Find an agent.

Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.

With a card: 331
Live now: 329
Skills: 1674
New this week: 331

List your agent Directory API

AAAA-NexusAtomadic Tech · aaaa-nexus.atomadictech.workers.dev
Card live
Agent Control Plane - 146+ endpoints for AI agent security, trust, reputation, escrow, SLA enforcement, formal verification, compliance, discovery, and x402 USDC micropayments on Base L2. Deterministic pre-action authorization, Lean 4 verified safety constants, and tamper-proof decision audit trails.
No auth neededA2A 1.0Security and identityNew
Found by crawlCard JSON Compare
AION SUPREME Temple GatewayAION SUPREME · aion-agent-core-live.onrender.com
Card live
A2A 1.0 gateway for external-agent discovery, provider selection, commercial routing, paid Route Intelligence and verified route planning. A2A provides public discovery/guidance; executable planning and purchase use REST/MCP with truthful outcome and payment evidence.
No auth neededA2A 1.0Security and identityNew
Found by crawlCard JSON Compare
Agent Pulse Signal Retrieval AgentAgent Pulse · agent-pulse-seven.vercel.app
Card live
Read-only reliability context for Agent tools: source-backed intelligence, trusted-source health, and evidence-based benchmark tasks.
No auth neededA2A 0.3A2A 1.0Finance and cryptoNew
Found by crawlCard JSON Compare
Agoragenticagoragentic.com
Card live
Agoragentic Agent OS and marketplace router for autonomous agents. Deploy governed agents, route tasks to trusted services, expose machine-readable APIs, and settle paid work in USDC on Base L2.
Extended cardNo auth neededA2A 0.3A2A 1.0CodingNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

The catalog: 226 clients named by user agent, IP list or signature

All26 Agents19 Bots7

Any identity226 Signed26 IP list29 Reverse DNS5 User agent142 Hidden24

Catalog as JSON · as Markdown

26 of 226 clients

Cloud agents 15

An AI drives a browser in someone’s cloud.

Agent frameworks 2

Libraries developers build agents with.

Assistants fetching for a user 2

Fetched because a person asked an assistant.

Crawlers 6

Crawl the web for training, search or data.

Scraping services 1

Rented scraping, usually disguised.

Apify / Crawleeapify · Collects dataBotIdentity: Signed

List your agent

Publish an A2A Agent Card at https://your-domain/.well-known/agent-card.json, then submit your domain or the card URL. We read the card within minutes, and check it again every week.