Public record
Software health reportschema 0.12.0 · metrics 2.10.0 · 2026-07-17 20:06 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★ 126 stars⑂ 264 forkssince Mar 2019View on GitHub ↗
KindLibraryhow this is determined
#particle-track-reconstruction#reconstruction#physics-experiment#simulation

acts-project/acts holds a health index of 92 out of 100, placing it in the Excellent band. It scores highest on Vitality (99/100) and lowest on Security (33/100). It was last updated today. 3 contributors account for most of its recent work.

92
overall / 100
Excellent

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.

92
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 78 is calibrated to 92 on the published index scale (record calibration 2026-08-02).

Ownership

ActsOrganization
28 followers43 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
PyPIcodegenpoints to another repo — not scored0.57.03,820231296 days agocode-generationcodebasecodebase-analysiscodebase-manipulationcodebase-transformationcodegenrefactoring
PyPIpyacts47.0.0945102 days ago—

Metrics by category

Vitality

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

99Exceptional · 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 — 1,022 commits in the last year
0/10OpenSSF Scorecard: Maintained — no data
Inputs used
commits_last_year1,022
human_commit_share—
days_since_last_push0
active_weeks_last_year51

Release discipline

100Exceptional
How it's scored
27/27Ships releases — 100 releases published
36/36Release recency — latest release 3 days ago
27/27Release cadence — a release every ~11.4 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count100
latest_release_tagv47.0.0
releases_from_tagsno
days_since_latest_release3
mean_days_between_releases11.4

Community & Adoption

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

72Good · 17% of overall

Popularity & adoption

60Moderate
How it's scored
34/60Stars — 126 stars
20.2/25Forks — 264 forks
5.3/15Watchers — 10 watchers
Inputs used
forks264
stars126
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_badges—
has_contributingyes
has_issue_templateyes
has_code_of_conductyes
readme_badge_services—
has_pull_request_templateyes

Ecosystem adoption (downloads)

50Moderate
How it's scored
39.7/80Monthly downloads — 945 downloads/month across pypi
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagespyacts
dependents—
ecosystemspypi
total_downloads—
monthly_downloads945
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?

84Excellent · 23% of overall

Maintainer resilience (bus factor)

74Good
How it's scored
36/54Bus factor — 3 contributor(s) cover half of all commits
16.8/22.5Commit distribution — top contributor authored 26% of commits
13.5/13.5Contributor breadth — 100 contributors
0/10OpenSSF Scorecard: Contributors — no data
Inputs used
bus_factor3
contributors_sampled100
top_contributor_share0.255

Issue & PR responsiveness

86Excellent
How it's scored
35.4/42Issue resolution — 84% of issues closed
26.5/30PR acceptance — 4,379/4,953 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — no data
Inputs used
merged_prs4,379
open_issues101
closed_issues537
prs_merged_7d—
prs_decided_7d—
prs_merged_30d—
prs_decided_30d—
issue_closed_ratio0.842
closed_unmerged_prs574
first_time_authors_30d—
first_time_prs_merged_30d—
first_time_prs_decided_30d—
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

81Excellent
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain — verified-domain status not read for this organization
10.5/25Owner reach — 28 followers of acts-project
24/25Track record — 43 public repos, account ~7 yr old
Inputs used
followers28
owner_typeOrganization
is_verified—
owner_loginacts-project
public_repos43
account_age_days2,683
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on pypi
35/35Publish recency — latest publish 2 days ago
20/20Version history — 10 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagespyacts
ecosystemspypi
any_deprecatedno
min_days_since_publish2

Engineering Quality

Are baseline engineering and documentation practices in place?

91Excellent · 19% of overall

Engineering practices

92Excellent
How it's scored
24/24CI workflows — 18 workflow(s)
24/24Tests present
16/16Linter config
9.6/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — no data
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?

33At Risk · 16% of overall

Security posture

33At Risk
How it's scored
0/30Security policy (SECURITY.md)
25/25Dependabot config
0/25Dependency lockfiles — published library — lockfiles are an application concern, not expected
0/20CodeQL workflow
Inputs used
sourcefile_signals
lockfilesuv.lock
manifestscodegen/pyproject.toml, codegen/requirements.txt, pyproject.toml
has_codeql_workflowno
has_security_policyno
has_dependabot_configyes
Excluded from scoring (no data or not applicable): Dependency lockfiles. Remaining weights renormalized.

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.

69Good · 4% of overall

Agent context & guidance

1Critical
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
0/40Legible commit history — no data
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share—
agent_instruction_files—
agent_instruction_max_bytes—
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.

Verify loop (build / test / typecheck)

96Exceptional
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
0/10Demonstrated agent practice — no data
5/8Automated maintenance — dependency automation configured, none observed in the sampled commits
0/10OpenSSF Scorecard: Pinned-Dependencies — no data
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_share—
toolchain_manifests—
dependency_bot_commit_share0
Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — C++ (statically typed)
54.9/55Manageable file sizes — 8/3,702 source files over 60KB
Inputs used
primary_languageC++
largest_source_bytes993,557
source_files_sampled3,702
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

126GitHub stars
100contributors
1,022commits, last 12 months
0days since last push
100releases
3bus factor
101open issues
PyPIpackage ecosystems

Data collection warnings

  • pypi package 'codegen' points at a different repository (https://github.com/codegen-sh/codegen-sdk); excluded from ecosystem scoring
  • OpenSSF Scorecard did not return a usable result (Skipping github.com/acts-project/acts: run: RepoClient.LocalPath: error during tarballHandler.setup: internal error: handler.httpClient.Do: Get "https://codeload.github.com/acts-project/acts/legacy.tar.gz/refs/heads/main": internal error: innerTransport.RoundTrip: internal error: innerTransport.RoundTrip: error in HTTP: dial tcp: lookup codeload.github.com on 127.0.0.11:53: server misbehaving); skipping Scorecard checks

More detail

Direct dependencies 2
RegistryPackageVersion constraintManifest
PyPInumpy—codegen/pyproject.toml
PyPIsympy—codegen/pyproject.toml
All dependencies 177

Full resolved dependency set from the GitHub dependency graph: 10 direct and 167 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
PyPInumpy2.5.1direct
PyPIsympy—direct
PyPIsympy1.14.0direct
PyPIaiohappyeyeballs2.7.1indirect
PyPIaiohttp3.14.1indirect
PyPIaiosignal1.4.0indirect
PyPIalabaster0.7.16indirect
PyPIannotated-doc0.0.4indirect
PyPIannotated-types0.7.0indirect
PyPIappdirs1.4.4indirect
PyPIattrs26.1.0indirect
PyPIawkward2.10.0indirect
PyPIawkward-cpp54indirect
PyPIbabel2.18.0indirect
PyPIblack25.1.0indirect
PyPIblack25.12.0indirect
PyPIblack25.9.0indirect
PyPIboost-histogram1.7.2indirect
PyPIbreathe4.36.0indirect
PyPIcertifi2026.6.17indirect
PyPIcffi2.0.0indirect
PyPIcharset-normalizer3.4.7indirect
PyPIclick8.1.8indirect
PyPIclick8.2.1indirect
PyPIclick8.3.0indirect
PyPIclick8.3.1indirect
PyPIclick8.4.2indirect
PyPIcodereport0.4.1indirect
PyPIcolorama0.4.6indirect
PyPIcontourpy1.3.0indirect
PyPIcontourpy1.3.2indirect
PyPIcontourpy1.3.3indirect
PyPIcramjam2.11.0indirect
PyPIcryptography49.0.0indirect
PyPIcut-optimiser0.1.0indirect
PyPIcycler0.12.1indirect
PyPIdetray0.1.0indirect
PyPIdetray-sympy0.1.0indirect
PyPIdocutils0.21.2indirect
PyPIexecnet2.1.2indirect
PyPIfilelock3.29.5indirect
PyPIfonttools4.55.6indirect
PyPIfonttools4.59.0indirect
PyPIfonttools4.61.1indirect
PyPIfonttools4.63.0indirect
PyPIfrozenlist1.8.0indirect
PyPIfs2.4.16indirect
PyPIfsspec2026.6.0indirect
PyPIgidgethub5.4.0indirect
PyPIgitdb4.0.12indirect
PyPIgitpython3.1.44indirect
PyPIhatchling—indirect
PyPIhist2.10.1indirect
PyPIhistoprint2.6.0indirect
PyPIidna3.18indirect
PyPIimagesize2.0.0indirect
PyPIimportlib-resources6.5.2indirect
PyPIiniconfig2.3.0indirect
PyPIjinja23.1.6indirect
PyPIkiwisolver1.4.7indirect
PyPIkiwisolver1.4.8indirect
PyPIkiwisolver1.4.9indirect
PyPIkiwisolver1.5.0indirect
PyPImarkdown-it-py3.0.0indirect
PyPImarkdown-it-py4.2.0indirect
PyPImarkupsafe3.0.3indirect
PyPImatplotlib3.10.3indirect
PyPImatplotlib3.10.8indirect
PyPImatplotlib3.11.0indirect
PyPImatplotlib3.8.4indirect
PyPImatplotlib3.9.4indirect
PyPImdit-py-plugins0.6.1indirect
PyPImdurl0.1.2indirect
PyPImplhep1.3.1indirect
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
PyPIpackaging26.2indirect
PyPIpandas2.2.2indirect
PyPIpandas2.2.3indirect
PyPIpandas2.3.1indirect
PyPIpandas2.3.2indirect
PyPIpandas2.3.3indirect
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
PyPIpyarrow24.0.0indirect
PyPIpycparser3.0indirect
PyPIpydantic2.11.7indirect
PyPIpydantic2.13.4indirect
PyPIpydantic-core2.33.2indirect
PyPIpydantic-core2.46.4indirect
PyPIpygments2.19.2indirect
PyPIpygments2.20.0indirect
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-check2.8.0indirect
PyPIpytest-repeat0.9.4indirect
PyPIpytest-timeout2.4.0indirect
PyPIpytest-xdist3.8.0indirect
PyPIpython-dateutil2.9.0.post0indirect
PyPIpython-dotenv1.2.2indirect
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
PyPIsetuptools83.0.0indirect
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
PyPItyper0.26.8indirect
PyPItyping-extensions4.12.2indirect
PyPItyping-extensions4.14.1indirect
PyPItyping-extensions4.16.0indirect
PyPItyping-inspection0.4.1indirect
PyPItyping-inspection0.4.2indirect
PyPItzdata2025.1indirect
PyPItzdata2025.2indirect
PyPItzdata2025.3indirect
PyPIuhi1.1.1indirect
PyPIuproot5.7.5indirect
PyPIuritemplate4.2.0indirect
PyPIurllib32.7.0indirect
PyPIxxhash3.8.0indirect
PyPIyarl1.24.2indirect
PyPIzipp3.21.0indirect
Raw JSON report machine-readable

Feedback

Spotted something off in this report, or have thoughts to share? Wrong measurements, missed tooling, ideas, questions — anything is welcome. Every message is read and gets a response.

The message is kept through sign-in.

Related records

Inspected repositories sharing catalogue tags or ecosystems with acts-project/acts. Read them side by side →

99quantumlib/CirqPython framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.Exceptional98nautechsystems/nautilus_traderProduction-grade Rust-native trading engine with deterministic event-driven architectureExceptional98mesa/mesaMesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.Exceptional98ansys/pymechanicalPythonic interface to Ansys Mechanical ™Exceptional98gdsfactory/gdsfactoryA Python library for designing chips (Photonics, Analog, Quantum, MEMS), PCBs, and 3D-printable objects. We aim to make hardware design accessible, intuitive, and fun—empowering everyone to build the future.Exceptional97google-deepmind/mujocoMulti-Joint dynamics with Contact. A general purpose physics simulator.Exceptional

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 v0.12.0 — full methodology · metrics wiki.

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