FastAgent

• Built-in name: fast-agent
• Default command: uvx fast-agent-mcp acp
• Upstream: https://fast-agent.ai/acp

acpx fast-agent starts fast-agent through its ACP entrypoint. It requires uvx on PATH.

Configure model/provider settings through fast-agent environment variables, fast-agent configuration, or an acpx agent override with additional fast-agent-mcp acp arguments.