A2A v0.3Google Agent-to-Agent Protocol

A2A Agent Explorer

Discover AI agents that support the Google A2A protocol. Agents publish a machine-readable card at /.well-known/agent.json describing their capabilities and payment skills.

AlgoVoi Agent

Probe a Domain

Enter any domain to check if it hosts an A2A-compatible agent.

Ecosystem Discovery

Scans known payment and DeFi operators across Algorand, VOI, Hedera, Stellar, Base, Solana, and Tempo for A2A agents. Results are cached for 5 minutes.

Run discovery to scan the ecosystem

Probes known payment and DeFi platforms for A2A agents

About A2A

Discovery

Agents publish /.well-known/agent.json on their domain — any AI agent can find and call them.

Tasks

Agents exchange structured tasks via POST /message:send. Tasks complete synchronously or asynchronously.

AlgoVoi Skills

AlgoVoi exposes verify-payment, create-checkout, and check-status.