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Bump fastmcp from 4.0.3 to 4.0.4 - #513

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dependabot/pip/fastmcp-4.0.4
Sep 19, 2026
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anatoly-scherbakov merged 1 commit into
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dependabot/pip/fastmcp-4.0.4

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Bumps fastmcp from 4.0.3 to 4.0.4.

Release notes

Sourced from fastmcp's releases.

v4.0.4: Here Be No Dragons

OpenAPI request bodies get most of the attention in this patch: multipart string arrays are sent as repeated fields, whole-body arguments no longer clobber same-named HTTP parameters, dictionary bodies and raw content types survive intact, and JSON scalar bodies are encoded. On the auth side, OAuthProxy rejects ID-JAG tokens unless identity assertion is configured and refuses non-positive upstream token expiries. Clients now follow empty pagination cursors and servers reject malformed ones.

What's Changed

Enhancements ✨

Security 🔒

Fixes 🐞

Other Changes 🦾

New Contributors

... (truncated)

Changelog

Sourced from fastmcp's changelog.


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

v4.0.5: No Country for Loose Ints

Tool parameters declared strict with Field(strict=True), StrictInt, or a strict model config are honored again, on both direct calls and task submission. Since the SDK v2 migration the server's lax default overrode them and silently coerced values.

Security 🔒

Fixes 🐞

Full Changelog: v4.0.4...v4.0.5

v4.0.4: Here Be No Dragons

OpenAPI request bodies get most of the attention in this patch: multipart string arrays are sent as repeated fields, whole-body arguments no longer clobber same-named HTTP parameters, dictionary bodies and raw content types survive intact, and JSON scalar bodies are encoded. On the auth side, OAuthProxy rejects ID-JAG tokens unless identity assertion is configured and refuses non-positive upstream token expiries. Clients now follow empty pagination cursors and servers reject malformed ones.

Enhancements ✨

Security 🔒

Fixes 🐞

... (truncated)

Commits

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Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 4.0.3 to 4.0.4.
- [Release notes](https://github.com/PrefectHQ/fastmcp/releases)
- [Changelog](https://github.com/PrefectHQ/fastmcp/blob/main/docs/changelog.mdx)
- [Commits](PrefectHQ/fastmcp@v4.0.3...v4.0.4)

---
updated-dependencies:
- dependency-name: fastmcp
  dependency-version: 4.0.4
  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 Sep 19, 2026
@anatoly-scherbakov
anatoly-scherbakov merged commit 840d752 into master Sep 19, 2026
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@anatoly-scherbakov
anatoly-scherbakov deleted the dependabot/pip/fastmcp-4.0.4 branch September 19, 2026 09:05
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