--- id: "2025-12-09-mcp-agentic-ai-foundation" url: "https://postcutoff.com/e/2025-12-09-mcp-agentic-ai-foundation/" as_of: "2026-11-13T13:49:00+01:00" date: "2025-12-09" date_precision: day category: agents importance: 3 confidence: high status: [Confirmed] sources: 4 editor: human editor human_review: null version: "2026-10-11" --- As of: 2026-11-13 13:49 CET. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/e/2025-12-09-mcp-agentic-ai-foundation/ # MCP donated to the Linux Foundation's new Agentic AI Foundation 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 ## What happened Rival labs placed the leading agent standards under neutral open-source governance. ## Why it matters Cemented MCP and AGENTS.md as vendor-neutral infrastructure for the agent ecosystem. ## Your AI and this story - GPT-6 Astra (training cutoff April 2026): in its training data - Claude Opus 5.5 (training cutoff June 2026): in its training data - Gemini 4 Hydrogen (training cutoff March 2026): in its training data - Grok 4.7 (training cutoff May 2026): in its training data ## Sources 1. [Anthropic Engineering: Code execution with MCP, building more efficient agents (Nov 4, 2025)](https://www.anthropic.com/engineering/code-execution-with-mcp) (anthropic.com, official) 2. [Donating the Model Context Protocol and establishing the Agentic AI Foundation (Anthropic)](https://www.anthropic.com/news/donating-the-model-context-protocol-and-establishing-of-the-agentic-ai-foundation) (anthropic.com, official) 3. [Linux Foundation announces the Agentic AI Foundation (Linux Foundation)](https://www.linuxfoundation.org/press/linux-foundation-announces-the-formation-of-the-agentic-ai-foundation) (linuxfoundation.org, official) 4. [MCP joins the Agentic AI Foundation (MCP blog)](https://blog.modelcontextprotocol.io/posts/2025-12-09-mcp-joins-agentic-ai-foundation/) (blog.modelcontextprotocol.io, official) ## Changes - 2026-10-11: Added related Anthropic engineering post link(s) - 2026-09-29 (filed): Created ## Related - 2024-11-25: [Anthropic open-sources the Model Context Protocol (MCP)](https://postcutoff.com/e/2024-11-25-model-context-protocol/index.md)