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Bump fastmcp from 3.2.0 to 3.4.7 - #73

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Bump fastmcp from 3.2.0 to 3.4.7#73
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Bumps fastmcp from 3.2.0 to 3.4.7.

Release notes

Sourced from fastmcp's releases.

v3.4.7: Know Your Audience

FastMCP 3.4.7 restores CIMD private_key_jwt authentication for OAuthProxy deployments at a bare origin. Client assertions are now validated against the exact token endpoint advertised in authorization server metadata, eliminating the doubled-slash audience mismatch.

What's Changed

Security 🔒

Docs 📚

Full Changelog: PrefectHQ/fastmcp@v3.4.6...v3.4.7

v3.4.6: Trust, but Proxy

FastMCP 3.4.6 backports trusted-proxy support for SSRF-protected OAuth metadata and JWKS fetches. Deployments can now route these requests through a mandated corporate proxy while preserving custom CA certificates; FastMCP refuses the fetch when no proxy is configured instead of risking an unprotected direct request.

What's Changed

Fixes 🐞

Docs 📚

Full Changelog: PrefectHQ/fastmcp@v3.4.5...v3.4.6

v3.4.5: Key Change

FastMCP 3.4.5 collects five fixes for the 3.x line. The one that prompted it: a single Ed25519 key in a JWKS — which Rauthy, Ory Hydra, and some Keycloak configurations publish by default — made JWTVerifier reject every token, including ones correctly signed by supported keys in the same set.

What's Changed

Fixes 🐞

Docs 📚

New Contributors

Full Changelog: PrefectHQ/fastmcp@v3.4.4...v3.4.5

v3.4.4: Host in Translation

FastMCP 3.4.4 restores HTTP deployment compatibility after the 3.4.3 Host/Origin guard changed default behavior for existing ASGI, serverless, and reverse-proxy deployments. The guard implementation remains available for deployments that opt in with explicit trusted hosts and origins, while 3.x returns to accepting traffic that worked before the patch. This release also adds Hugging Face OAuth provider support, with docs and examples for public and private apps, PKCE, Dynamic Client Registration, and CIMD.

... (truncated)

Changelog

Sourced from fastmcp's changelog.


title: "Changelog" icon: "list-check" rss: true tag: NEW

v4.0.0b3: Fast Fourward

FastMCP 4 beta 3 moves the v4 line toward general availability with Prefect Horizon authentication, CallArgument and Depends bindings for tools and background tasks, and a round of OAuth, proxy, OpenAPI, and Python 3.14 compatibility hardening.

Enhancements ✨

Security 🔒

Fixes 🐞

Docs 📚

New Contributors

Full Changelog: v4.0.0b2...v4.0.0b3

v3.4.7: Know Your Audience

FastMCP 3.4.7 fixes CIMD private_key_jwt authentication on bare-origin OAuth proxy deployments by validating client assertions against the exact token endpoint advertised in OAuth metadata.

... (truncated)

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Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 3.2.0 to 3.4.7.
- [Release notes](https://github.com/PrefectHQ/fastmcp/releases)
- [Changelog](https://github.com/PrefectHQ/fastmcp/blob/main/docs/changelog.mdx)
- [Commits](PrefectHQ/fastmcp@v3.2.0...v3.4.7)
---
updated-dependencies:
- dependency-name: fastmcp
dependency-version: 3.4.7
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Aug 21, 2026
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