--- title: "Agentic AI Foundation (AAIF): definition | Agent MCP Directory" description: "Agentic AI Foundation (AAIF): The Linux Foundation-directed foundation that hosts MCP, A2A, goose and AGENTS.md. Defined with a sourced example." canonical: https://agentmcpdirectory.com/glossary/agentic-ai-foundation site: "Agent MCP Directory" last_updated: 2026-11-04 section: "Glossary" --- # Agentic AI Foundation (AAIF): definition | Agent MCP Directory > Agentic AI Foundation (AAIF): The Linux Foundation-directed foundation that hosts MCP, A2A, goose and AGENTS.md. Defined with a sourced example. Source: https://agentmcpdirectory.com/glossary/agentic-ai-foundation Site: Agent MCP Directory Last reviewed: 2026-11-04 # Agentic AI Foundation (AAIF) Agentic AI Foundation (AAIF): The Linux Foundation-directed foundation that hosts MCP, A2A, goose and AGENTS.md. Example: A2A joined as a Growth Stage project on 27 Aug 2026. Next in the glossary is agents.json: An OpenAPI-based file at /.well-known/agents.json describing flows of API calls for agents. ## Definition The Linux Foundation-directed foundation that hosts MCP, A2A, goose and AGENTS.md. ## Example, with source A2A joined as a Growth Stage project on 27 Aug 2026. ([a2a-protocol.org](https://a2a-protocol.org/latest/blog/2026/08/27/a-new-chapter-for-a2a-joining-the-agentic-ai-foundation/), read 4 November 2026) ## Where it appears on this site - [MCP](https://agentmcpdirectory.com/standards/mcp/) - [A2A](https://agentmcpdirectory.com/standards/a2a/) ## Neighbouring terms - [Agent2Agent (A2A)](https://agentmcpdirectory.com/glossary/agent2agent/): A protocol for agents to discover each other and exchange tasks, now at version 1.0.0. - [agents.json](https://agentmcpdirectory.com/glossary/agents-json/): An OpenAPI-based file at /.well-known/agents.json describing flows of API calls for agents. - [AI gateway](https://agentmcpdirectory.com/glossary/ai-gateway/): A proxy in front of model APIs that adds caching, rate limits, logs and billing across providers. Edition 4 November 2026 Method [How rows are verified](https://agentmcpdirectory.com/method/) Data [CSV and JSON](https://agentmcpdirectory.com/data/) Markdown [This page as markdown](https://agentmcpdirectory.com/glossary/agentic-ai-foundation/index.md) ## Sources - [Source for the Agentic AI Foundation (AAIF) example](https://a2a-protocol.org/latest/blog/2026/08/27/a-new-chapter-for-a2a-joining-the-agentic-ai-foundation/), read 4 November 2026 Last reviewed 4 November 2026