Public recordModerate
Software health reportschema 0.14.0 · metrics 1.13.0 · 2026-07-18 21:25 UTC
dadhi / FastExpressionCompiler
Fast Compiler for C# Expression Trees and the lightweight LightExpression alternative. Diagnostic and code generation tools for the expressions.
dadhi/FastExpressionCompiler holds a health index of 62 out of 100, placing it in the Moderate band. It scores highest on Vitality (75/100) and lowest on AI Readiness (36/100). It was last updated 26 days ago. A single contributor accounts for most of its recent work.
62
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.
62
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
Maksim VolkauPersonal account
265 followers136 public repossince Dec 2008
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
75
Development activity
71Good
How it's scored
| 28.8/36 | Push recency — last push 26 days ago |
| 14.5/36 | Commit cadence — 21/52 weeks with commits |
| 18/18 | Commit volume — 224 commits in the last year |
| 10/10 | OpenSSF Scorecard: Maintained — 30 commit(s) and 11 issue activity found in the last 90 days -- score normalized to 10 |
Inputs used
| commits_last_year | 224 |
| human_commit_share | — |
| days_since_last_push | 26 |
| active_weeks_last_year | 21 |
Release discipline
81Good
How it's scored
| 27/27 | Ships releases — 37 releases published |
| 27/36 | Release recency — latest release 96 days ago |
| 27/27 | Release cadence — a release every ~42.6 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases. |
Inputs used
| releases_count | 37 |
| latest_release_tag | v5.4.1 |
| releases_from_tags | no |
| days_since_latest_release | 96 |
| mean_days_between_releases | 42.6 |
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
64
Popularity & adoption
76Good
How it's scored
| 50.9/60 | Stars — 1,370 stars |
| 16.4/25 | Forks — 94 forks |
| 8.4/15 | Watchers — 34 watchers |
Inputs used
| forks | 94 |
| stars | 1,370 |
| watchers | 34 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
50Moderate
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (MIT) |
| 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 | yes |
| 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)
35At risk
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 2.4/22.5 | Commit distribution — top contributor authored 89% of commits |
| 13.5/13.5 | Contributor breadth — 25 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 13 contributing companies or organizations |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 25 |
| top_contributor_share | 0.892 |
How it's scored
| 44.1/46.8 | Issue resolution — 94% of issues closed |
| 29.2/38.3 | PR acceptance — 120/157 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 0/2 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 120 |
| open_issues | 21 |
| closed_issues | 354 |
| issue_closed_ratio | 0.944 |
| closed_unmerged_prs | 37 |
Ownership & stewardship
66Moderate
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 17.4/25 | Owner reach — 265 followers of dadhi |
| 25/25 | Track record — 136 public repos, account ~17 yr old |
Inputs used
| followers | 265 |
| owner_type | User |
| is_verified | — |
| owner_login | dadhi |
| public_repos | 136 |
| account_age_days | 6,429 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Engineering Quality
Are baseline engineering and documentation practices in place?
68
Engineering practices
74Good
How it's scored
| 24/24 | CI workflows — 2 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 6.4/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 6 out of 6 merged PRs checked by a CI test -- score normalized to 10 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | yes |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
60Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 10/10 | Topics — 10 topics |
| 10/10 | Wiki |
Inputs used
| topics | expression-tree, dryioc, delegate, il-optimizations, closure, performance, benchmark, compiler, delegates, code-generation |
| 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?
42
Security posture
42At risk
How it's scored
| 6.8/7.5 | Binary-Artifacts — binaries present in source code |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 2.5/2.5 | CI-Tests — 6 out of 6 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 0/2 approved changesets -- score normalized to 0 |
| 2.5/2.5 | Contributors — project has 13 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 |
| 2.5/2.5 | License — license file detected |
| 7.5/7.5 | Maintained — 30 commit(s) and 11 issue activity found in the last 90 days -- score normalized to 10 |
| 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 — Project has not signed or included provenance with any releases. |
| 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 | 18 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 0 |
| scorecard_aggregate | 4.2 |
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.
36
Agent context & guidance
1Critical
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 0/40 | Legible commit history — no data |
Inputs used
| has_llms_txt | no |
| legible_history_share | — |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.
How it's scored
| 0/18 | One-command bootstrap |
| 22/22 | 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 data |
| 0/8 | Automated maintenance — no data |
| 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 | — |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | — |
| toolchain_manifests | — |
| dependency_bot_commit_share | — |
Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.
Code legibility for models
98Excellent
How it's scored
| 45/45 | Type-checkable code — C# (statically typed) |
| 53.1/55 | Manageable file sizes — 7/201 source files over 60KB |
Inputs used
| primary_language | C# |
| largest_source_bytes | 692,219 |
| source_files_sampled | 201 |
| oversized_source_files | 7 |
Key facts
1,370GitHub stars
25contributors
224commits, last 12 months
26days since last push
37releases
1bus factor
21open issues
—package ecosystems
More detail
OpenSSF Scorecard 4.2 / 10
4.2aggregate
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).
| 9 | Binary-Artifacts | binaries present in source code |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 10 | CI-Tests | 6 out of 6 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 0/2 approved changesets -- score normalized to 0 |
| 10 | Contributors | project has 13 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 |
| 10 | License | license file detected |
| 10 | Maintained | 30 commit(s) and 11 issue activity found in the last 90 days -- score normalized to 10 |
| 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 |
| 0 | Signed-Releases | Project has not signed or included provenance with any releases. |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
All dependencies 13
Full resolved dependency set from the GitHub dependency graph: 0 direct and 13 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| NuGet | BenchmarkDotNet | 0.15.0 | indirect |
| NuGet | BenchmarkDotNet.Diagnostics.Windows | 0.15.0 | indirect |
| NuGet | CsCheck | 4.6.2 | indirect |
| NuGet | Mapster | 7.4.0 | indirect |
| NuGet | Mapster | 7.4.1-pre01 | indirect |
| NuGet | NETStandard.Library | 1.6.1 | indirect |
| NuGet | NUnit | 3.14.0 | indirect |
| NuGet | System.Dynamic.Runtime | 4.3.0 | indirect |
| NuGet | System.Linq.Dynamic.Core | 1.6.1 | indirect |
| NuGet | System.Reflection.Emit | 4.7.0 | indirect |
| NuGet | System.Reflection.Emit.Lightweight | 4.3.0 | indirect |
| NuGet | System.Reflection.Emit.Lightweight | 4.7.0 | indirect |
| NuGet | System.ValueTuple | 4.5.0 | indirect |
Raw JSON report machine-readable
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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."
}
],
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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 v0.14.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics.