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🤗 Tokenizers.js: A pure JS/TS implementation of today's most used tokenizers

10
Versions
Apache-2.0
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures gitHead linked

Maintainers

julien-cpierriccoyotte508xenovagary149

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Transition from xenova (HuggingFace contributor) to GitHub Actions CI/CD is a legitimate, security-improving automation change, confirmed by SLSA provenance attestation on the same version. ai

Versions (showing 10 of 10)

Version Deps Published
0.1.3 0 / 15
0.1.2 0 / 15
0.1.1 0 / 15
0.1.0 0 / 15
0.0.6 0 / 15
0.0.5 0 / 15
0.0.4 0 / 15
0.0.3 1 / 15
0.0.2 0 / 14
0.0.1 0 / 14

v0.1.3

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.1.2

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.1.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.1.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.6

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.5

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.4

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.3

2 findings
HIGH Publisher changed: xenova → GitHub Actions (on 2025-11-04) provenance

This version was published by a different npm account than previous versions on 2025-11-04. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.2

2 findings
HIGH Publisher changed: xenova → GitHub Actions (on 2025-11-03) provenance

This version was published by a different npm account than previous versions on 2025-11-03. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v0.0.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.