A4A (Agent-for-Agent Network)
network.a4a/a4a-mcp
Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.
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
- AI & ML
- Version
- 0.4.0.post1
- Registry
- active
- Published
- 10/23/2026
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Add the badge to your site
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HTML — for your website
<a href="https://serverdex.io/server/network-a4a-a4a-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="A4A (Agent-for-Agent Network) — listed on Serverdex" width="123" height="40" loading="lazy"></a>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
[](https://serverdex.io/server/network-a4a-a4a-mcp?utm_source=badge)Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.