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Model Context Protocol (MCP), core specification

Linux Foundationspecificationcontext entry

Verified 2026-10-13. Status as of 2026-10-13. All entries.

Seams: S1

Status

Specification version 2026-07-28 (the latest release is 2026-07-28; the specification directory holds 2025-03-26, 2025-06-18, 2025-11-25, 2026-07-28 and a draft; no later release, read 2026-10-13); the blog post of 2025-12-09 says "Anthropic is donating MCP to the Agentic AI Foundation".

Relevance

The specification describes MCP as "an open protocol that enables seamless integration between LLM applications and external data sources and tools"; discovery is in mcp-server-card and lf-ai-catalog.

Committed next

None declared in the sources read.

Sources

Overlaps

MCP Server Cards (ext-server-card, SEP-2127), AI Catalog (Agent Card Working Group), Agent2Agent (A2A) protocol, core specification

Neighbours in the map

Neighbours of Model Context Protocol (MCP), core specification in the map Each circle is an entry of the map and links to its page; the colour is the kind of body behind it, a filled circle is a core entry and a dashed circle a context entry. The entry in the middle, with the entries it overlaps and the entries named by the same seams. Overlaps (5)Share a seam (9)AI Catalog (Agent Card Working Group) (Linux Foundation, core)AI Catalog Agent2Agent (A2A) protocol, core specification (Linux Foundation, context)Agent2Agent MCP Server Cards (ext-server-card, SEP-2127) (Linux Foundation, core)MCP Server Cards Browser vendor positions on WebMCP (WebKit, Mozilla, Chrome, Edge) (Independent, core)Browser vendor position… Personal Agent Protocol (PAP, "Poppy"), published by Sierra with Meta (Industry, core)Personal Agent Protocol W3C AI Agent Protocol Community Group (W3C, core)W3C AI Agent Protocol C… S1 DNS for AI Discovery (DNS-AID, draft-mozleywilliams-dnsop-dnsaid) (IETF, context)DNS for AI Discovery S1 IETF DAWN, Discovery of Agents With Names (proposed WG) (IETF, core)IETF DAWN S1 A2A protocol, agent discovery (Linux Foundation, core)A2A protocol S1 Agentic Resource Discovery (ARD) (Independent, core)Agentic Resource Discov… S1 schema.org vocabulary for products, offers, sellers and lodging (current release) (Independent, context)schema.org vocabulary f… S1 Personal Agent Consent & Trust Protocol (PACT), published by Decagon with Instinct (Industry, core)Personal Agent Consent… S1 Shopify, MCP surfaces for buyer agents, developers and merchants (Industry, context)Shopify S1 Universal Commerce Protocol (UCP) (Industry, core)Universal Commerce Prot… S1 Model Context Protocol

Solid lines: overlaps declared by one of the two entries. Dashed lines, coloured by seam: entries named by the same seam (S1 to S4) in the seams note. Every node is a link.

Evidence and coverage

Read
On 2026-10-13: the list of releases and the specification directory of the repository; the blog post, the governance page and the versioning page were not re-read.
Not read
Full text of each specification chapter, the Specification Enhancement Proposal (SEP) process pages, licence texts beyond README and GOVERNANCE.md.
Not found
Not found on the governance and specification pages: foundation, AAIF, Linux.