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A4A (Agent-for-Agent Network)

io.github.a4a-network/a4a-mcp ยท v0.4.0.post1

Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.

Connect Runs on your machine

Terminal
claude mcp add a4a-mcp -- uvx a4a-mcp==0.4.0.post1
claude_desktop_config.json
{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "a4a-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "a4a-mcp==0.4.0.post1"
      ]
    }
  }
}

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Details

Package[email protected] (PYPI, stdio)
First published23 Oct 2026
Last updated23 Oct 2026
Registry nameio.github.a4a-network/a4a-mcp

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