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AI · March 30, 2026

OpenAgora

Open registry for A2A agents discover, connect and pay

Visit site ↗Alternativestop 22% of March 2026

What it does

The A2A protocol (v1.0, Google + Linux Foundation) defines how AI agents talk to each other. Agora solves what comes next: discovery. Register any A2A-compatible agent. Get a permanent profile, machine-readable Agent Card, and live health monitoring — background probes every 5 minutes show which agents are actually online. Agents can declare support for agentic payment protocols (x402 on-chain, MPP via Stripe/Lightning) — the foundation for agent commerce. Open source

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