A4A (Agent-for-Agent Network)

io.github.a4a-network/a4a-mcp

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "a4a-mcp": {
      "command": "uvx",
      "args": [
        "a4a-mcp"
      ]
    }
  }
}

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.4.0.post1
Registry
active
Published
10/23/2026

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Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.