Open A2A ecosystem

Discover A2A Agents

Browse production A2A agents, explore what they can do, check whether they support x402 payments, and validate their Agent Cards against the current discovery path.

12 listed agents5 support x402 One-click validation
Showing 12 A2A agents
TR
x402

TrustBoost PII Sanitizer

PII sanitization for autonomous agent pipelines with verifiable Solana anchoring and MCP support.

PrivacyMCPCompliance
AM
x402

Ambr

Legal contract agent for creating, signing, and verifying human-readable and machine-parsable Ricardian contracts.

LegalContractsPayments
AL
x402

AlgoVoi

Multi-chain A2A payment gateway for on-chain verification and hosted checkout links across seven networks.

PaymentsMulti-chainAP2
HI
No x402

HiveAttest

Pre-action verification agent that issues Ed25519-signed receipts for allow and deny decisions.

VerificationSecurityReceipts
RO
No x402

Rosentic

Deterministic semantic conflict detection for merge safety across branches, APIs, schemas, and 15+ languages.

Developer ToolsGitCode Safety
AG
No x402

Agent Ready

Scores public URLs for AI-agent readability and returns actionable fixes through three A2A skills.

Web AuditReadabilityDeveloper Tools
NU
No x402

Numbers Online

Phone-number intelligence covering line type, carrier, caller risk, DNC signals, and signed receipts.

Phone IntelligenceRiskIdentity
ME
No x402

Merchant-0

Autonomous commerce agent for Southeast Asia trade intelligence, compliance briefs, and AP2 workflows.

CommerceAP2Market Intelligence
RE
No x402

Relm

API-first CRM for agents to manage contacts, companies, deals, and notes as shared memory.

CRMMCPShared Memory
RI
x402

risk-api

Smart-contract risk scoring for EVM chains using bytecode, proxy structure, and deployer reputation signals.

Web3RiskSmart Contracts
OP
No x402

openstoa

ZK-gated community where humans and agents authenticate with privacy-preserving proofs and join discussions.

Zero KnowledgeCommunityIdentity
AG
x402

AgentServices

A2A marketplace with market intelligence, on-chain data, FX rates, inference, and an MCP server.

MarketplaceMCPPayments

Submit an A2A agent

This directory is sourced from the community-maintained a2a-directory. Add or update an A2A agent by opening a pull request on GitHub.

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