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chore(deps): bump fastmcp from 3.2.0 to 3.2.4 in /application#2394

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chore(deps): bump fastmcp from 3.2.0 to 3.2.4 in /application#2394
dependabot[bot] wants to merge 1 commit intomainfrom
dependabot/pip/application/fastmcp-3.2.4

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@dependabot dependabot bot commented on behalf of github Apr 15, 2026

Bumps fastmcp from 3.2.0 to 3.2.4.

Release notes

Sourced from fastmcp's releases.

v3.2.4: Patch Me If You Can

A grab bag of fixes, hardening, and polish.

The headline behavior change: background tasks are now scoped to the authorization context rather than the MCP session, so a task kicked off by an authenticated user survives session churn and stays tied to who started it. This is a breaking change for anyone relying on the old session-scoped semantics.

Security got three meaningful upgrades. FileUpload now validates actual decoded base64 size instead of trusting the client-reported number, so an attacker can't claim "10 bytes" and deliver 10MB. The proxy client stops forwarding inbound HTTP headers to unrelated remote servers — previously a header meant for server A could leak to server B. And AuthKit now auto-binds token audience to the resource URL per RFC 8707, closing a token-reuse gap across MCP resources.

Schema handling had a rough-edges pass. json_schema_to_type no longer crashes on Python keywords, boolean schemas, empty enums, or name collisions, and we added a 232K-schema crash test from APIs.guru to keep it honest. Gemini 2.5 Flash compatibility is fixed by stripping title fields the model rejects. Parameter descriptions are now extracted from docstrings automatically, so your tool signatures document themselves.

Plus a Keycloak OAuth provider for enterprise auth, improvements to ctx.elicit() (new response_title/response_description, deprecation warning when called without response_type), and dozens of smaller fixes across transforms, retry middleware, resource templates, and client disconnect handling.

What's Changed

Breaking Changes ⚠️

Enhancements ✨

Security 🔒

Fixes 🐞

... (truncated)

Commits
  • 7d76074 Stop pydantic 2.13 from leaking _WrappedResult docstring into tool output sch...
  • b732a4a Overhaul apps docs (#3915)
  • 5c2ff1b chore: Update SDK documentation (#3914)
  • f4f2ec0 Deprecate ctx.elicit() without response_type (#3916)
  • 338b80c chore(deps): bump the uv group across 2 directories with 1 update (#3913)
  • 110cd3a Add response_title and response_description to ctx.elicit() (#3912)
  • 3117846 chore: Update SDK documentation (#3909)
  • 031c7e0 Fix RetryMiddleware not retrying tool errors (#3858)
  • 200d79e Enable PERF and T20 ruff rules (#3845)
  • 82f310f AuthKit: auto-bind token audience to resource URL (RFC 8707) (#3905)
  • Additional commits viewable in compare view

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Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 3.2.0 to 3.2.4.
- [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...v3.2.4)

---
updated-dependencies:
- dependency-name: fastmcp
  dependency-version: 3.2.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Apr 15, 2026
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