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v2.0.0a3
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Commits on Jun 26, 2026
Conformance burn-down: server-side InputRequiredResult, Mcp-Method/Name validation, x-mcp-header filter (14 scenarios → green) (#2974)
maxisbey
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5873402
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Commits on Jun 25, 2026
Split protocol types into a standalone `mcp-types` package (#2973)
Kludex
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Client call_tool: input_responses/request_state retry params; InputRequiredResult via allow_input_required (#2968)
maxisbey
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03681ed
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Client-side 2026-07-28 support: .discover()/.adopt() + Client(mode=); request-metadata green (#2950)
maxisbey
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f226d00
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Commits on Jun 22, 2026
Slim ServerMiddleware to `(ctx, call_next)` and add `OpenTelemetryMiddleware` (#2941)
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Kludex
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maxisbey
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Commits on Jun 21, 2026
Server-side 2026-07-28 stateless support: classifier, driver split, server/discover (#2928)
maxisbey
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2397319
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Commits on Jun 20, 2026
Bind client credentials to their authorization server (SEP-2352) (#2933)
Kludex
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4472428
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Union previously requested scopes on step-up re-authorization (SEP-2350) (#2931)
Kludex
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1331131
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Deprecate roots, sampling, and logging methods per SEP-2577 (#2926)
Kludex
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4573e4a
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Send `application_type` during Dynamic Client Registration (SEP-837) (#2930)
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cf41441
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Document `redirect_uri` wire-format change in OAuth migration note (#2929)
Kludex
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60f37e9
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Validate the `iss` authorization-response parameter (RFC 9207 / SEP-2468) (#2921)
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48cf495
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Preserve empty URL paths on OAuth metadata models (#2925)
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fix: correct MCPServer call_tool result type (#2816)
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Return -32602 for resource not found (SEP-2164) (#2920)
Kludex
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f253682
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First end-to-end 2026-07-28 stateless tools/call (experimental entry + ClientSession pin) (#2917)
maxisbey
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84bf9bd
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Commits on Jun 17, 2026
Resolve protocol version per request and expose it as ctx.protocol_version (#2886)
maxisbey
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Commits on Jun 16, 2026
Protocol types for 2026-07-28: superset monolith, committed per-version packages, and wire-method maps (#2849)
maxisbey
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65be5a7
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Commits on Jun 15, 2026
[v2] ClientSession runs on JSONRPCDispatcher; BaseSession removed (#2838)
maxisbey
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Commits on Jun 11, 2026
Fix unknown-method error code and add a protocol version registry (#2836)
maxisbey
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7267818
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Commits on Jun 9, 2026
[v2] Dispatcher/ServerRunner receive-path swap — replaces BaseSession (#2710)
maxisbey
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5d82649
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Commits on Jun 8, 2026
Remove the unsupported WebSocket transport (#2785)
maxisbey
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Commits on Jun 5, 2026
Fix stdio client shutdown bugs and rebuild the stdio test suite (#2773)
maxisbey
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bdc48e9
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Commits on Jun 2, 2026
Remove Tasks (SEP-1686) from the SDK (#2714)
maxisbey
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8cc187f
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Commits on May 18, 2026
ci: deploy docs to py.sdk.modelcontextprotocol.io via Pages artifact (v1 at /, v2 at /v2/) (#2634)
maxisbey
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f475344
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Commits on Apr 14, 2026
fix: align Context logging methods with MCP spec data type (#2366)
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3 people
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3d7b311
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Commits on Apr 9, 2026
docs: fill migration guide gaps surfaced by automated upgrade eval (#2412)
maxisbey
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Commits on Mar 18, 2026
docs: generate hierarchical per-module API reference pages (#2103)
jonathanhefner
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5388bea
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feat(client): store InitializeResult as initialize_result (#2300)
maxisbey
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20dd946
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Commits on Mar 16, 2026
refactor(examples): migrate all HTTP examples to streamable_http_app() (#2291)
maxisbey
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Commits on Mar 4, 2026
refactor: remove request_ctx ContextVar, thread Context explicitly (#2203)
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Kludex
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cc22bf5
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Commits on Feb 18, 2026
refactor: remove unused `mcp.shared.progress` module (#2080)
maxisbey
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e82203b
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Commits on Feb 12, 2026
refactor: replace lowlevel Server decorators with on_* constructor kwargs (#1985)
maxisbey
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Commits on Feb 3, 2026
feat: add `ClientRequestContext` type alias for client-side handlers (#1989)
Kludex
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4fc49c6
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refactor: split `RequestContext` between server and client (#1987)
Kludex
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b1f7eec
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