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OpenJul 14, 2026
Due by July 27, 2026
•Last updated Documentation work for the 2026-07-28 MCP specification release.
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docs: reflect RFC 9728 protected-resource metadata discovery in the authorization guide
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3026 In modelcontextprotocol/modelcontextprotocol;docs: document RFC 9207
issvalidation for authorization responsesdocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3027 In modelcontextprotocol/modelcontextprotocol;docs: cover multiple authorization servers, credential binding, and
application_typein the authorization guidedocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3028 In modelcontextprotocol/modelcontextprotocol;docs: introduce URL mode elicitation in client concepts
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3029 In modelcontextprotocol/modelcontextprotocol;docs: mention tool calling in sampling and retarget the sampling redirect
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3030 In modelcontextprotocol/modelcontextprotocol;docs: reflect removal of protocol-level sessions and
Mcp-Session-Idin debugging, security, and architecture guidesdocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3031 In modelcontextprotocol/modelcontextprotocol;docs: reflect removal of
ping,logging/setLevel, andnotifications/roots/list_changeddocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3032 In modelcontextprotocol/modelcontextprotocol;docs: add deprecation callouts for Roots, Sampling, and Logging
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3033 In modelcontextprotocol/modelcontextprotocol;docs: document incremental scope consent and step-up authorization
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3034 In modelcontextprotocol/modelcontextprotocol;docs: add OAuth Client ID Metadata Documents to client registration guidance
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3035 In modelcontextprotocol/modelcontextprotocol;docs: recategorize Tasks as a protocol extension
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3036 In modelcontextprotocol/modelcontextprotocol;docs: describe stderr as the general logging channel for stdio servers
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3037 In modelcontextprotocol/modelcontextprotocol;docs: update links to the relocated Security Best Practices page
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3038 In modelcontextprotocol/modelcontextprotocol;docs: reflect the stateless protocol and removal of the initialize handshake
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3039 In modelcontextprotocol/modelcontextprotocol;docs: document the new mandatory
server/discoverRPCdocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3040 In modelcontextprotocol/modelcontextprotocol;docs: replace
resources/subscribeand GET-stream guidance withsubscriptions/listendocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3041 In modelcontextprotocol/modelcontextprotocol;docs: rewrite server-initiated request flows for Multi Round-Trip Requests (MRTR)
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3042 In modelcontextprotocol/modelcontextprotocol;docs: update extension capability phrasing to per-request
_metaandserver/discoverdocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3043 In modelcontextprotocol/modelcontextprotocol;docs: document CacheableResult
ttlMsandcacheScopefieldsdocumentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3044 In modelcontextprotocol/modelcontextprotocol;docs: note HTTP+SSE transport deprecation per the feature lifecycle policy
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3045 In modelcontextprotocol/modelcontextprotocol;docs: update build-client examples to v2 SDKs
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3046 In modelcontextprotocol/modelcontextprotocol;docs: update build-server examples to v2 SDKs
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3047 In modelcontextprotocol/modelcontextprotocol;docs: update authorization tutorial code examples to v2 SDKs
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3048 In modelcontextprotocol/modelcontextprotocol;docs: update MCP Apps build guide examples to the v2 TypeScript SDK
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3049 In modelcontextprotocol/modelcontextprotocol;docs: update OAuth client credentials extension examples to v2 SDKs
documentationImprovements or additions to documentationImprovements or additions to documentationrc-high-priorityRelated to an upcoming specification release and needs to be addressed with a high priority.Related to an upcoming specification release and needs to be addressed with a high priority.trackingTracks agreed-upon work (from SEP, WG, or maintainer sync)Tracks agreed-upon work (from SEP, WG, or maintainer sync)Status: Open.#3050 In modelcontextprotocol/modelcontextprotocol;