{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2025-12-09-mcp-agentic-ai-foundation/","md":"https://postcutoff.com/e/2025-12-09-mcp-agentic-ai-foundation/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2025-12-09-mcp-agentic-ai-foundation","date":"2025-12-09","date_precision":"day","short_title":"MCP donated to the Linux Foundation's new Agentic AI Foundation","deck":null,"takeaway":"Anthropic donated the Model Context Protocol to the Agentic AI Foundation (AAIF), a Linux Foundation directed fund co-founded by Anthropic, Block and OpenAI, with founding projects MCP, Block's goose and OpenAI's AGENTS.md.","category":"agents","category_label":"Agents","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Anthropic Engineering: Code execution with MCP, building more efficient agents (Nov 4, 2025)","url":"https://www.anthropic.com/engineering/code-execution-with-mcp","type":"official","group":"primary","domain":"anthropic.com"},{"n":2,"title":"Donating the Model Context Protocol and establishing the Agentic AI Foundation (Anthropic)","url":"https://www.anthropic.com/news/donating-the-model-context-protocol-and-establishing-of-the-agentic-ai-foundation","type":"official","group":"primary","domain":"anthropic.com"},{"n":3,"title":"Linux Foundation announces the Agentic AI Foundation (Linux Foundation)","url":"https://www.linuxfoundation.org/press/linux-foundation-announces-the-formation-of-the-agentic-ai-foundation","type":"official","group":"primary","domain":"linuxfoundation.org"},{"n":4,"title":"MCP joins the Agentic AI Foundation (MCP blog)","url":"https://blog.modelcontextprotocol.io/posts/2025-12-09-mcp-joins-agentic-ai-foundation/","type":"official","group":"primary","domain":"blog.modelcontextprotocol.io"}],"official":4,"filed":"2026-09-29","updated":"2026-10-11","orgs":["Anthropic","Linux Foundation","OpenAI","Block"],"title":"MCP donated to the Linux Foundation's new Agentic AI Foundation","summary":"Anthropic donated the Model Context Protocol to the Agentic AI Foundation (AAIF), a Linux Foundation directed fund co-founded by Anthropic, Block and OpenAI, with founding projects MCP, Block's goose and OpenAI's AGENTS.md.","key_facts":["Announced 9 December 2025","Co-founded by Anthropic, Block and OpenAI; supported by Google, Microsoft, AWS, Cloudflare and Bloomberg","Founding projects: MCP, goose, AGENTS.md","MCP reported 97M+ monthly SDK downloads and 10,000+ active servers"],"key_numbers":[],"tags":["agents","protocol","open-source","standards"],"science":null,"body_md":"## What happened\n\nRival labs placed the leading agent standards under neutral open-source governance.\n\n## Why it matters\n\nCemented MCP and AGENTS.md as vendor-neutral infrastructure for the agent ecosystem.","disputed":[],"related":[{"id":"2024-11-25-model-context-protocol","url":"https://postcutoff.com/e/2024-11-25-model-context-protocol/","date":"2024-11-25","date_precision":"day","short_title":"Anthropic open-sources the Model Context Protocol (MCP)","deck":null,"takeaway":"Solved the N×M integration problem for agents and became core infrastructure of the agentic AI ecosystem.","category":"agents","category_label":"Agents","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":3,"official":3,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]}],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-10-11","type":"edit","text":"Added related Anthropic engineering post link(s)"},{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-10-11","human_review":null,"version":{"date":"2026-10-11"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":null}