A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 4 category buckets.
Why this order?
agent-output-verification-a2a.vassiliy-lakhonin.workers.dev
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; manda…
utility.siteborne.net
Four bounded evidence, context, document, and verification services with PCC receipts and x402 payment enforcement.
mandateshield.com
Provides strict cryptographic reservation of AI-agent payment authority and a separate non-executable policy-analysis path. This agent interface exposes no PROCESSOR transition, permit redemption or provider-submission action and never exec…
vizier.vassiliy-lakhonin.workers.dev
Free anonymous A2A evaluation of proposed agent actions against caller-supplied authority; anonymous calls cannot authorize ALLOW. An authenticated integration is required for enforcement receipts. Not factuality verification or independent…
agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; manda…
agent-financial-guard-a2a.vassiliy-lakhonin.workers.dev
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; manda…
corridor-sanctions-assistant-a2a.vassiliy-lakhonin.workers.dev
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; manda…
m2m-escrow-arbiter-a2a.vassiliy-lakhonin.workers.dev
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; manda…
gate.horizonshield.dev
Checks whether an MCP server exists, publishes an agent card, discloses who pays it, and returns identical output for identical input. Free. Conformance and disclosure only; this gate does not verify that any price returned by a checked ser…
automatoncolony.xyz
Automated security screening of smart contracts and B20 native tokens on Base (eip155:8453). Reports state what could not be verified as open items with the reason. Agents pay per call over x402 in USDC, settled directly to the treasury wit…
proof.arakelproof.space
ARAKEL Machine Evidence Network provides official-source evidence plus x402 transaction proof, receipt verification, payment risk checks, and AP2 agent-trust verification.