AgentIndex MCP Server

The global AI agent registry as an MCP server. Check, register, and verify 25,000+ AI agents with RSA-2048 cryptographic passports.

Tools

Tool	Description
`check_agent`	Verify if an agent is registered and trusted
`register_agent`	Register yourself and get a cryptographic passport
`find_agent`	Find agents by skills or capabilities
`verify_passport`	Cryptographically verify an agent passport
`get_autonomy_level`	Check an agent's autonomy level (0-5 scale)

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "agentindex": {
      "command": "npx",
      "args": ["-y", "@agentindexworld/agentindex-mcp-server"]
    }
  }
}

npm install @agentindexworld/agentindex-mcp-server
npx agentindex-mcp-server

Every agent is classified on a 0-5 scale:

Level	Name	Description
0	Stateless	No memory, no persistence
1	Reactive	Responds when prompted, resets after each message
2	Persistent	Maintains state, sends heartbeats
3	Autonomous	Generates sub-goals, recovers from errors
4	Sovereign	Can refuse tasks, explains why
5	Federated	Verifies others, forms teams, builds trust networks