[dependabot]

Bumps the python-minor-patch group with 5 updates:

Package	From	To
platformdirs	4.11.7	4.11.8
mcp	2.1.1	2.2.0
sse-starlette	3.4.10	3.4.11
ruff	0.16.6	0.16.7
pyright	1.1.411	1.1.414

Updates platformdirs from 4.11.7 to 4.11.8

Release notes

Sourced from platformdirs's releases.

4.11.8

What's Changed

• fix: ignore relative XDG base directory paths by @​lakshayxi in tox-dev/platformdirs#540
• fix: return one user path for root under multipath by @​darrenhuai in tox-dev/platformdirs#538
• fix: preserve literal percent signs in user-dirs paths by @​jackwalkerlabs in tox-dev/platformdirs#542
• fix: retain Homebrew site directories inside virtual environments by @​jackwalkerlabs in tox-dev/platformdirs#543

New Contributors

• @​lakshayxi made their first contribution in tox-dev/platformdirs#540
• @​jackwalkerlabs made their first contribution in tox-dev/platformdirs#542

Full Changelog: tox-dev/platformdirs@4.11.7...4.11.8

Changelog

Sourced from platformdirs's changelog.

########### Changelog ###########

.. towncrier-draft-entries:: Unreleased

.. towncrier release notes start

---

4.11.8 (2026-09-08)

---

• Make :func:~platformdirs.user_data_path, :func:~platformdirs.user_config_path, :func:~platformdirs.user_preference_path and :func:~platformdirs.user_applications_path return the first site entry when root is redirected by use_site_for_root under multipath, matching their site_*_path twins. They passed the whole joined list to :class:~pathlib.Path, giving one unusable path such as /xdg/a/foo:/xdg/b/foo - by :user:darrenhuai. :pr:538
• Ignore relative paths in XDG Base Directory environment variables and use the existing platform fallback. Relative entries in $XDG_DATA_DIRS and $XDG_CONFIG_DIRS are skipped. :pr:540
• Preserve literal percent signs in Unix user-dirs.dirs paths, including 100% complete, 100%% and %(XDG_DESKTOP_DIR)s. Continue to expand $HOME. :pr:542
• Use the base Python installation to locate Homebrew site directories on macOS, preserving shared data, config, cache and state paths inside virtual environments. :pr:543

---

4.11.7 (2026-09-01)

---

---

4.11.6 (2026-09-01)

---

• Give :func:~platformdirs.user_bin_dir and :func:~platformdirs.user_bin_path the use_site_for_root argument. They took none, so neither could reach the Unix redirect of root to :func:~platformdirs.site_bin_dir. :pr:537

---

4.11.5 (2026-08-27)

---

• Give :func:~platformdirs.user_preference_dir and :func:~platformdirs.user_preference_path the same arguments as :func:~platformdirs.user_config_dir. Added without arguments in :pr:491, they could only return the unscoped base directory even though the property they wrap appends the app name and version. :pr:531
• Make :func:~platformdirs.site_applications_path return the first entry when multipath=True, matching :func:~platformdirs.site_data_path. On Unix and macOS it passed the whole $XDG_DATA_DIRS list to :class:~pathlib.Path, giving one unusable path such as /first/applications:/second/applications. :pr:532
• Give :func:~platformdirs.user_applications_dir, :func:~platformdirs.user_applications_path, :func:~platformdirs.site_applications_dir and :func:~platformdirs.site_applications_path the app arguments. Android scopes both applications directories to the app, so without them the functions could only return the unscoped base directory there. On the two site functions they are keyword-only, keeping multipath first positional as it has been since 4.9.0; the two user functions take their boolean options keyword-only. :pr:534

... (truncated)

Commits

• c5ef1ed Release 4.11.8
• 0e85d6f fix: retain Homebrew site directories inside virtual environments (#543)
• b86a670 fix: preserve literal percent signs in user-dirs paths (#542)
• a6791c8 fix: return one user path for root under multipath (#538)
• 5550385 fix: ignore relative XDG base directory paths (#540)
• a209bf8 [pre-commit.ci] pre-commit autoupdate (#541)
• See full diff in compare view

Updates mcp from 2.1.1 to 2.2.0

Release notes

Sourced from mcp's releases.

v2.2.0

pip install -U mcp. Docs: https://py.sdk.modelcontextprotocol.io/

A few defaults changed in this release. If you run a server or client on 2.x, skim these first:

Behaviour changes

HTTP client redirects are only followed within the endpoint's origin (#3397)

• Client("https://..."), 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 is not followed: the call fails with MCPError and the session stays usable (an SSE connect fails with httpx2.HTTPStatusError). If that other URL is the server you meant, use it as the endpoint URL.
• The follow_redirects setting on an httpx2.AsyncClient you pass in is no longer used for MCP requests, so you don't need it for the trailing-slash redirect any more.
• The OAuth providers apply the same rule to their own requests.

Idle Streamable HTTP sessions now expire (legacy <=2025-11-25 spec( (#3395)

• 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. Neither are stateless servers or 2026-07-28 connections.
• A server also holds at most 10 000 sessions at once; beyond that, new sessions get a 503.
• To turn either off: mcp.run(transport="streamable-http", session_idle_timeout=None, max_sessions=None) (also on streamable_http_app() and run_streamable_http_async()).

The OAuth client checks the authorization server's issuer on the legacy path too (#3398)

• For servers without protected resource metadata, authorization server metadata whose issuer isn't the server's own origin is now rejected with OAuthFlowError: Authorization server metadata issuer mismatch. The protected-resource-metadata path has done this since 2.0.
• A 403 that isn't an insufficient_scope challenge is returned to the caller instead of retried.
• 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 MCPDeprecationWarnings (#3435, #3447)

• ClientCredentialsOAuthProvider / PrivateKeyJWTOAuthProvider without issuer=. Pass your authorization server's issuer URL; 3.0 will require it.
• AuthSettings with resource_server_url set but validate_token_resource unset. Set it to True or False; 3.0 defaults it to True.
• Both keep working as before in 2.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 (#3447).
• issuer= on ClientCredentialsOAuthProvider and PrivateKeyJWTOAuthProvider (#3398).
• session_idle_timeout= and max_sessions= on the Streamable HTTP server entry points (#3395).

Fixes

• A client DELETE frees its session immediately, and a refused opening request no longer leaves a session behind (#2455, #3228, #3300).
• $refs in a tool's outputSchema resolve within that schema only; an unresolvable one surfaces as RuntimeError: Invalid schema for tool ... (#3394).

Known gaps

The tasks extension (SEP-2663), DPoP (SEP-1932) and the jwt-bearer grant are not implemented yet; https://github.com/modelcontextprotocol/python-sdk/blob/main/ROADMAP.md tracks them.

What's Changed

• Gate draft PRs too and rewrite the auto-close comment by @​maxisbey in modelcontextprotocol/python-sdk#3378
• Resolve tool output-schema references within the schema document only by @​maxisbey in modelcontextprotocol/python-sdk#3394
• Expire idle Streamable HTTP sessions by default and cap concurrent sessions by @​maxisbey in modelcontextprotocol/python-sdk#3395
• Validate the authorization server metadata issuer on every discovery path by @​maxisbey in modelcontextprotocol/python-sdk#3398

... (truncated)

Commits

• 9972c21 Replace RootModel wrappers with type aliases and TypeAdapter validation (#3470)
• fd66270 docs: refresh translations, and translate pages in parallel (#3458)
• 08a3bc8 docs: ask for AI disclosure on comments too (#3459)
• 7bb486a docs: stop presenting the in-memory client as the way to connect (#3443)
• 0c91368 Add AuthSettings.validate_token_resource to check a bearer token's resource (...
• 9771e6b Keep following a relative redirect when the endpoint URL carries userinfo (#3...
• a925e55 Bump the locked versions of eight dev and test dependencies (#3449)
• e8b9486 Bump pymdown-extensions from 11.0 to 11.0.1 (#3285)
• c6762e8 Follow redirects only within the MCP endpoint's origin (#3397)
• 5fd3abc Skip automatic docs previews for fork PRs and drop the setup-uv retry steps (...
• Additional commits viewable in compare view

Updates sse-starlette from 3.4.10 to 3.4.11

Release notes

Sourced from sse-starlette's releases.

v3.4.11

What's Changed

• fix(examples): handle slow broadcasting clients by @​varadfromeast in sysid/sse-starlette#209

New Contributors

• @​varadfromeast made their first contribution in sysid/sse-starlette#209

Full Changelog: sysid/sse-starlette@v3.4.10...v3.4.11

Commits

• 6754ef3 Bump version to 3.4.11
• 25bcc15 fix(examples): make broadcast stream terminal after cleanup
• faa2c1c Merge pull request #209 from varadfromeast/fix/broadcasting-backpressure
• cb2205e fix(examples): close send-timeout leak and harden broadcasting tests
• b2362d5 fix(examples): handle slow broadcasting clients
• dd0cdb2 fix: uv.lock
• See full diff in compare view

Updates ruff from 0.16.6 to 0.16.7

Release notes

Sourced from ruff's releases.

0.16.7

Release Notes

Released on 2026-09-10.

Preview features

• [ruff] Add rule for default values on method receivers (RUF077) (#26700)
• [ruff] Recognize re.prefixmatch (RUF039, RUF055) (#28311)

Bug fixes

• Alternate nested quotes inside format spec interpolations (#28259)
• [flake8-implicit-str-concat] Mark fix unsafe when it creates a docstring (ISC003) (#27981)
• [flake8-tidy-imports] Skip fixes for multi-member imports (TID254) (#26584)
• [pylint] Gate ImportCycleError on Python 3.15 (PLW0133) (#28310)

Rule changes

• Correct D211 and D203 rule conflict diagnostic (#28444)
• Recognize slice and frozendict generics (#28477)
• Stop defining __cached__ for Python 3.15 (#28476)
• [pyupgrade] Stop recommending removed typing.no_type_check_decorator (UP035) (#28475)

Performance

• Reuse parser name lookups when interning (#28399)
• Speed up inherited configuration resolution (#28299)

Documentation

• Fix line-length path in --config example (#28392)
• Remove the "Who’s Using Ruff?" list (#28455)

Other changes

• Embed archive checksums in the shell installer (#28281)

Contributors

• @​The-Compiler
• @​mdiniz97
• @​zsol
• @​gorewilliams
• @​RafaelJohn9
• @​qatcod
• @​zanieb
• @​MichaReiser
• @​ntBre
• @​charliermarsh

... (truncated)

Changelog

Sourced from ruff's changelog.

0.16.7

Released on 2026-09-10.

Preview features

• [ruff] Add rule for default values on method receivers (RUF077) (#26700)
• [ruff] Recognize re.prefixmatch (RUF039, RUF055) (#28311)

Bug fixes

• Alternate nested quotes inside format spec interpolations (#28259)
• [flake8-implicit-str-concat] Mark fix unsafe when it creates a docstring (ISC003) (#27981)
• [flake8-tidy-imports] Skip fixes for multi-member imports (TID254) (#26584)
• [pylint] Gate ImportCycleError on Python 3.15 (PLW0133) (#28310)

Rule changes

• Correct D211 and D203 rule conflict diagnostic (#28444)
• Recognize slice and frozendict generics (#28477)
• Stop defining __cached__ for Python 3.15 (#28476)
• [pyupgrade] Stop recommending removed typing.no_type_check_decorator (UP035) (#28475)

Performance

• Reuse parser name lookups when interning (#28399)
• Speed up inherited configuration resolution (#28299)

Documentation

• Fix line-length path in --config example (#28392)
• Remove the "Who’s Using Ruff?" list (#28455)

Other changes

• Embed archive checksums in the shell installer (#28281)

Contributors

• @​The-Compiler
• @​mdiniz97
• @​zsol
• @​gorewilliams
• @​RafaelJohn9
• @​qatcod
• @​zanieb
• @​MichaReiser
• @​ntBre
• @​charliermarsh
• @​nightt5879

... (truncated)

Commits

• b5dba86 Bump version to 0.16.7 (#28496)
• 5992d05 Install rustfmt before linting releases (#28495)
• 1713a1f ensure prepare release changes pass prek (#28488)
• 18cdbb4 use scoped token for release workflow (#28484)
• c3813a5 add a workflow for preparing releases (#28486)
• 00948c0 Remove the "Who’s Using Ruff?" list (#28455)
• 86a2eba [pyupgrade] Stop recommending removed typing.no_type_check_decorator (`UP...
• 609e184 Stop defining __cached__ for Python 3.15 (#28476)
• 859ff2f [ty] Track symlinked directory status in listings (#28482)
• 77f6538 Use paid GitHub-hosted runners for Linux (#28478)
• Additional commits viewable in compare view

Updates pyright from 1.1.411 to 1.1.414

Commits

• 1aa6dfe Pyright NPM Package update to 1.1.414 (#370)
• 5ecb4df tests: retry network tests (#369)
• 978501b chore: bump timeout for pylance version check
• 474b7be Pyright NPM Package update to 1.1.413 (#365)
• 4502e5d ci: auto merge version bumps (#368)
• f9a9a6e [pyright updated to 1.1.412] Update Version (#364)
• See full diff in compare view

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