Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-06 22:55 UTC

antfu / magic-string-stack

magic-string with the capability of committing changes.

TypeScriptMIT★ 204 stars⑂ 5 forkssince Apr 2024View on GitHub ↗
KindLibraryhow this is determined
#magic-string#sourcemaps

antfu/magic-string-stack holds a health index of 67 out of 100, placing it in the Good band. It scores highest on Community & Adoption (72/100) and lowest on Vitality (49/100). It was last updated 37 days ago. A single contributor accounts for most of its recent work.

67
overall / 100
Good

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.

67
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 61 is calibrated to 67 on the published index scale (record calibration 2026-08-02).

Ownership

Anthony FuPersonal account
39,987 followers400 public repossince Feb 2015@vercel team @nuxt

This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmmagic-string-stack2.0.0269,046837 days agomagic-stringsourcemap

Metrics by category

Vitality

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

49Weak · 21% of overall

Development activity

26At Risk
How it's scored
18/36Push recency — last push 37 days ago
0.7/36Commit cadence — 1/52 weeks with commits
5.4/18Commit volume — 3 commits in the last year
2/10OpenSSF Scorecard: Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2
Inputs used
commits_last_year3
human_commit_share1
days_since_last_push37
active_weeks_last_year1

Release discipline

84Excellent
How it's scored
27/27Ships releases — 7 releases published
36/36Release recency — latest release 37 days ago
12.6/27Release cadence — a release every ~139.3 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count7
latest_release_tagv2.0.0
releases_from_tagsno
days_since_latest_release37
mean_days_between_releases139.3
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?

72Good · 17% of overall

Popularity & adoption

42Weak
How it's scored
37.4/60Stars — 204 stars
5/25Forks — 5 forks
0/15Watchers — 1 watchers
Inputs used
forks5
stars204
watchers1
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

92Excellent
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (MIT)
18/18CONTRIBUTING guide
13.5/13.5Code of conduct
0/7.2Issue template
6.3/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges0
has_contributingyes
has_issue_templateno
has_code_of_conductyes
readme_badge_services—
has_pull_request_templateyes

Ecosystem adoption (downloads)

91Excellent
How it's scored
72.4/80Monthly downloads — 269,046 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesmagic-string-stack
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads269,046
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?

69Good · 23% of overall

Maintainer resilience (bus factor)

30At Risk
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
3.8/22.5Commit distribution — top contributor authored 83% of commits
6.8/13.5Contributor breadth — 5 contributors
10/10OpenSSF Scorecard: Contributors — project has 31 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled5
top_contributor_share0.833

Issue & PR responsiveness

84Excellent
How it's scored
42/42Issue resolution — 100% of issues closed
30/30PR acceptance — 4/4 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
1.5/15OpenSSF Scorecard: Code-Review — Found 4/24 approved changesets -- score normalized to 1
Inputs used
merged_prs4
open_issues0
closed_issues1
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio1
closed_unmerged_prs0
first_time_authors_30d0
first_time_prs_merged_30d0
first_time_prs_decided_30d0
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

75Good
How it's scored
10/30Ownership backing — personal (user) account
0/20Verified domain — not applicable to user accounts
25/25Owner reach — 39,987 followers of antfu
25/25Track record — 400 public repos, account ~11 yr old
Inputs used
followers39,987
owner_typeUser
is_verified—
owner_loginantfu
public_repos400
account_age_days4,208
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 npm
35/35Publish recency — latest publish 37 days ago
20/20Version history — 8 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesmagic-string-stack
ecosystemsnpm
any_deprecatedno
min_days_since_publish37

Engineering Quality

Are baseline engineering and documentation practices in place?

62Moderate · 19% of overall

Engineering practices

64Moderate
How it's scored
24/24CI workflows — 2 workflow(s)
24/24Tests present
16/16Linter config — eslint.config.js
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — 0 out of 4 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

60Moderate
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
10/10Topics — 2 topics
10/10Wiki
Inputs used
topicsmagic-string, sourcemaps
has_wikiyes
homepage—
docs_site—
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

53Moderate · 16% of overall

Security posture

41Weak
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — branch protection not enabled on development/release branches
0/2.5CI-Tests — 0 out of 4 merged PRs checked by a CI test -- score normalized to 0
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0.8/7.5Code-Review — Found 4/24 approved changesets -- score normalized to 1
2.5/2.5Contributors — project has 31 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
0/7.5Dependency-Update-Tool — no update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
1.5/7.5Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2
0/5Packaging — no data
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
0/5SAST — SAST tool is not run on all commits -- score normalized to 0
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
6.8/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
6/7.5Vulnerabilities — 2 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated16
scorecard_versionv5.5.0
checks_inconclusive2
scorecard_aggregate4.1
Excluded from scoring (no data or not applicable): Packaging, Signed-Releases. Remaining weights renormalized.

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
25/25Indirect dependencies free of known advisories — no indirect dependency carries a known advisory
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories0
affected_packages0
assessed_packages6
unassessed_packages0
affected_by_severitynone
direct_affected_packages0
Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the npm:magic-string-stack@2.0.0 runtime dependency closure — what installing the published package pulls in — 6 packages. 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.

57Moderate · 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 — 24 of 24 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)

54Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — eslint.config.js
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 24
0/8Automated maintenance — no automated dependency updates observed
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilespnpm-lock.yaml
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configstsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
55/55Manageable file sizes — 0/4 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes3,814
source_files_sampled4
oversized_source_files0

Key facts

204GitHub stars
5contributors
3commits, last 12 months
37days since last push
7releases
1bus factor
0open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

More detail

Star and fork history 0 ★ / 5 ⇿
0Stars
5Forks
4Releases

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.

12345512024-042024-122025-08
Major 1Minor 1Patch 2

Each point covers 2 days.

OpenSSF Scorecard 4.1 / 10
4.1aggregate

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 · 2026-09-06 22:55 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
0CI-Tests0 out of 4 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
1Code-ReviewFound 4/24 approved changesets -- score normalized to 1
10Contributorsproject has 31 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
2Maintained3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2
n/aPackagingpackaging workflow not detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
9Token-Permissionsdetected GitHub workflow tokens with excessive permissions
8Vulnerabilities2 existing vulnerabilities detected
Direct dependencies 2
RegistryPackageVersion constraintManifest
npm@jridgewell/remapping^2.3.5package.json
npmmagic-string^1.1.0package.json
All dependencies 561

Full resolved dependency set from the GitHub dependency graph: 3 direct and 558 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npm@jridgewell/remapping2.3.5direct
npmmagic-string0.30.21direct
npmmagic-string1.1.0direct
npm@antfu/eslint-config9.2.0indirect
npm@antfu/install-pkg1.1.0indirect
npm@antfu/ni30.3.0indirect
npm@antfu/utils9.3.0indirect
npm@babel/code-frame7.29.7indirect
npm@babel/helper-string-parser7.29.7indirect
npm@babel/helper-validator-identifier7.29.7indirect
npm@babel/parser7.29.7indirect
npm@babel/types7.29.7indirect
npm@clack/core1.4.3indirect
npm@clack/prompts1.7.0indirect
npm@colordx/core5.5.0indirect
npm@e18e/eslint-plugin0.5.1indirect
npm@emnapi/core2.0.0-alpha.3indirect
npm@emnapi/runtime2.0.0-alpha.3indirect
npm@emnapi/wasi-threads2.0.1indirect
npm@es-joy/jsdoccomment0.88.0indirect
npm@es-joy/jsdoccomment0.91.0indirect
npm@es-joy/resolve.exports1.2.0indirect
npm@esbuild/aix-ppc640.25.12indirect
npm@esbuild/aix-ppc640.28.1indirect
npm@esbuild/android-arm0.25.12indirect
npm@esbuild/android-arm0.28.1indirect
npm@esbuild/android-arm640.25.12indirect
npm@esbuild/android-arm640.28.1indirect
npm@esbuild/android-x640.25.12indirect
npm@esbuild/android-x640.28.1indirect
npm@esbuild/darwin-arm640.25.12indirect
npm@esbuild/darwin-arm640.28.1indirect
npm@esbuild/darwin-x640.25.12indirect
npm@esbuild/darwin-x640.28.1indirect
npm@esbuild/freebsd-arm640.25.12indirect
npm@esbuild/freebsd-arm640.28.1indirect
npm@esbuild/freebsd-x640.25.12indirect
npm@esbuild/freebsd-x640.28.1indirect
npm@esbuild/linux-arm0.25.12indirect
npm@esbuild/linux-arm0.28.1indirect
npm@esbuild/linux-arm640.25.12indirect
npm@esbuild/linux-arm640.28.1indirect
npm@esbuild/linux-ia320.25.12indirect
npm@esbuild/linux-ia320.28.1indirect
npm@esbuild/linux-loong640.25.12indirect
npm@esbuild/linux-loong640.28.1indirect
npm@esbuild/linux-mips64el0.25.12indirect
npm@esbuild/linux-mips64el0.28.1indirect
npm@esbuild/linux-ppc640.25.12indirect
npm@esbuild/linux-ppc640.28.1indirect
npm@esbuild/linux-riscv640.25.12indirect
npm@esbuild/linux-riscv640.28.1indirect
npm@esbuild/linux-s390x0.25.12indirect
npm@esbuild/linux-s390x0.28.1indirect
npm@esbuild/linux-x640.25.12indirect
npm@esbuild/linux-x640.28.1indirect
npm@esbuild/netbsd-arm640.25.12indirect
npm@esbuild/netbsd-arm640.28.1indirect
npm@esbuild/netbsd-x640.25.12indirect
npm@esbuild/netbsd-x640.28.1indirect
npm@esbuild/openbsd-arm640.25.12indirect
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npm@esbuild/sunos-x640.28.1indirect
npm@esbuild/win32-arm640.25.12indirect
npm@esbuild/win32-arm640.28.1indirect
npm@esbuild/win32-ia320.25.12indirect
npm@esbuild/win32-ia320.28.1indirect
npm@esbuild/win32-x640.25.12indirect
npm@esbuild/win32-x640.28.1indirect
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npm@eslint-community/eslint-utils4.10.1indirect
npm@eslint-community/regexpp4.12.2indirect
npm@eslint/compat2.1.0indirect
npm@eslint/config-array0.23.5indirect
npm@eslint/config-helpers0.5.5indirect
npm@eslint/config-helpers0.7.0indirect
npm@eslint/core1.2.1indirect
npm@eslint/css-tree4.0.5indirect
npm@eslint/markdown8.0.3indirect
npm@eslint/object-schema3.0.5indirect
npm@eslint/plugin-kit0.7.2indirect
npm@humanfs/core0.19.2indirect
npm@humanfs/node0.16.8indirect
npm@humanfs/types0.15.0indirect
npm@humanwhocodes/module-importer1.0.1indirect
npm@humanwhocodes/retry0.4.3indirect
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npm@jridgewell/resolve-uri3.1.2indirect
npm@jridgewell/sourcemap-codec1.5.5indirect
npm@jridgewell/trace-mapping0.3.31indirect
npm@napi-rs/wasm-runtime1.2.1indirect
npm@ota-meshi/ast-token-store0.3.0indirect
npm@oxc-project/types0.142.0indirect
npm@pkgr/core0.3.6indirect
npm@quansync/fs1.0.0indirect
npm@rolldown/binding-android-arm641.2.1indirect
npm@rolldown/binding-darwin-arm641.2.1indirect
npm@rolldown/binding-darwin-x641.2.1indirect
npm@rolldown/binding-freebsd-x641.2.1indirect
npm@rolldown/binding-linux-arm-gnueabihf1.2.1indirect
npm@rolldown/binding-linux-arm64-gnu1.2.1indirect
npm@rolldown/binding-linux-arm64-musl1.2.1indirect
npm@rolldown/binding-linux-ppc64-gnu1.2.1indirect
npm@rolldown/binding-linux-s390x-gnu1.2.1indirect
npm@rolldown/binding-linux-x64-gnu1.2.1indirect
npm@rolldown/binding-linux-x64-musl1.2.1indirect
npm@rolldown/binding-openharmony-arm641.2.1indirect
npm@rolldown/binding-wasm32-wasi1.2.1indirect
npm@rolldown/binding-win32-arm64-msvc1.2.1indirect
npm@rolldown/binding-win32-x64-msvc1.2.1indirect
npm@rolldown/pluginutils1.0.1indirect
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npm@rollup/rollup-darwin-arm644.62.3indirect
npm@rollup/rollup-darwin-x644.62.3indirect
npm@rollup/rollup-freebsd-arm644.62.3indirect
npm@rollup/rollup-freebsd-x644.62.3indirect
npm@rollup/rollup-linux-arm-gnueabihf4.62.3indirect
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npm@rollup/rollup-linux-loong64-gnu4.62.3indirect
npm@rollup/rollup-linux-loong64-musl4.62.3indirect
npm@rollup/rollup-linux-ppc64-gnu4.62.3indirect
npm@rollup/rollup-linux-ppc64-musl4.62.3indirect
npm@rollup/rollup-linux-riscv64-gnu4.62.3indirect
npm@rollup/rollup-linux-riscv64-musl4.62.3indirect
npm@rollup/rollup-linux-s390x-gnu4.62.3indirect
npm@rollup/rollup-linux-x64-gnu4.62.3indirect
npm@rollup/rollup-linux-x64-musl4.62.3indirect
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npm@rollup/rollup-win32-x64-gnu4.62.3indirect
npm@rollup/rollup-win32-x64-msvc4.62.3indirect
npm@sindresorhus/base621.0.0indirect
npm@standard-schema/spec1.1.0indirect
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npm@tybys/wasm-util0.10.3indirect
npm@types/chai5.2.3indirect
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npm@types/esrecurse4.3.1indirect
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npm@types/hast3.0.5indirect
npm@types/json-schema7.0.15indirect
npm@types/katex0.16.8indirect
npm@types/mdast4.0.4indirect
npm@types/ms2.1.0indirect
npm@types/node26.1.2indirect
npm@types/resolve1.20.2indirect
npm@types/unist3.0.3indirect
npm@typescript-eslint/eslint-plugin8.65.0indirect
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npm@vitest/spy4.1.10indirect
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npmajv6.15.0indirect
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npmare-docs-informative0.0.2indirect
npmargs-tokenizer0.3.0indirect
npmassertion-error2.0.1indirect
npmautoprefixer10.5.4indirect
npmbalanced-match4.0.4indirect
npmbaseline-browser-mapping2.11.7indirect
npmboolbase1.0.0indirect
npmbrace-expansion5.0.8indirect
npmbrowserslist4.28.7indirect
npmbuiltin-modules5.3.0indirect
npmbumpp12.1.1indirect
npmcac7.0.0indirect
npmcaniuse-api3.0.0indirect
npmcaniuse-lite1.0.30001806indirect
npmccount2.0.1indirect
npmchai6.2.2indirect
npmchange-case5.4.4indirect
npmcharacter-entities2.0.2indirect
npmci-info4.4.0indirect
npmcitty0.1.6indirect
npmcommander11.1.0indirect
npmcommander8.3.0indirect
npmcomment-parser1.4.7indirect
npmcommondir1.0.1indirect
npmconfbox0.1.8indirect
npmconfbox0.2.4indirect
npmconsola3.4.2indirect
npmconvert-hrtime5.0.0indirect
npmconvert-source-map2.0.0indirect
npmcore-js-compat3.49.0indirect
npmcross-spawn7.0.6indirect
npmcss-declaration-sorter7.4.0indirect
npmcss-select5.2.2indirect
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Dependency advisories 0

Installing npm:magic-string-stack@2.0.0 pulls in 6 packages, direct and transitive: 0 carry known advisories, of which 0 are direct dependencies.

No known advisories affect the assessed dependencies.

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.

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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 — npm.