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modelcontextprotocol
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python-sdk
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v1.x
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Commits on Jul 17, 2026
[v1.x] fix: reject trailing newline in tool-name validation (#3086)
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maxisbey
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otiscuilei
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e828374
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Commits on Jul 16, 2026
[v1.x] Add Streamable HTTP request body limits (#3101)
Kludex
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Commits on Jun 26, 2026
[v1.x] Route Context.report_progress() to the originating request stream (#2994)
maxisbey
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9678a3b
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[v1.x] Support TransportSecuritySettings in the WebSocket server transport (#2992)
maxisbey
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777b8d0
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Commits on Jun 23, 2026
[v1.x] Buffer per-request StreamableHTTP streams; store priming event before dispatch (#2948)
maxisbey
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Commits on Jun 11, 2026
[v1.x] Deprecate the WebSocket transport and the experimental tasks entry points (#2828)
maxisbey
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Commits on Jun 10, 2026
fix: omit null optional fields from task result payloads (#2809)
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liuzemei
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SheldonNeo
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2309e5e
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Commits on Jun 3, 2026
[v1.x] Support Python 3.14 (#2769)
maxisbey
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494eb11
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Commits on May 29, 2026
[v1.x] Scope experimental tasks to the session that created them (#2720)
maxisbey
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6213787
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[v1.x] Bind transport sessions to the authenticated principal (#2719)
maxisbey
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ce267b6
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Commits on May 26, 2026
[v1.x] Add subject and claims to AccessToken (#2690)
maxisbey
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1abcca2
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Commits on May 8, 2026
[v1.x] refactor: import SSEError from httpx_sse public API (#2561)
maxisbey
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77431eb
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Commits on Apr 13, 2026
[v1.x] fix(auth): coerce empty-string optional URL fields to None in OAuthClientMetadata (#2405)
felixweinberger
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73d458b
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[v1.x] fix: catch PydanticUserError when generating output schema (pydantic 2.13 compat) (#2435)
maxisbey
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Commits on Mar 24, 2026
[v1.x] fix: handle ClosedResourceError when transport closes mid-request (#2334)
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6524782
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Commits on Mar 17, 2026
[v1.x] fix: handle non-UTF-8 bytes in stdio server stdin (#2303)
maxisbey
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Commits on Mar 2, 2026
Backport: Add missing TasksCallCapability to v1.x (#2137)
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f8d98b6
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Commits on Feb 18, 2026
feat: add idle timeout for StreamableHTTP sessions (#1994)
felixweinberger
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23a6157
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Commits on Feb 17, 2026
fix: add RFC 8707 resource validation to OAuth client (#2069)
felixweinberger
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6745894
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Commits on Jan 24, 2026
[v1.x] fix: return HTTP 404 for unknown session IDs instead of 400 (#1945)
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Commits on Jan 22, 2026
Backport: Support for Resource and ResourceTemplate metadata (#1928)
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maxisbey
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ElwaarJacem
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d891525
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Commits on Dec 15, 2025
Fix for Url Elicitation issue 1768 (#1780)
gopitk
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8ac0cab
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Commits on Dec 10, 2025
Add `streamable_http_client` which accepts `httpx.AsyncClient` instead of `httpx_client_factory` (#1177)
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Kludex
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felixweinberger
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a3a4b8d
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Fix JSON-RPC error response ID matching (#1720)
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cc8382c
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Commits on Dec 9, 2025
feat: client-side support for SEP-1577 sampling with tools (#1722)
jlowin
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0dedbd9
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Skip empty SSE data to avoid parsing errors (#1753)
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injusticescorpio
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maxisbey
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fix: allow MIME type parameters in resource validation (RFC 2045) (#1755)
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antonpk1
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claude
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8ac11ec
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Commits on Dec 8, 2025
refactor(auth): remove unused _register_client method (#1748)
maxisbey
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8b984d9
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Commits on Dec 4, 2025
fix: skip priming events and close_sse_stream for old protocol versions (#1719)
felixweinberger
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89ff338
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fix: handle ClosedResourceError in StreamableHTTP message router (#1384)
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Commits on Dec 2, 2025
chore: update LATEST_PROTOCOL_VERSION to 2025-11-25 (#1715)
felixweinberger
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8e02fc1
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Merge commit from fork
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pcarleton
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d3a1841
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feat: backwards-compatible create_message overloads for SEP-1577 (#1713)
felixweinberger
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fa851d9
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Support client_credentials flow with JWT and Basic auth (#1663)
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f82b0c9
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Add SSE polling support (SEP-1699) (#1654)
felixweinberger
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281fd47
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