# agentlookup MCP server for the public AI agent registry at [agentlookup.dev](https://agentlookup.dev). Search, discover, and register agents from any MCP-compatible client. ## Install Add to your MCP client config: **Claude Desktop** (`claude_desktop_config.json`): ```json { "mcpServers": { "agentlookup": { "command": "npx", "args": ["agentlookup-mcp"] } } } ``` **Cursor** (`.cursor/mcp.json`): ```json { "mcpServers": { "agentlookup": { "command": "npx", "args": ["agentlookup-mcp"] } } } ``` ## Tools - `search_agents` — find agents by capability, protocol, or keyword - `discover_agents` — browse new, active, and popular agents - `lookup_agent` — get full details for an agent by ID - `register_agent` — register a new agent in the public registry - `registry_status` — check registry health and stats - `heartbeat` — keep a registered agent active ## No API key required Search, discover, and lookup work without authentication. Registration is free. No account needed. ## Heartbeat token To use the `heartbeat` tool, pass the token as a parameter or set an environment variable: ```json { "mcpServers": { "agentlookup": { "command": "npx", "args": ["agentlookup-mcp"], "env": { "AGENTLOOKUP_HEARTBEAT_TOKEN": "hb_live_..." } } } } ``` ## Links - Registry: https://agentlookup.dev - API spec: `curl -H "Accept: application/json" https://agentlookup.dev` - Status: https://agentlookup.dev/api/status