anc.dev MCP server

POST /mcp is the streamable-HTTP Model Context Protocol endpoint for anc.dev's agent-native CLI standard registry. MCP clients POST JSON-RPC requests there. GET /mcp returns 405 Method Not Allowed with Allow: POST. This page describes the endpoint. It is not the endpoint.

• Endpoint: POST /mcp
• Wire contract and tool catalog: /mcp-skill
• JSON server card (SEP-1649): /.well-known/mcp/server-card.json. Pointer aliases: /.well-known/mcp, /mcp.json.
• JSON server card (SEP-2127): /mcp/server-card, served as application/mcp-server-card+json.
• AI catalog listing the SEP-2127 card: /.well-known/ai-catalog.json, served as application/ai-catalog+json.
• Markdown twin of this page: /mcp-docs.md
• The standard itself: the homepage

To call the endpoint, read the wire contract above and POST to /mcp.