Public recordAt risk
Software health reportschema 0.26.0 · metrics 1.13.0 · 2026-07-22 02:27 UTC
takutakahashi / nfa
network filter for agent
takutakahashi/nfa holds a health index of 49 out of 100, placing it in the At risk band. It scores highest on Vitality (71/100) and lowest on Community & Adoption (12/100). It was last updated 3 days ago. A single contributor accounts for most of its recent work.
49
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.
49
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
Takuya TAKAHASHIPersonal account
24 followers127 public repossince Apr 2018GMO Pepabo, Inc.
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish |
|---|---|---|---|---|---|
| Go | github.com/takutakahashi/nfa | v0.12.1 | - | 13 | 3 days ago |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
71
Development activity
51Moderate
How it's scored
| 36/36 | Push recency — last push 3 days ago |
| 3.5/36 | Commit cadence — 5/52 weeks with commits |
| 11.9/18 | Commit volume — 20 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — project was created within the last 90 days. Please review its contents carefully |
Inputs used
| commits_last_year | 20 |
| human_commit_share | 1 |
| days_since_last_push | 3 |
| active_weeks_last_year | 5 |
Release discipline
100Excellent
How it's scored
| 27/27 | Ships releases — 13 releases published |
| 36/36 | Release recency — latest release 3 days ago |
| 27/27 | Release cadence — a release every ~5.3 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 13 |
| latest_release_tag | v0.12.1 |
| releases_from_tags | no |
| days_since_latest_release | 3 |
| mean_days_between_releases | 5.3 |
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?
12
Popularity & adoption
1Critical
How it's scored
| 0/60 | Stars — 0 stars |
| 0/25 | Forks — 0 forks |
| 0/15 | Watchers — 0 watchers |
Inputs used
| forks | 0 |
| stars | 0 |
| watchers | 0 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
25Critical
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 |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | no |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
57
Maintainer resilience (bus factor)
20Critical
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 0/22.5 | Commit distribution — top contributor authored 100% of commits |
| 1.4/13.5 | Contributor breadth — 1 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 3 contributing companies or organizations -- score normalized to 10 |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 1 |
| top_contributor_share | 1 |
Issue & PR responsiveness
67Moderate
How it's scored
| 0/46.8 | Issue resolution — no issues or no data |
| 35.9/38.3 | PR acceptance — 15/16 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 0/19 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 15 |
| open_issues | 0 |
| closed_issues | 0 |
| issue_closed_ratio | — |
| closed_unmerged_prs | 1 |
Excluded from scoring (no data or not applicable): Issue resolution. Remaining weights renormalized.
Ownership & stewardship
56Moderate
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 10.1/25 | Owner reach — 24 followers of takutakahashi |
| 25/25 | Track record — 127 public repos, account ~8 yr old |
Inputs used
| followers | 24 |
| owner_type | User |
| is_verified | — |
| owner_login | takutakahashi |
| public_repos | 127 |
| account_age_days | 3,011 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Package maintenance
100Excellent
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on go |
| 35/35 | Publish recency — latest publish 3 days ago |
| 20/20 | Version history — 13 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | github.com/takutakahashi/nfa |
| ecosystems | go |
| any_deprecated | no |
| min_days_since_publish | 3 |
Engineering Quality
Are baseline engineering and documentation practices in place?
61
Engineering practices
68Moderate
How it's scored
| 24/24 | CI workflows — 1 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 15 out of 15 merged PRs checked by a CI test -- score normalized to 10 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| 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 |
| 0/10 | Topics |
| 10/10 | Wiki |
Inputs used
| topics | — |
| has_wiki | yes |
| 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?
36
Security posture
36At 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 |
| 2.5/2.5 | CI-Tests — 15 out of 15 merged PRs checked by a CI test -- score normalized to 10 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 0/19 approved changesets -- score normalized to 0 |
| 2.5/2.5 | Contributors — project has 3 contributing companies or organizations -- score normalized to 10 |
| 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 — project was created within the last 90 days. Please review its contents carefully |
| 5/5 | Packaging — packaging workflow detected |
| 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 | 17 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 1 |
| scorecard_aggregate | 3.6 |
Excluded from scoring (no data or not applicable): 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.
63
Agent context & guidance
40At risk
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 40/40 | Legible commit history — 19 of 20 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.95 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Verify loop (build / test / typecheck)
66Moderate
How it's scored
| 12.6/18 | One-command bootstrap — go.mod (toolchain convention, no task runner) |
| 22/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — Go (statically typed) |
| 10/10 | Reproducible environment — Dockerfile, lockfile |
| 10/10 | Demonstrated agent practice — 9 of the last 20 commits agent-authored or agent-credited |
| 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 | go.sum |
| has_dockerfile | yes |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0.45 |
| toolchain_manifests | go.mod |
| dependency_bot_commit_share | 0 |
Code legibility for models
100Excellent
How it's scored
| 45/45 | Type-checkable code — Go (statically typed) |
| 55/55 | Manageable file sizes — 0/20 source files over 60KB |
Inputs used
| primary_language | Go |
| largest_source_bytes | 10,333 |
| source_files_sampled | 20 |
| oversized_source_files | 0 |
Key facts
0GitHub stars
1contributors
20commits, last 12 months
3days since last push
13releases
1bus factor
0open issues
Gopackage ecosystems
Data collection warnings
- GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository
More detail
OpenSSF Scorecard 3.6 / 10
3.6aggregate
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 |
| 10 | CI-Tests | 15 out of 15 merged PRs checked by a CI test -- score normalized to 10 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 0/19 approved changesets -- score normalized to 0 |
| 10 | Contributors | project has 3 contributing companies or organizations -- score normalized to 10 |
| 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 | project was created within the last 90 days. Please review its contents carefully |
| 10 | Packaging | packaging workflow 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 |
Direct dependencies 2
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| Go | github.com/spf13/cobra | v1.9.1 | go.mod |
| Go | gopkg.in/yaml.v3 | v3.0.1 | go.mod |
All dependencies not collected
The resolved dependency set could not be collected for this report: GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository
Raw JSON report machine-readable
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},
{
"tag": "v0.1.0",
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"published_at": "2026-05-31T11:25:00Z"
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"body": "Co-authored-by: agentapi <agentapi@users.noreply.github.com>",
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"is_bot": false,
"headline": "Apply direct TCP IP allowlist from policy",
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"is_bot": false,
"headline": "Block IP literal traffic by default",
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"headline": "feat: add count mode for dry-run policy auditing (#6)",
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"is_bot": false,
"headline": "feat: add setup-iptables command with --apply and --output options (#5)",
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"oid": "83936b9a6df1cf5df92a70a09c4e81972f5d5396",
"body": "Track domains the proxy has allowed/denied per-request in memory and\nexpose them via GET /domains instead of the static config lists.\n\nCo-authored-by: Claude <claude@anthropic.com>\nCo-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "feat: GET /domains returns actually processed domain history (#4)",
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"body_truncated": false,
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"oid": "c4c693f47bb1b2c8a9b357552a17ba64f6361743",
"body": "Replace GET /domains/allowed and GET /domains/denied with a single\nGET /domains endpoint that returns mode, allowed, and denied lists.\n\nCo-authored-by: Claude <claude@anthropic.com>\nCo-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "feat: merge allow/deny endpoints into single GET /domains (#3)",
"author_name": "Takuya TAKAHASHI",
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"committed_at": "2026-06-01T01:26:57Z",
"body_truncated": false,
"is_coding_agent": true
},
{
"oid": "d1f5e2e69f70ea22a04bd7aad6ca022a22cac848",
"body": "Add GET /domains/allowed and GET /domains/denied endpoints to the\ncontrol server (port 3129), returning JSON arrays of configured domains.\n\nCo-authored-by: Claude <claude@anthropic.com>\nCo-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "feat: expose allow/deny domain lists via management API (#2)",
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"author_login": "takutakahashi",
"committed_at": "2026-06-01T01:19:15Z",
"body_truncated": false,
"is_coding_agent": true
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"body": "Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "ci: add workflow_dispatch trigger",
"author_name": "agentapi",
"author_login": null,
"committed_at": "2026-05-31T11:24:41Z",
"body_truncated": false,
"is_coding_agent": true
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],
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{
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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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{
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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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{
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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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},
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],
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"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/t/takutakahashi/nfa.svg",
"full_name": "takutakahashi/nfa",
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}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 — Go.