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Bumps mcp from 1.28.1 to 1.30.0.

Release notes

Sourced from mcp's releases.

v1.30.0

Maintenance release of the 1.x line. 2.x is the current line; 1.x docs are at https://py.sdk.modelcontextprotocol.io/v1/.

A few defaults changed in this release. If you run a server or client on 1.x, skim these first:

Behaviour changes

HTTP client redirects are only followed within the endpoint's origin (#3448)

• streamable_http_client and sse_client follow a redirect only if it stays on the same scheme, host and port (or upgrades http to https on the same host).
• A redirect anywhere else now fails the request with httpx.HTTPStatusError. If that other URL is the server you meant, use it as the endpoint URL.
• The follow_redirects setting on an httpx.AsyncClient you pass in is no longer used for MCP requests, so you don't need it for the trailing-slash redirect any more.
• OAuthClientProvider applies the same rule to its own requests.

Idle Streamable HTTP sessions now expire (#3426)

• A stateful session with nothing in flight for 30 minutes is closed. The client's next request gets a 404 and it has to initialize again.
• Clients that keep the GET stream open (the SDK's client does) are not affected.
• A server also holds at most 10 000 sessions at once; beyond that, new sessions get a 503.
• To turn either off: FastMCP(..., session_idle_timeout=None, max_sessions=None).

The OAuth client checks the authorization server's issuer (#3431)

• Authorization server metadata whose issuer doesn't match the server it was fetched for is now rejected with OAuthFlowError: Authorization server metadata issuer mismatch.
• Client registrations are now remembered per issuer; if the server later points at a different authorization server, the client registers again.
• If protected resource metadata can't be fetched because of a 5xx/429, the flow now stops instead of falling back to the legacy endpoints.

Two new DeprecationWarnings (#3431, #3451)

• ClientCredentialsOAuthProvider / PrivateKeyJWTOAuthProvider without issuer=. Pass your authorization server's issuer URL.
• AuthSettings with resource_server_url set but validate_token_resource unset. Set it to True or False.
• Both keep working as before in 1.x; this mostly matters if your tests turn warnings into errors.

New

• AuthSettings.validate_token_resource: only accept tokens your TokenVerifier reports as issued for this server (#3451).
• issuer= on ClientCredentialsOAuthProvider and PrivateKeyJWTOAuthProvider (#3431).
• session_idle_timeout= and max_sessions= on FastMCP (#3426).

What's Changed

• [v1.x] Resolve tool output-schema references within the schema document only by @​maxisbey in modelcontextprotocol/python-sdk#3396
• [v1.x] Expire idle Streamable HTTP sessions by default and cap concurrent sessions by @​maxisbey in modelcontextprotocol/python-sdk#3426
• [v1.x] Validate the authorization server metadata issuer on every discovery path by @​maxisbey in modelcontextprotocol/python-sdk#3431
• [v1.x] Follow redirects only within the MCP endpoint's origin by @​maxisbey in modelcontextprotocol/python-sdk#3448
• [v1.x] Add AuthSettings.validate_token_resource to check a bearer token's resource by @​maxisbey in modelcontextprotocol/python-sdk#3451

Full Changelog: modelcontextprotocol/python-sdk@v1.29.1...v1.30.0

v1.29.1

What's Changed

• [v1.x] Complete the FastMCP Settings model at import time by @​maxisbey in modelcontextprotocol/python-sdk#3352
• [v1.x] Apply the request body limit to the SSE and OAuth endpoints by @​maxisbey in modelcontextprotocol/python-sdk#3344

... (truncated)

Commits

• 8c2fa6e [v1.x] Add AuthSettings.validate_token_resource to check a bearer token's res...
• 2106335 [v1.x] Follow redirects only within the MCP endpoint's origin (#3448)
• 3eed7ce [v1.x] Validate the authorization server metadata issuer on every discovery p...
• 92120b4 [v1.x] Expire idle Streamable HTTP sessions by default and cap concurrent ses...
• 5ebdfed [v1.x] Resolve tool output-schema references within the schema document only ...
• b222713 [v1.x] Give recursive tool return types an object-rooted output schema (#3377)
• 4dc224f [v1.x] Apply the request body limit to the SSE and OAuth endpoints (#3344)
• ae3338f [v1.x] Complete the FastMCP Settings model at import time (#3352)
• 98b7159 [v1.x] Move the v1.x docs to /v1/ and mark v1.x as the maintenance line (#3177)
• c0c5a9d [v1.x] ci: pick the docs toolchain per worktree in build-docs.sh (#3082)
• Additional commits viewable in compare view

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Note

Overview
Updates uv.lock to pin the mcp Python SDK from 1.28.1 to 1.30.0 (lockfile revision 3 → 5). There are no application or pyproject source changes—only resolved package URLs/hashes for the new release.

1.30.0 is a maintenance-line release with behavior changes that may surface through MCP HTTP/OAuth clients (e.g. same-origin redirect rules, idle Streamable HTTP session expiry, stricter OAuth issuer checks, and new deprecation warnings). This repo does not import mcp directly; impact depends on how claude_agent_sdk / openai_agents use those code paths at runtime.

^{Reviewed by Cursor Bugbot for commit 136ae0d. Bugbot is set up for automated code reviews on this repo. Configure here.}

[jeffdupont]

Approved: lockfile-only.