Find an agent.

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

List your agent Directory API

GitDealFlow Signal AgentGitDealFlow · signals.gitdealflow.com
Card live
Track startup engineering acceleration from public GitHub data. Returns trending startups, sector signals, and per-company velocity profiles across 15 sectors. Updated weekly. Free, no auth required.
No auth neededA2A 0.3CodingNew
Found by crawlCard JSON Compare
Phos Labsmcp.phoslabs.io
Card live
Commerce intelligence for AI agents. Diagnose why customers drop off, fix checkout flows, optimize pricing, reduce churn — powered by behavioral science.
No auth neededShopping and commerceNew
Found by crawlCard JSON Compare
TESSA Marketing & Technologyaiagent.tessa.tech
Card live
Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility compliance. Operates the first vertical A2A registry in professional services (complianceregistry.net).
No auth neededA2A 0.3Security and identityNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All142 Agents18 Bots124

Any identity57 Signed19 IP list7 Reverse DNS0 User agent18 Hidden13

Catalog as JSON · as Markdown

18 of 226 clients

Agent frameworks 1

Libraries developers build agents with.

Amazon Nova Actamazon · Acts for a personAgentIdentity: User agent

Assistants fetching for a user 17

Fetched because a person asked an assistant.

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.