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fastmcp

50
Versions
License
No
Install Scripts
Attested
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation (unverified) npm registry signatures gitHead linked

Maintainers

punkpeye

Keywords

MCPSSE

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Change is to GitHub Actions CI publish with SLSA attestation; benign for this package. ai
phantom-deps phantom-dep:zod-to-json-schema AI (phantom-deps): Directly declared and used in build; stable false positive for this package. ai
dependencies unvetted-dep:xsschema AI (dependencies): xsschema is a schema validation library contextually appropriate for an MCP framework; no malicious indicators. Package has SLSA provenance and 488-day history. ai
dependencies unvetted-dep:mcp-proxy AI (dependencies): mcp-proxy is directly related to the MCP ecosystem this package serves; contextually expected dependency. Package has SLSA provenance and 488-day history. ai

Versions (showing 50 of 50)

Version Deps Published
4.12.1 14 / 27
4.12.0 14 / 27
4.11.0 14 / 27
4.10.0 14 / 27
4.9.2 14 / 25
4.9.1 14 / 25
4.9.0 14 / 25
4.8.1 14 / 25
4.8.0 14 / 25
4.7.2 14 / 25
4.7.1 14 / 25
4.7.0 14 / 25
4.6.0 14 / 25
4.5.0 14 / 25
4.4.0 14 / 25
4.3.2 14 / 25
4.3.1 14 / 25
4.3.0 14 / 25
4.2.0 14 / 25
4.1.0 14 / 25
4.0.2 14 / 25
4.0.1 14 / 25
4.0.0 14 / 25
3.35.0 14 / 25
3.34.0 14 / 25
3.33.0 14 / 25
3.32.0 14 / 25
3.31.0 14 / 25
3.30.1 13 / 25
3.30.0 13 / 25
3.29.0 13 / 25
3.28.0 13 / 25
3.27.0 13 / 25
3.26.10 13 / 25
3.26.9 13 / 25
3.26.8 13 / 25
3.26.7 13 / 25
3.26.6 13 / 25
3.26.5 13 / 25
3.26.4 13 / 25
3.26.3 13 / 25
3.26.2 13 / 25
3.25.4 13 / 25
3.25.3 13 / 25
3.25.2 13 / 25
3.25.1 13 / 25
3.25.0 13 / 25
3.24.0 13 / 25
3.23.1 13 / 25
3.23.0 13 / 25

v4.12.1

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.

v4.12.0

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.

v4.11.0

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.

v4.10.0

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.

v4.9.2

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.

v4.9.1

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.

v4.9.0

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.

v4.8.1

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.

v4.8.0

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.

v4.7.2

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.

v4.7.1

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.

v4.7.0

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.

v4.6.0

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.

v4.5.0

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.

v4.4.0

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.

v4.0.0

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.

v3.34.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-03-06) provenance

This version was published by a different npm account than previous versions on 2026-03-06. 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.

v3.33.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-02-16) provenance

This version was published by a different npm account than previous versions on 2026-02-16. 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.

v3.32.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-02-06) provenance

This version was published by a different npm account than previous versions on 2026-02-06. 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.

v3.31.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-30) provenance

This version was published by a different npm account than previous versions on 2026-01-30. 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.

v3.30.1

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-26) provenance

This version was published by a different npm account than previous versions on 2026-01-26. 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.

v3.30.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-25) provenance

This version was published by a different npm account than previous versions on 2026-01-25. 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.

v3.29.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-23) provenance

This version was published by a different npm account than previous versions on 2026-01-23. 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.

v3.28.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-20) provenance

This version was published by a different npm account than previous versions on 2026-01-20. 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.

v3.27.0

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-19) provenance

This version was published by a different npm account than previous versions on 2026-01-19. 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.

v3.26.10

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-18) provenance

This version was published by a different npm account than previous versions on 2026-01-18. 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.

v3.26.9

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-15) provenance

This version was published by a different npm account than previous versions on 2026-01-15. 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.

v3.26.8

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2026-01-06) provenance

This version was published by a different npm account than previous versions on 2026-01-06. 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.

v3.26.7

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.26.6

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.26.5

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.26.4

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.26.3

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.26.2

2 findings
HIGH Publisher changed: punkpeye → GitHub Actions (on 2025-12-27) provenance

This version was published by a different npm account than previous versions on 2025-12-27. 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.

v3.25.4

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.25.3

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.25.2

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.25.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.25.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.24.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.23.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.