Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-10 10:29 UTC

acts-project / acts

Experiment-independent toolkit for (charged) particle track reconstruction in (high energy) physics experiments implemented in modern C++

C++MPL-2.0★ 131 stars⑂ 276 forkssince Mar 2019View on GitHub ↗
KindLibraryhow this is determined
#particle-track-reconstruction#reconstruction#physics-experiment#simulation

acts-project/acts holds a health index of 95 out of 100, placing it in the Exceptional band. It scores highest on Vitality (95/100) and lowest on Security (67/100). It was last updated today. 3 contributors account for most of its recent work.

95
overall / 100
Exceptional

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

95
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

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.

The weighted overall 82 is calibrated to 95 on the published index scale (record calibration 2026-08-02).

Ownership

ActsOrganization
30 followers44 public repossince Mar 2019

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
PyPIpyacts47.7.01,883143 days ago—
PyPIcodegenpoints to another repo — not scored0.57.01,944231350 days agocode-generationcodebasecodebase-analysiscodebase-manipulationcodebase-transformationcodegenrefactoring

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

95Exceptional · 21% of overall

Development activity

99Exceptional
How it's scored
36/36Push recency — last push 0 days ago
35.3/36Commit cadence — 51/52 weeks with commits
18/18Commit volume — 1,137 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year1,137
human_commit_share0.99
days_since_last_push0
active_weeks_last_year51

Release discipline

90Excellent
How it's scored
27/27Ships releases — 100 releases published
36/36Release recency — latest release 5 days ago
27/27Release cadence — a release every ~9.4 days
0/10OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases.
Inputs used
releases_count100
latest_release_tagv47.7.0
releases_from_tagsno
days_since_latest_release5
mean_days_between_releases9.4

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

73Good · 17% of overall

Popularity & adoption

60Moderate
How it's scored
34.3/60Stars — 131 stars
20.3/25Forks — 276 forks
5.3/15Watchers — 10 watchers
Inputs used
forks276
stars131
watchers10
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

100Exceptional
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (MPL-2.0)
18/18CONTRIBUTING guide
13.5/13.5Code of conduct
7.2/7.2Issue template
6.3/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges5
has_contributingyes
has_issue_templateyes
has_code_of_conductyes
readme_badge_servicesbadgen.net, sonarcloud.io
has_pull_request_templateyes

Ecosystem adoption (downloads)

55Moderate
How it's scored
43.7/80Monthly downloads — 1,883 downloads/month across pypi
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagespyacts
dependents—
ecosystemspypi
total_downloads—
monthly_downloads1,883
unverified_packages_excluded—
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?

81Excellent · 23% of overall

Maintainer resilience (bus factor)

76Good
How it's scored
36/54Bus factor — 3 contributor(s) cover half of all commits
16.7/22.5Commit distribution — top contributor authored 26% of commits
13.5/13.5Contributor breadth — 98 contributors
10/10OpenSSF Scorecard: Contributors — project has 8 contributing companies or organizations
Inputs used
bus_factor3
contributors_sampled98
top_contributor_share0.259

Issue & PR responsiveness

88Excellent
How it's scored
35.1/42Issue resolution — 84% of issues closed
26.5/30PR acceptance — 4,644/5,257 decided PRs merged
13/13Newcomer PR acceptance — 4/4 first-time contributors' PRs merged in 30d
13.5/15OpenSSF Scorecard: Code-Review — Found 28/29 approved changesets -- score normalized to 9
Inputs used
merged_prs4,644
open_issues107
closed_issues540
prs_merged_7d34
prs_decided_7d40
prs_merged_30d51
prs_decided_30d59
issue_closed_ratio0.835
closed_unmerged_prs613
first_time_authors_30d3
first_time_prs_merged_30d4
first_time_prs_decided_30d4

Ownership & stewardship

65Good
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
10.7/25Owner reach — 30 followers of acts-project
24/25Track record — 44 public repos, account ~7 yr old
Inputs used
followers30
owner_typeOrganization
is_verifiedno
owner_loginacts-project
public_repos44
account_age_days2,738

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on pypi
35/35Publish recency — latest publish 3 days ago
20/20Version history — 14 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagespyacts
ecosystemspypi
any_deprecatedno
min_days_since_publish3

Engineering Quality

Are baseline engineering and documentation practices in place?

92Excellent · 19% of overall

Engineering practices

94Exceptional
How it's scored
24/24CI workflows — 20 workflow(s)
24/24Tests present
16/16Linter config
9.6/9.6Pre-commit hooks
0/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests — 30 out of 30 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configyes

Documentation

90Excellent
How it's scored
30/30README
25/25Documentation directory
15/15Documentation / homepage site — https://acts-project.github.io
10/10Repository description
10/10Topics — 4 topics
0/10Wiki
Inputs used
topicsparticle-track-reconstruction, reconstruction, physics-experiment, simulation
has_wikino
homepagehttps://acts-project.github.io
docs_sitehttps://acts-project.github.io
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

67Good · 16% of overall

Security posture

59Moderate
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
2.2/7.5Branch-Protection — branch protection is not maximal on development and all release branches
2.5/2.5CI-Tests — 30 out of 30 merged PRs checked by a CI test -- score normalized to 10
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
6.8/7.5Code-Review — Found 28/29 approved changesets -- score normalized to 9
2.5/2.5Contributors — project has 8 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
4/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 8
4/5SAST — SAST tool is not run on all commits -- score normalized to 8
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — Project has not signed or included provenance with any releases.
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
0/7.5Vulnerabilities — 52 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated18
scorecard_versionv5.5.0
checks_inconclusive0
scorecard_aggregate5.9

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories166
affected_packages15
assessed_packages178
unassessed_packages3
affected_by_severitycritical 7, high 4, moderate 3, low 1
direct_affected_packages0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 178 resolved dependencies against OSV. 3 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? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

80Excellent · 4% of overall

Agent context & guidance

40Weak
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 99 of 99 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share1
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

95Exceptional
How it's scored
18/18One-command bootstrap — Traccc/extras/root_to_csv/Makefile
22/22Automated tests
11/11Lint / format config
11/11Static type checking — C++ (statically typed)
10/10Reproducible environment — devcontainer, Dockerfile, lockfile
10/10Demonstrated agent practice — 52 of the last 100 commits agent-authored or agent-credited
5/8Automated maintenance — dependency automation configured, none observed in the sampled commits
8/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 8
Inputs used
has_nixno
has_testsyes
lockfilesuv.lock
has_dockerfileyes
typed_languageyes
bootstrap_filesTraccc/extras/root_to_csv/Makefile
has_devcontaineryes
has_linter_configyes
typecheck_configs—
agent_commit_share0.52
toolchain_manifests—
dependency_bot_commit_share0

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — C++ (statically typed)
54.9/55Manageable file sizes — 8/3,845 source files over 60KB
Inputs used
primary_languageC++
largest_source_bytes993,557
source_files_sampled3,845
oversized_source_files8

Machine-readable interfaces

100Exceptional
How it's scored
0/40API schema (OpenAPI/GraphQL/proto) — not applicable to this kind of software
0/20MCP server — not applicable to this kind of software
40/40Runnable examples — examples, notebooks
Inputs used
example_dirsexamples, notebooks
has_mcp_signalno
api_schema_files—
interfaces_expected_of—
Excluded from scoring (no data or not applicable): API schema (OpenAPI/GraphQL/proto), MCP server. Remaining weights renormalized.

Key facts

131GitHub stars
98contributors
1,137commits, last 12 months
0days since last push
100releases
3bus factor
107open issues
PyPIpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
  • First-time contributor figures cover 12 of 18 authors (cap 12)
  • pypi package 'codegen' points at a different repository (https://github.com/codegen-sh/codegen-sdk); excluded from ecosystem scoring

More detail

Star and fork history 0 ★ / 276 ⇿
0Stars
276Forks
99Releases

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.

05010015020025024862019-032022-122026-09
Major 24Minor 56Patch 19

Each point covers 7 days.

OpenSSF Scorecard 5.9 / 10
5.9aggregate

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).Scorecard v5.5.0 · 2026-09-10 10:28 UTC

10Binary-Artifactsno binaries found in the repo
3Branch-Protectionbranch protection is not maximal on development and all release branches
10CI-Tests30 out of 30 merged PRs checked by a CI test -- score normalized to 10
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
9Code-ReviewFound 28/29 approved changesets -- score normalized to 9
10Contributorsproject has 8 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
8Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 8
8SASTSAST tool is not run on all commits -- score normalized to 8
0Security-Policysecurity policy file not detected
0Signed-ReleasesProject has not signed or included provenance with any releases.
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
0Vulnerabilities52 existing vulnerabilities detected
Direct dependencies 2
RegistryPackageVersion constraintManifest
PyPInumpy—codegen/pyproject.toml
PyPIsympy—codegen/pyproject.toml
All dependencies 181

Full resolved dependency set from the GitHub dependency graph: 10 direct and 171 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
PyPInumpy—direct
PyPInumpy2.0.0direct
PyPInumpy2.0.2direct
PyPInumpy2.3.1direct
PyPInumpy2.3.2direct
PyPInumpy2.3.3direct
PyPInumpy2.4.1direct
PyPInumpy2.5.2direct
PyPIsympy—direct
PyPIsympy1.14.0direct
PyPIaiohappyeyeballs2.7.1indirect
PyPIaiohttp3.14.3indirect
PyPIaiosignal1.4.0indirect
PyPIalabaster0.7.16indirect
PyPIannotated-doc0.0.5indirect
PyPIannotated-types0.7.0indirect
PyPIannotated-types0.8.0indirect
PyPIappdirs1.4.4indirect
PyPIattrs26.1.0indirect
PyPIawkward2.13.0indirect
PyPIawkward-cpp56indirect
PyPIbabel2.18.0indirect
PyPIblack25.1.0indirect
PyPIblack25.12.0indirect
PyPIblack25.9.0indirect
PyPIboost-histogram1.7.2indirect
PyPIbreathe4.36.0indirect
PyPIcertifi2026.7.22indirect
PyPIcffi2.1.1indirect
PyPIcharset-normalizer3.5.1indirect
PyPIclick8.1.8indirect
PyPIclick8.2.1indirect
PyPIclick8.3.0indirect
PyPIclick8.3.1indirect
PyPIclick8.5.0indirect
PyPIcodereport0.4.1indirect
PyPIcolorama0.4.6indirect
PyPIcontourpy1.3.0indirect
PyPIcontourpy1.3.2indirect
PyPIcontourpy1.3.3indirect
PyPIcramjam2.12.1indirect
PyPIcryptography50.0.1indirect
PyPIcut-optimiser0.1.0indirect
PyPIcycler0.12.1indirect
PyPIdetray0.1.0indirect
PyPIdetray-sympy0.1.0indirect
PyPIdocutils0.21.2indirect
PyPIexecnet2.1.2indirect
PyPIfilelock3.32.5indirect
PyPIfonttools4.55.6indirect
PyPIfonttools4.59.0indirect
PyPIfonttools4.61.1indirect
PyPIfonttools4.64.0indirect
PyPIfrozenlist1.8.0indirect
PyPIfs2.4.16indirect
PyPIfsspec2026.7.0indirect
PyPIgidgethub5.4.0indirect
PyPIgitdb4.0.12indirect
PyPIgitpython3.1.44indirect
PyPIhatchling—indirect
PyPIhist2.11.0indirect
PyPIhistoprint2.7.1indirect
PyPIidna3.19indirect
PyPIimagesize2.0.1indirect
PyPIimportlib-resources6.5.2indirect
PyPIiniconfig2.3.0indirect
PyPIjinja23.1.6indirect
PyPIkiwisolver1.4.7indirect
PyPIkiwisolver1.4.8indirect
PyPIkiwisolver1.4.9indirect
PyPIkiwisolver1.5.1indirect
PyPImarkdown-it-py3.0.0indirect
PyPImarkdown-it-py4.2.0indirect
PyPImarkupsafe3.0.3indirect
PyPImatplotlib3.10.3indirect
PyPImatplotlib3.10.8indirect
PyPImatplotlib3.11.1indirect
PyPImatplotlib3.8.4indirect
PyPImatplotlib3.9.4indirect
PyPImdit-py-plugins0.6.1indirect
PyPImdurl0.1.2indirect
PyPImplhep1.3.3indirect
PyPImplhep-data0.1.0indirect
PyPImpmath1.3.0indirect
PyPImultidict6.7.1indirect
PyPImypy-extensions1.0.0indirect
PyPImypy-extensions1.1.0indirect
PyPImyst-parser4.0.1indirect
PyPIpackaging24.2indirect
PyPIpackaging25.0indirect
PyPIpackaging26.3indirect
PyPIpandas2.2.2indirect
PyPIpandas2.2.3indirect
PyPIpandas2.3.1indirect
PyPIpandas2.3.2indirect
PyPIpandas2.3.3indirect
PyPIpandas3.0.5indirect
PyPIpathspec0.12.1indirect
PyPIpathspec1.0.3indirect
PyPIpillow11.1.0indirect
PyPIpillow11.3.0indirect
PyPIpillow12.1.0indirect
PyPIpillow12.3.0indirect
PyPIplatformdirs4.3.6indirect
PyPIplatformdirs4.3.8indirect
PyPIplatformdirs4.5.0indirect
PyPIplatformdirs4.5.1indirect
PyPIpluggy1.6.0indirect
PyPIpropcache0.5.2indirect
PyPIpyarrow25.0.1indirect
PyPIpycparser3.0indirect
PyPIpydantic2.11.7indirect
PyPIpydantic2.13.5indirect
PyPIpydantic-core2.33.2indirect
PyPIpydantic-core2.46.5indirect
PyPIpygments2.19.2indirect
PyPIpygments2.21.0indirect
PyPIpyhepmc2.16.1indirect
PyPIpyjwt2.13.0indirect
PyPIpyparsing3.2.1indirect
PyPIpyparsing3.2.3indirect
PyPIpyparsing3.3.1indirect
PyPIpyparsing3.3.2indirect
PyPIpyqt55.15.10indirect
PyPIpyqt5-sip12.13.0indirect
PyPIpytest9.0.2indirect
PyPIpytest9.1.1indirect
PyPIpytest-check2.9.1indirect
PyPIpytest-repeat0.9.4indirect
PyPIpytest-timeout2.4.0indirect
PyPIpytest-xdist3.8.0indirect
PyPIpython-dateutil2.9.0.post0indirect
PyPIpython-dotenv1.2.3indirect
PyPIpython-slugify6.1.2indirect
PyPIpytokens0.2.0indirect
PyPIpytokens0.3.0indirect
PyPIpytz2024.2indirect
PyPIpytz2025.2indirect
PyPIpyyaml6.0.3indirect
PyPIrequests2.34.2indirect
PyPIrich15.0.0indirect
PyPIscipy1.13.1indirect
PyPIscipy1.17.0indirect
PyPIscipy1.18.1indirect
PyPIsetuptools84.0.0indirect
PyPIshellingham1.5.4indirect
PyPIsix1.17.0indirect
PyPIsmmap5.0.2indirect
PyPIsnowballstemmer3.1.1indirect
PyPIsphinx7.3.7indirect
PyPIsphinx-rtd-theme3.1.0indirect
PyPIsphinxcontrib-applehelp2.0.0indirect
PyPIsphinxcontrib-devhelp2.0.0indirect
PyPIsphinxcontrib-htmlhelp2.1.0indirect
PyPIsphinxcontrib-jquery4.1indirect
PyPIsphinxcontrib-jsmath1.0.1indirect
PyPIsphinxcontrib-qthelp2.0.0indirect
PyPIsphinxcontrib-serializinghtml2.0.0indirect
PyPItext-unidecode1.3indirect
PyPItoml0.10.2indirect
PyPItomli2.2.1indirect
PyPItraccc-bench-tools0.0.1indirect
PyPItraccc-event-trimmer0.1.0indirect
PyPItraccc-physics-plots0.1.0indirect
PyPItyper0.27.2indirect
PyPItyping-extensions4.12.2indirect
PyPItyping-extensions4.14.1indirect
PyPItyping-extensions4.16.0indirect
PyPItyping-inspection0.4.1indirect
PyPItyping-inspection0.4.4indirect
PyPItzdata2025.1indirect
PyPItzdata2025.2indirect
PyPItzdata2025.3indirect
PyPItzdata2026.3indirect
PyPIuhi1.1.1indirect
PyPIuproot5.7.6indirect
PyPIuritemplate4.2.0indirect
PyPIurllib32.7.0indirect
PyPIxxhash4.0.1indirect
PyPIyarl1.24.5indirect
PyPIzipp3.21.0indirect
Dependency advisories 15

This repository publishes no package the index resolves, so its own dependency graph was assessed — 178 packages, which also include development and test pins that never ship: 15 carry known advisories, of which 0 are direct. 3 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.

PackageVersionRelationSeverityAdvisoriesFixed in
black25.1.0indirectcritical326.3.1
black25.12.0indirectcritical326.3.1
black25.9.0indirectcritical326.3.1
gitpython3.1.44indirectcritical373.1.59
pillow11.1.0indirectcritical3412.3.0
pillow11.3.0indirectcritical3612.3.0
pillow12.1.0indirectcritical3812.3.0
click8.1.8indirecthigh18.3.3
click8.2.1indirecthigh18.3.3
click8.3.0indirecthigh18.3.3
click8.3.1indirecthigh18.3.3
fonttools4.55.6indirectmoderate24.60.2
fonttools4.59.0indirectmoderate24.60.2
pytest9.0.2indirectmoderate29.0.3
pygments2.19.2indirectlow22.20.0

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

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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 v2.10.0, schema v0.34.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics — PyPI.