Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-08-27 19:52 UTC

huggingface / tokenizers

💥 Fast State-of-the-Art Tokenizers optimized for Research and Production

Rust · PythonApache-2.0★ 11,000 stars⑂ 1,179 forkssince Nov 2019View on GitHub ↗

huggingface/tokenizers holds a health index of 95 out of 100, placing it in the Exceptional band. It scores highest on Engineering Quality (93/100) and lowest on Security (74/100). It was last updated today. A single contributor accounts 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

Hugging FaceOrganization · verified domain
67,571 followers467 public repossince Feb 2017

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

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
crates.iotokenizers0.23.13,827,54040122 days agobpehuggingfacenlptokenizerwordpiece

Metrics by category

Vitality

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

83Excellent · 21% of overall
How it's scored
36/36Push recency — last push 0 days ago
18.7/36Commit cadence — 27/52 weeks with commits
18/18Commit volume — 125 commits in the last year
10/10OpenSSF Scorecard: Maintained — 21 commit(s) and 4 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year125
human_commit_share0.83
days_since_last_push0
active_weeks_last_year27
How it's scored
27/27Ships releases — 100 releases published
27/36Release recency — latest release 122 days ago
19.8/27Release cadence — a release every ~58.7 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count100
latest_release_tagv0.23.1
releases_from_tagsno
days_since_latest_release122
mean_days_between_releases58.7
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?

88Excellent · 17% of overall
How it's scored
60/60Stars — 11,000 stars
25/25Forks — 1,179 forks
11.5/15Watchers — 120 watchers
Inputs used
forks1,179
stars11,000
watchers120
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (Apache-2.0)
18/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges2
has_contributingyes
has_issue_templateno
has_code_of_conductno
readme_badge_servicesgithub.com, shields.io
has_pull_request_templateno
How it's scored
80/80Monthly downloads — 3,827,540 downloads/month across crates
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagestokenizers
dependents—
ecosystemscrates
total_downloads28,917,100
monthly_downloads3,827,540
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?

75Good · 23% of overall
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
10.4/22.5Commit distribution — top contributor authored 54% of commits
13.5/13.5Contributor breadth — 98 contributors
10/10OpenSSF Scorecard: Contributors — project has 19 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled98
top_contributor_share0.539
How it's scored
37.6/42Issue resolution — 90% of issues closed
21.6/30PR acceptance — 764/1,063 decided PRs merged
0/13Newcomer PR acceptance — 0/2 first-time contributors' PRs merged in 30d
7.5/15OpenSSF Scorecard: Code-Review — Found 14/27 approved changesets -- score normalized to 5
Inputs used
merged_prs764
open_issues120
closed_issues1,033
prs_merged_7d11
prs_decided_7d42
prs_merged_30d25
prs_decided_30d60
issue_closed_ratio0.896
closed_unmerged_prs299
first_time_authors_30d2
first_time_prs_merged_30d0
first_time_prs_decided_30d2
How it's scored
30/30Ownership backing — organization-owned
20/20Verified domain
25/25Owner reach — 67,571 followers of huggingface
25/25Track record — 467 public repos, account ~9 yr old
Inputs used
followers67,571
owner_typeOrganization
is_verifiedyes
owner_loginhuggingface
public_repos467
account_age_days3,483

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on crates
35/35Publish recency — latest publish 122 days ago
20/20Version history — 40 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagestokenizers
ecosystemscrates
any_deprecatedno
min_days_since_publish122

Engineering Quality

Are baseline engineering and documentation practices in place?

93Exceptional · 19% of overall
How it's scored
24/24CI workflows — 18 workflow(s)
24/24Tests present
16/16Linter config — rustfmt.toml
0/9.6Pre-commit hooks
6.4/6.4.editorconfig
18/20OpenSSF Scorecard: CI-Tests — 28 out of 29 merged PRs checked by a CI test -- score normalized to 9
Inputs used
has_ciyes
has_testsyes
has_editorconfigyes
has_linter_configyes
has_precommit_configno

Documentation

100Exceptional
How it's scored
30/30README
25/25Documentation directory
15/15Documentation / homepage site — https://huggingface.co/docs/tokenizers
10/10Repository description
10/10Topics — 7 topics
10/10Wiki
Inputs used
topicsnlp, natural-language-processing, natural-language-understanding, language-model, transformers, bert, gpt
has_wikiyes
homepagehttps://huggingface.co/docs/tokenizers
docs_sitehttps://huggingface.co/docs/tokenizers
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

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

74Good · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — no data
2.2/2.5CI-Tests — 28 out of 29 merged PRs checked by a CI test -- score normalized to 9
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
3.8/7.5Code-Review — Found 14/27 approved changesets -- score normalized to 5
2.5/2.5Contributors — project has 19 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 — 21 commit(s) and 4 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
4.5/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 9
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
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
7.5/7.5Vulnerabilities — 0 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated16
scorecard_versionv5.5.0
checks_inconclusive2
scorecard_aggregate6.7
Excluded from scoring (no data or not applicable): Branch-Protection, 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
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
advisories0
affected_packages0
assessed_packages109
unassessed_packages49
affected_by_severitynone
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 109 resolved dependencies against OSV. 49 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
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 80 of 83 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.964
agent_instruction_files—
agent_instruction_max_bytes—
How it's scored
18/18One-command bootstrap — bindings/node/Makefile, bindings/python/Makefile, docs/Makefile, tokenizers/Makefile
22/22Automated tests
11/11Lint / format config — rustfmt.toml
11/11Static type checking — bindings/node/tsconfig.json, bindings/python/py_src/tokenizers/py.typed
10/10Reproducible environment — lockfile
8/10Demonstrated agent practice — 4 of the last 100 commits agent-authored or agent-credited
8/8Automated maintenance — 14 of the last 100 commits are automated dependency updates
9/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 9
Inputs used
has_nixno
has_testsyes
lockfilesyarn.lock
has_dockerfileno
typed_languageyes
bootstrap_filesbindings/node/Makefile, bindings/python/Makefile, docs/Makefile, tokenizers/Makefile
has_devcontainerno
has_linter_configyes
typecheck_configsbindings/node/tsconfig.json, bindings/python/py_src/tokenizers/py.typed
agent_commit_share0.04
toolchain_manifestsbindings/node/Cargo.toml, bindings/python/Cargo.toml, bindings/python/tools/stub-gen/Cargo.toml, tokenizers/Cargo.toml
dependency_bot_commit_share0.14
How it's scored
45/45Type-checkable code — Rust (statically typed)
53/55Manageable file sizes — 7/192 source files over 60KB
Inputs used
primary_languageRust
largest_source_bytes2,226,448
source_files_sampled192
oversized_source_files7
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
Inputs used
example_dirsexamples
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

11,000GitHub stars
98contributors
125commits, last 12 months
0days since last push
100releases
1bus factor
120open issues
crates.iopackage ecosystems

Data collection warnings

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

More detail

Star and fork history 0 ★ / 1,179 ⇿
0Stars
1,179Forks
73Releases

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.

Only the most recent history is shown — this repository exceeds the collection window, so the earliest history is not captured.

02004006008001,0001,2001,179102020-052023-062026-08
Major 0Minor 8Patch 19

Each point covers 6 days.

OpenSSF Scorecard 6.7 / 10
6.7aggregate

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 · 2026-08-27 19:51 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal 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
9CI-Tests28 out of 29 merged PRs checked by a CI test -- score normalized to 9
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
5Code-ReviewFound 14/27 approved changesets -- score normalized to 5
10Contributorsproject has 19 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained21 commit(s) and 4 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
9Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 9
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
10Vulnerabilities0 existing vulnerabilities detected
Direct dependencies 28
RegistryPackageVersion constraintManifest
crates.iorand0.9tokenizers/Cargo.toml
crates.ioonig6.5.1tokenizers/Cargo.toml
crates.ioregex1.10tokenizers/Cargo.toml
crates.ioregex-syntax0.8tokenizers/Cargo.toml
crates.iorayon1.10tokenizers/Cargo.toml
crates.iorayon-cond0.4tokenizers/Cargo.toml
crates.ioserde1.0tokenizers/Cargo.toml
crates.ioserde_json1.0tokenizers/Cargo.toml
crates.iounicode-normalization-alignments0.1tokenizers/Cargo.toml
crates.iounicode_categories0.1tokenizers/Cargo.toml
crates.iounicode-segmentation1.11tokenizers/Cargo.toml
crates.ioindicatif0.18tokenizers/Cargo.toml
crates.ioitertools0.14tokenizers/Cargo.toml
crates.iolog0.4tokenizers/Cargo.toml
crates.ioderive_builder0.20tokenizers/Cargo.toml
crates.iospm_precompiled0.1.3tokenizers/Cargo.toml
crates.iohf-hub0.4.1tokenizers/Cargo.toml
crates.iodaachorse3.0.0tokenizers/Cargo.toml
crates.iopaste1.0.14tokenizers/Cargo.toml
crates.iomacro_rules_attribute0.2.0tokenizers/Cargo.toml
crates.iothiserror2tokenizers/Cargo.toml
crates.iofancy-regex0.17tokenizers/Cargo.toml
crates.iogetrandom0.3tokenizers/Cargo.toml
crates.ioesaxx-rs0.1.10tokenizers/Cargo.toml
crates.iomonostate0.1.12tokenizers/Cargo.toml
crates.ioahash0.8.11tokenizers/Cargo.toml
crates.iodary_heap0.3.6tokenizers/Cargo.toml
crates.iocompact_str0.9tokenizers/Cargo.toml
All dependencies 158

Full resolved dependency set from the GitHub dependency graph: 28 direct and 130 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
crates.ioahash—direct
crates.iocompact_str—direct
crates.iodaachorse—direct
crates.iodary_heap—direct
crates.ioderive_builder—direct
crates.ioesaxx-rs—direct
crates.iofancy-regex—direct
crates.iogetrandom—direct
crates.iohf-hub—direct
crates.ioindicatif—direct
crates.ioitertools—direct
crates.iolog—direct
crates.iomacro_rules_attribute—direct
crates.iomonostate—direct
crates.ioonig—direct
crates.iopaste—direct
crates.iorand—direct
crates.iorayon—direct
crates.iorayon-cond—direct
crates.ioregex—direct
crates.ioregex-syntax—direct
crates.ioserde—direct
crates.ioserde_json—direct
crates.iospm_precompiled—direct
crates.iothiserror—direct
crates.iounicode-normalization-alignments—direct
crates.iounicode-segmentation—direct
crates.iounicode_categories—direct
crates.ioassert_approx_eq—indirect
crates.iocriterion—indirect
crates.ioenv_logger—indirect
crates.iolibc—indirect
crates.ionapi—indirect
crates.ionapi-build—indirect
crates.ionapi-derive—indirect
crates.iondarray—indirect
crates.ionumpy—indirect
crates.ioonce_cell—indirect
crates.iopyo3—indirect
crates.iopyo3-async-runtimes—indirect
crates.iopyo3-build-config—indirect
crates.iopyo3-ffi—indirect
crates.iopyo3-introspection—indirect
crates.iotempfile—indirect
crates.iotokio—indirect
crates.iotracing—indirect
crates.iotracing-subscriber—indirect
npm@inquirer/ansi2.0.5indirect
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npm@inquirer/confirm6.0.12indirect
npm@inquirer/core11.1.9indirect
npm@inquirer/editor5.1.1indirect
npm@inquirer/expand5.0.13indirect
npm@inquirer/external-editor3.0.0indirect
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npm@inquirer/select5.1.4indirect
npm@inquirer/type4.0.5indirect
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npm@napi-rs/lzma1.4.5indirect
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npm@napi-rs/lzma-linux-ppc64-gnu1.4.5indirect
npm@napi-rs/lzma-linux-riscv64-gnu1.4.5indirect
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npm@napi-rs/lzma-linux-x64-gnu1.4.5indirect
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npm@napi-rs/tar1.1.0indirect
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npm@napi-rs/tar-android-arm641.1.0indirect
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npm@napi-rs/tar-linux-arm-gnueabihf1.1.0indirect
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npm@napi-rs/tar-linux-x64-gnu1.1.0indirect
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npm@napi-rs/tar-wasm32-wasi1.1.0indirect
npm@napi-rs/tar-win32-arm64-msvc1.1.0indirect
npm@napi-rs/tar-win32-ia32-msvc1.1.0indirect
npm@napi-rs/tar-win32-x64-msvc1.1.0indirect
npm@napi-rs/wasm-runtime1.1.4indirect
npm@napi-rs/wasm-tools1.0.1indirect
npm@napi-rs/wasm-tools-android-arm-eabi1.0.1indirect
npm@napi-rs/wasm-tools-android-arm641.0.1indirect
npm@napi-rs/wasm-tools-darwin-arm641.0.1indirect
npm@napi-rs/wasm-tools-darwin-x641.0.1indirect
npm@napi-rs/wasm-tools-freebsd-x641.0.1indirect
npm@napi-rs/wasm-tools-linux-arm64-gnu1.0.1indirect
npm@napi-rs/wasm-tools-linux-arm64-musl1.0.1indirect
npm@napi-rs/wasm-tools-linux-x64-gnu1.0.1indirect
npm@napi-rs/wasm-tools-linux-x64-musl1.0.1indirect
npm@napi-rs/wasm-tools-wasm32-wasi1.0.1indirect
npm@napi-rs/wasm-tools-win32-arm64-msvc1.0.1indirect
npm@napi-rs/wasm-tools-win32-ia32-msvc1.0.1indirect
npm@napi-rs/wasm-tools-win32-x64-msvc1.0.1indirect
npm@octokit/auth-token6.0.0indirect
npm@octokit/core7.0.6indirect
npm@octokit/endpoint11.0.3indirect
npm@octokit/graphql9.0.3indirect
npm@octokit/openapi-types27.0.0indirect
npm@octokit/plugin-paginate-rest14.0.0indirect
npm@octokit/plugin-request-log6.0.0indirect
npm@octokit/plugin-rest-endpoint-methods17.0.0indirect
npm@octokit/request10.0.8indirect
npm@octokit/request-error7.1.0indirect
npm@octokit/rest22.0.1indirect
npm@octokit/types16.0.0indirect
npm@taplo/cli0.5.2indirect
npm@tybys/wasm-util0.10.1indirect
npmargparse2.0.1indirect
npmbefore-after-hook4.0.0indirect
npmchardet2.1.1indirect
npmcli-width4.1.0indirect
npmclipanion4.0.0-rc.4indirect
npmcolorette2.0.20indirect
npmdebug4.4.3indirect
npmemnapi1.10.0indirect
npmes-toolkit1.46.0indirect
npmfast-content-type-parse3.0.0indirect
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npmiconv-lite0.7.2indirect
npmjs-yaml4.3.1indirect
npmjson-with-bigint3.5.8indirect
npmms2.1.3indirect
npmmute-stream3.0.0indirect
npmobug2.1.1indirect
npmprettier2.8.8indirect
npmsafer-buffer2.1.2indirect
npmsemver7.7.4indirect
npmsignal-exit4.1.0indirect
npmtslib2.8.1indirect
npmtypanion3.14.0indirect
npmtypescript5.4.3indirect
npmuniversal-user-agent7.0.3indirect
PyPIhuggingface-hub—indirect
PyPImaturin—indirect
Dependency advisories 0

This repository publishes no package the index resolves, so its own dependency graph was assessed — 109 packages, which also include development and test pins that never ship: 0 carry known advisories, of which 0 are direct. 49 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.

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.

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.

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 — crates.io.