Public recordCritical
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-23 16:04 UTC
trezor / trezor-mcu
:lock: Don't use this repo, use the new monorepo instead:
trezor/trezor-mcu holds a health index of 17 out of 100, placing it in the Critical band. It scores highest on Community & Adoption (67/100) and lowest on Vitality (17/100). The repository is archived, so no further maintenance is expected.
17
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.
17
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.
Abandonment Policy applies a 40% multiplier to weighted overall health and gives it a ceiling of 29.
Ownership
TrezorOrganization
1,245 followers67 public repossince Apr 2013
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?
17
Development activity
1Critical
Abandonment alert
Work has arrived and nobody has attended to it
archived on GitHub by its maintainersOverall rating: Critical ceiling
Silence alone is never the finding — a small, finished library may need no commits for years. This alert requires both: no human commit for a long time, and obligations the project is visibly not discharging. Automated commits do not count as maintenance.
How abandonment is assessedHow it's scored
| 0/36 | Push recency — last push 2,661 days ago |
| 0/36 | Commit cadence — 0/52 weeks with commits |
| 0/18 | Commit volume — 0 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — project is archived |
Inputs used
| commits_last_year | 0 |
| human_commit_share | 1 |
| days_since_last_push | 2,661 |
| active_weeks_last_year | 0 |
Release discipline
40At risk
How it's scored
| 16.2/27 | Ships releases — 26 version tags (no GitHub releases) |
| 0/36 | Release recency — latest release 2,705 days ago |
| 19.8/27 | Release cadence — a release every ~61.9 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 26 |
| latest_release_tag | v1.8.0 |
| releases_from_tags | yes |
| days_since_latest_release | 2,705 |
| mean_days_between_releases | 61.9 |
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?
67
Popularity & adoption
64Moderate
How it's scored
| 40.4/60 | Stars — 312 stars |
| 20/25 | Forks — 249 forks |
| 3.9/15 | Watchers — 6 watchers |
Inputs used
| forks | 249 |
| stars | 312 |
| watchers | 6 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
70Good
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (LGPL-3.0) |
| 18/18 | 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 | yes |
| 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?
62
Maintainer resilience (bus factor)
41At risk
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 8.4/22.5 | Commit distribution — top contributor authored 63% of commits |
| 13.5/13.5 | Contributor breadth — 33 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 25 contributing companies or organizations |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 33 |
| top_contributor_share | 0.628 |
How it's scored
| 46.8/46.8 | Issue resolution — 100% of issues closed |
| 26.4/38.3 | PR acceptance — 177/256 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 2/25 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 177 |
| open_issues | 0 |
| closed_issues | 202 |
| issue_closed_ratio | 1 |
| closed_unmerged_prs | 79 |
Ownership & stewardship
77Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 22.3/25 | Owner reach — 1,245 followers of trezor |
| 25/25 | Track record — 67 public repos, account ~13 yr old |
Inputs used
| followers | 1,245 |
| owner_type | Organization |
| is_verified | — |
| owner_login | trezor |
| public_repos | 67 |
| account_age_days | 4,849 |
Engineering Quality
Are baseline engineering and documentation practices in place?
27
Engineering practices
1Critical
How it's scored
| 0/24 | CI workflows |
| 0/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 0/20 | OpenSSF Scorecard: CI-Tests — 0 out of 3 merged PRs checked by a CI test -- score normalized to 0 |
Inputs used
| has_ci | no |
| has_tests | no |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
65Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 15/15 | Documentation / homepage site — https://github.com/trezor/trezor-firmware |
| 10/10 | Repository description |
| 10/10 | Topics — 7 topics |
| 0/10 | Wiki |
Inputs used
| topics | bitcoin, trezor, hardware, wallet, open-source, embedded, arm |
| has_wiki | no |
| homepage | https://github.com/trezor/trezor-firmware |
| 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?
41
Security posture
26Critical
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — no data |
| 0/2.5 | CI-Tests — 0 out of 3 merged PRs checked by a CI test -- score normalized to 0 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 2/25 approved changesets -- score normalized to 0 |
| 2.5/2.5 | Contributors — project has 25 contributing companies or organizations |
| 0/10 | Dangerous-Workflow — no data |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | License — license file detected |
| 0/7.5 | Maintained — project is archived |
| 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 |
| 5/5 | Security-Policy — security policy file detected |
| 0/7.5 | Signed-Releases — no data |
| 0/7.5 | Token-Permissions — no data |
| 0/7.5 | Vulnerabilities — 35 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 13 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 5 |
| scorecard_aggregate | 2.6 |
Excluded from scoring (no data or not applicable): branch_protection, dangerous_workflow, packaging, signed_releases, token_permissions. Remaining weights renormalized.
Dependency advisories
100Excellent
How it's scored
| 35/35 | Direct dependencies free of known advisories — no direct dependency carries a known advisory |
| 0/25 | Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope |
| 0/40 | No advisories left outstanding — no advisory carries a publication date |
Inputs used
| source | osv |
| advisories | 67 |
| affected_packages | 10 |
| assessed_packages | 25 |
| unassessed_packages | 1 |
| affected_by_severity | critical 1, high 8, moderate 1 |
| direct_affected_packages | 0 |
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 25 resolved dependencies against OSV. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.
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.
49
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 — 76 of 100 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.76 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
How it's scored
| 18/18 | One-command bootstrap — Makefile, bootloader/Makefile, demo/Makefile, emulator/Makefile, firmware/Makefile, firmware/protob/Makefile, gen/Makefile |
| 0/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — C (statically typed) |
| 10/10 | Reproducible environment — Dockerfile, Nix, lockfile |
| 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 | yes |
| has_tests | no |
| lockfiles | Pipfile.lock |
| has_dockerfile | yes |
| typed_language | yes |
| bootstrap_files | Makefile, bootloader/Makefile, demo/Makefile, emulator/Makefile, firmware/Makefile, firmware/protob/Makefile, gen/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
100Excellent
How it's scored
| 45/45 | Type-checkable code — C (statically typed) |
| 55/55 | Manageable file sizes — 0/129 source files over 60KB |
Inputs used
| primary_language | C |
| largest_source_bytes | 59,319 |
| source_files_sampled | 129 |
| oversized_source_files | 0 |
Machine-readable interfaces
40At risk
How it's scored
| 40/40 | API schema (OpenAPI/GraphQL/proto) — firmware/protob/messages-bitcoin.proto, firmware/protob/messages-common.proto, firmware/protob/messages-crypto.proto, firmware/protob/messages-debug.proto, firmware/protob/messages-ethereum.proto, firmware/protob/messages-lisk.proto, firmware/protob/messages-management.proto, firmware/protob/messages-nem.proto, firmware/protob/messages-stellar.proto, firmware/protob/messages.proto |
| 0/20 | MCP server |
| 0/40 | Runnable examples |
Inputs used
| example_dirs | — |
| has_mcp_signal | no |
| api_schema_files | firmware/protob/messages-bitcoin.proto, firmware/protob/messages-common.proto, firmware/protob/messages-crypto.proto, firmware/protob/messages-debug.proto, firmware/protob/messages-ethereum.proto, firmware/protob/messages-lisk.proto, firmware/protob/messages-management.proto, firmware/protob/messages-nem.proto, firmware/protob/messages-stellar.proto, firmware/protob/messages.proto |
Key facts
312GitHub stars
33contributors
0commits, last 12 months
2,661days since last push
26releases
1bus factor
0open issues
PyPIpackage ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 249 ⇿
0Stars
249Forks
22Releases
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 6Patch 16
Each point covers 10 days.
OpenSSF Scorecard 2.6 / 10
2.6aggregate
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 |
| n/a | Branch-Protection | internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md |
| 0 | CI-Tests | 0 out of 3 merged PRs checked by a CI test -- score normalized to 0 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 2/25 approved changesets -- score normalized to 0 |
| 10 | Contributors | project has 25 contributing companies or organizations |
| n/a | Dangerous-Workflow | no workflows found |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 0 | Maintained | project is archived |
| 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 |
| 10 | Security-Policy | security policy file detected |
| n/a | Signed-Releases | no releases found |
| n/a | Token-Permissions | No tokens found |
| 0 | Vulnerabilities | 35 existing vulnerabilities detected |
All dependencies 26
Full resolved dependency set from the GitHub dependency graph: 0 direct and 26 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| PyPI | atomicwrites | 1.1.5 | indirect |
| PyPI | attrs | 18.1.0 | indirect |
| PyPI | certifi | 2018.4.16 | indirect |
| PyPI | chardet | 3.0.4 | indirect |
| PyPI | click | 6.7 | indirect |
| PyPI | ecdsa | 0.13 | indirect |
| PyPI | idna | 2.7 | indirect |
| PyPI | libusb1 | 1.6.5 | indirect |
| PyPI | mako | 1.0.7 | indirect |
| PyPI | markupsafe | 1.0 | indirect |
| PyPI | mnemonic | 0.18 | indirect |
| PyPI | mock | 2.0.0 | indirect |
| PyPI | more-itertools | 4.2.0 | indirect |
| PyPI | munch | 2.3.2 | indirect |
| PyPI | pbkdf2 | 1.3 | indirect |
| PyPI | pbr | 4.2.0 | indirect |
| PyPI | pluggy | 0.7.1 | indirect |
| PyPI | protobuf | 3.4.0 | indirect |
| PyPI | py | 1.5.4 | indirect |
| PyPI | pyblake2 | 1.1.2 | indirect |
| PyPI | pytest | 3.6.4 | indirect |
| PyPI | requests | 2.19.1 | indirect |
| PyPI | six | 1.11.0 | indirect |
| PyPI | trezor | — | indirect |
| PyPI | typing | 3.6.4 | indirect |
| PyPI | urllib3 | 1.23 | indirect |
Dependency advisories 10
This repository publishes no package the index resolves, so its own dependency graph was assessed — 25 packages, which also include development and test pins that never ship: 10 carry known advisories, of which 0 are direct. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.
| Package | Version | Relation | Severity | Advisories | Fixed in |
|---|---|---|---|---|---|
| ecdsa | 0.13 | indirect | critical | 8 | 0.19.2 |
| certifi | 2018.4.16 | indirect | high | 5 | 2024.7.4 |
| click | 6.7 | indirect | high | 1 | 8.3.3 |
| idna | 2.7 | indirect | high | 4 | 3.15 |
| mako | 1.0.7 | indirect | high | 6 | 1.3.12 |
| protobuf | 3.4.0 | indirect | high | 7 | 6.33.5 |
| py | 1.5.4 | indirect | high | 2 | 1.10.0 |
| requests | 2.19.1 | indirect | high | 10 | 2.33.0 |
| urllib3 | 1.23 | indirect | high | 22 | 2.7.0 |
| pytest | 3.6.4 | indirect | moderate | 2 | 9.0.3 |
An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.
Raw JSON report machine-readable
{
"data": {
"repo": {
"topics": [
"bitcoin",
"trezor",
"hardware",
"wallet",
"open-source",
"embedded",
"arm"
],
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"size_kb": 2877,
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"homepage": "https://github.com/trezor/trezor-firmware",
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"Python": 18894,
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"Dockerfile": 2569
},
"pushed_at": "2019-04-10T14:58:17Z",
"created_at": "2012-11-16T11:43:26Z",
"owner_type": "Organization",
"updated_at": "2026-06-20T15:56:51Z",
"description": ":lock: Don't use this repo, use the new monorepo instead:",
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"license_spdx": "LGPL-3.0",
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},
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},
"activity": {
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{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "35 existing vulnerabilities detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "dependency_advisories",
"band": "excellent",
"name": "Dependency advisories",
"note": "Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 25 resolved dependencies against OSV; 1 could not be assessed (no resolved version, an unsupported ecosystem, or beyond the reported package list). This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"indirect_dependencies_free_of_known_advisories",
"no_advisories_left_outstanding"
]
}
},
{
"code": "weights_renormalized",
"params": {}
},
{
"code": "advisories_scope_repository",
"params": {
"assessed": 25
}
},
{
"code": "advisories_unassessed",
"params": {
"count": 1
}
},
{
"code": "advisories_repo_graph_caveat",
"params": {}
},
{
"code": "advisories_reachability",
"params": {}
}
],
"value": 100,
"inputs": {
"source": "osv",
"advisories": 67,
"affected_packages": 10,
"assessed_packages": 25,
"unassessed_packages": 1,
"affected_by_severity": "critical 1, high 8, moderate 1",
"direct_affected_packages": 0
},
"components": [
{
"key": "direct_dependencies_free_of_known_advisories",
"name": "Direct dependencies free of known advisories",
"detail": "no direct dependency carries a known advisory",
"points": 35,
"status": "met",
"details": [
{
"code": "no_direct_advisories",
"params": {}
}
],
"max_points": 35
},
{
"key": "indirect_dependencies_free_of_known_advisories",
"name": "Indirect dependencies free of known advisories",
"detail": "transitive set not separable from development and test dependencies in this scope",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_scope_not_separable",
"params": {}
}
],
"max_points": 25
},
{
"key": "no_advisories_left_outstanding",
"name": "No advisories left outstanding",
"detail": "no advisory carries a publication date",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_no_publication_date",
"params": {}
}
],
"max_points": 40
}
]
},
{
"key": "malicious_dependencies",
"band": "excellent",
"name": "Malicious dependencies",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"source": "osv",
"meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
"packages": [],
"red_flag": false,
"assessed_packages": 25,
"malicious_packages": 0,
"direct_malicious_packages": 0,
"withdrawn_malicious_packages": 0,
"installable_malicious_packages": 0
},
"components": [
{
"key": "no_dependency_reported_as_a_malicious_package",
"name": "No dependency reported as a malicious package",
"detail": "no dependency is reported as a malicious package",
"points": 100,
"status": "met",
"details": [
{
"code": "no_malicious_dependencies",
"params": {}
}
],
"max_points": 100
}
]
},
{
"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": [
"Russia",
"Iran",
"North Korea"
],
"review_only_matches": 0,
"assessed_self_published_locations": 16
},
"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": 49,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "at_risk",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 40,
"inputs": {
"has_llms_txt": false,
"legible_history_share": 0.76,
"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": "76 of 100 human commits state their intent (structured subject or explanatory body)",
"points": 40,
"status": "met",
"details": [
{
"code": "legible_history",
"params": {
"legible": 76,
"sampled": 100
}
}
],
"max_points": 40
}
]
},
{
"key": "ai_verify_loop",
"band": "at_risk",
"name": "Verify loop (build / test / typecheck)",
"note": null,
"notes": [],
"value": 39,
"inputs": {
"has_nix": true,
"has_tests": false,
"lockfiles": [
"Pipfile.lock"
],
"has_dockerfile": true,
"typed_language": true,
"bootstrap_files": [
"Makefile",
"bootloader/Makefile",
"demo/Makefile",
"emulator/Makefile",
"firmware/Makefile",
"firmware/protob/Makefile",
"gen/Makefile"
],
"has_devcontainer": false,
"has_linter_config": false,
"typecheck_configs": [],
"agent_commit_share": 0,
"toolchain_manifests": [],
"dependency_bot_commit_share": 0
},
"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": "Makefile, bootloader/Makefile, demo/Makefile, emulator/Makefile, firmware/Makefile, firmware/protob/Makefile, gen/Makefile",
"points": 18,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "Makefile, bootloader/Makefile, demo/Makefile, emulator/Makefile, firmware/Makefile, firmware/protob/Makefile, gen/Makefile"
}
}
],
"max_points": 18
},
{
"key": "automated_tests",
"name": "Automated tests",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 22
},
{
"key": "lint_format_config",
"name": "Lint / format config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 11
},
{
"key": "static_type_checking",
"name": "Static type checking",
"detail": "C (statically typed)",
"points": 11,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "C"
}
}
],
"max_points": 11
},
{
"key": "reproducible_environment",
"name": "Reproducible environment",
"detail": "Dockerfile, Nix, lockfile",
"points": 10,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "Dockerfile, Nix, lockfile"
}
}
],
"max_points": 10
},
{
"key": "demonstrated_agent_practice",
"name": "Demonstrated agent practice",
"detail": "no agent-authored commits among the last 100",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_authored_commits",
"params": {
"sampled": 100
}
}
],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "no automated dependency updates observed",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_dependency_automation",
"params": {}
}
],
"max_points": 8
},
{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
},
{
"key": "ai_code_legibility",
"band": "excellent",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"primary_language": "C",
"largest_source_bytes": 59319,
"source_files_sampled": 129,
"oversized_source_files": 0
},
"components": [
{
"key": "type_checkable_code",
"name": "Type-checkable code",
"detail": "C (statically typed)",
"points": 45,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "C"
}
}
],
"max_points": 45
},
{
"key": "manageable_file_sizes",
"name": "Manageable file sizes",
"detail": "0/129 source files over 60KB",
"points": 55,
"status": "met",
"details": [
{
"code": "oversized_source_files",
"params": {
"kb": 60,
"sampled": 129,
"oversized": 0
}
}
],
"max_points": 55
}
]
},
{
"key": "ai_interfaces",
"band": "at_risk",
"name": "Machine-readable interfaces",
"note": null,
"notes": [],
"value": 40,
"inputs": {
"example_dirs": [],
"has_mcp_signal": false,
"api_schema_files": [
"firmware/protob/messages-bitcoin.proto",
"firmware/protob/messages-common.proto",
"firmware/protob/messages-crypto.proto",
"firmware/protob/messages-debug.proto",
"firmware/protob/messages-ethereum.proto",
"firmware/protob/messages-lisk.proto",
"firmware/protob/messages-management.proto",
"firmware/protob/messages-nem.proto",
"firmware/protob/messages-stellar.proto",
"firmware/protob/messages.proto"
]
},
"components": [
{
"key": "api_schema_openapi_graphql_proto",
"name": "API schema (OpenAPI/GraphQL/proto)",
"detail": "firmware/protob/messages-bitcoin.proto, firmware/protob/messages-common.proto, firmware/protob/messages-crypto.proto, firmware/protob/messages-debug.proto, firmware/protob/messages-ethereum.proto, firmware/protob/messages-lisk.proto, firmware/protob/messages-management.proto, firmware/protob/messages-nem.proto, firmware/protob/messages-stellar.proto, firmware/protob/messages.proto",
"points": 40,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "firmware/protob/messages-bitcoin.proto, firmware/protob/messages-common.proto, firmware/protob/messages-crypto.proto, firmware/protob/messages-debug.proto, firmware/protob/messages-ethereum.proto, firmware/protob/messages-lisk.proto, firmware/protob/messages-management.proto, firmware/protob/messages-nem.proto, firmware/protob/messages-stellar.proto, firmware/protob/messages.proto"
}
}
],
"max_points": 40
},
{
"key": "mcp_server",
"name": "MCP server",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 20
},
{
"key": "runnable_examples",
"name": "Runnable examples",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 40
}
]
}
],
"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": "2026-07-23T16:04:00.941426Z",
"schema_version": "0.27.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/t/trezor/trezor-mcu.svg",
"full_name": "trezor/trezor-mcu",
"license_state": "standard",
"license_spdx": "LGPL-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 v0.27.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics.