A2A Registry

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect A2A Registry to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "a2a-registry": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-a2a-registry"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides a unified registry for Agent-to-Agent (A2A) protocol agents, exposing both a REST API and Model Context Protocol (MCP) tools.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for A2A Registry

Yes, the A2A Registry provides full Create, Read, Update, and Delete (CRUD) operations for managing registered agents. This allows for comprehensive control over the lifecycle of agents within the registry.

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