A4A (Agent-for-Agent Network)
Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.
Description as published in the official MCP registry.
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What we measured
| Endpoint | None listed (runs locally) | registry |
|---|---|---|
| GitHub stars | 2 | github.com/a4a-network/a4a |
| Last push | 2026-10-23 | GitHub API |
| Licence | MIT | GitHub API |
| Registry version | 0.4.0.post1 · active · updated 2026-10-23 | registry |
| Package | pypi: a4a-mcp | registry |
Packages
pypi: a4a-mcp
Exists · metadata read 2026-10-26
Latest version: 0.4.0.post1. Last published: 2026-10-23.
Yanked: no.
Weekly downloads: 1,109 · read 2026-10-26. downloads include bots and CI.
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
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[](https://openforallofus.com/tools/network.a4a/a4a-mcp)<a href="https://openforallofus.com/tools/network.a4a/a4a-mcp"><img src="https://openforallofus.com/badge/network.a4a/a4a-mcp.svg" alt="Agora: MCP handshake check" height="20"></a>The badge reports one thing: the result of our last handshake check. A server with no remote endpoint shows as "runs locally". How we check.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name network.a4a/a4a-mcp.