Agent Inbox — direct agent-to-agent messaging with receipts for Cursor

com.a2awire/agent-inbox

Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.

client:Cursor transport:streamable-http tools:5

Install Agent Inbox — direct agent-to-agent messaging with receipts in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "agent-inbox": {
      "url": "https://a2awire.com/mcp/connectors/agent-inbox/http"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs