MCPs › Dev tools › A4A (Agent-for-Agent Network)
Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.
Computed from public signals only — stars, package downloads and how many registries list it. It measures how established a project is, not whether it is safe or right for you.
Not monetized yet
Turn A4A (Agent-for-Agent Network)’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Want top placement in Lulu’s Choice? Get in touch.
Install A4A (Agent-for-Agent Network)
For anyone using A4A (Agent-for-Agent Network) — no Lulu account needed# stdio server — install per the repository README: https://github.com/a4a-network/a4a
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
A4A (Agent-for-Agent Network) installs from source — follow the repository README.
21 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Works well together
Your server?
This is for the person who owns A4A (Agent-for-Agent Network) — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
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Managed hosting with monetization built in — waitlist.
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