},
{
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"value": 37,
"weight": 0.2,
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"key": "engineering_practices",
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"note": null,
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{
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{
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{
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{
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]
},
{
"key": "documentation",
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{
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{
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{
"key": "wiki",
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}
]
}
],
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},
{
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"weight": 0.16,
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},
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}
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"scorecard_version": "v5.5.0",
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},
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"key": "dangerous_workflow",
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},
{
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{
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},
{
"key": "license",
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"points": 0,
"status": "missed",
"details": [],
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},
{
"key": "maintained",
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{
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{
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},
{
"key": "sast",
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},
{
"key": "security_policy",
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},
{
"key": "signed_releases",
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{
"key": "token_permissions",
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"status": "missed",
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},
{
"key": "vulnerabilities",
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}
]
},
{
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"notes": [
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"code": "jurisdiction_evidence_limits",
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}
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"components": [
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}
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],
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},
{
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"name": "AI Readiness",
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"weight": 0,
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{
"key": "ai_agent_context",
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},
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],
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},
{
"key": "machine_readable_docs_llms_txt",
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},
{
"key": "legible_commit_history",
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]
},
{
"key": "ai_verify_loop",
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},
{
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},
{
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{
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},
{
"key": "demonstrated_agent_practice",
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],
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{
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},
{
"key": "openssf_scorecard_pinned_dependencies",
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]
},
{
"key": "ai_code_legibility",
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},
{
"key": "manageable_file_sizes",
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}
]
},
{
"key": "ai_interfaces",
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"api_schema_files": []
},
"components": [
{
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"points": 0,
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},
{
"key": "mcp_server",
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},
{
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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."
}
],
"metrics_version": "1.13.0"
},
"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token"
],
"report_type": "repository",
"generated_at": "2026-07-24T19:58:54.907931Z",
"schema_version": "0.27.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/a/adafruit/Adafruit_MPR121.svg",
"full_name": "adafruit/Adafruit_MPR121",
"license_state": "absent",
"license_spdx": null
}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 v0.27.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics.