Linux Foundation Launches Agentic AI Foundation with Anthropic, Block, and OpenAI as Co-Founders

Summary

On December 9, 2025, the Linux Foundation announced the formation of the Agentic AI Foundation (AAIF), a new organization dedicated to open, interoperable standards for AI agent development. The three co-founders — Anthropic, Block, and OpenAI — each contributed a core open-source project: Anthropic donated the Model Context Protocol (MCP), OpenAI donated AGENTS.md, and Block donated goose, its open-source local-first AI agent framework. The AAIF's platinum members include Amazon Web Services,