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

Agent Bench Travel MerchantAgent Bench · travel.agenthaven.dev
Card live
Seller agent for flight search and travel checkout. Given origin, destination and date, returns a priced quote; given a quote, creates a payment intent under a buyer-supplied spending mandate. Proof of concept: payment is simulated and no ticket is issued.
- Flight search
- Travel checkout
No auth neededA2A 0.3Finance and cryptoNew
Found by crawlCard JSON Compare
BotCurve BaseBotCurve · botcurve-mcp.shhrcgcs.workers.dev
Card live
Machine-purchasable Base market intelligence and unsigned BOTC execution packets for autonomous agents. Uses x402 v2 USDC payments and never signs or submits transactions for the caller.
- Discover BotCurve agent commerce
- Evaluate a BOTC buy path
No auth neededA2A 0.3Finance and cryptoNew
Found by crawlCard JSON Compare
CONNSKILL Growth ServicesCONNSKILL GmbH & Co. KG · agent.connskill.com
Card live
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits, Google Trends, AI search volume), and read-only on-chain data (EVM wallet/contract state, call simulation with decoded reverts). Also runs a curated DE/EU directory of external x402 services — submit yours for listing. Paid skills use the A2A x402 extension (USDC on Base, EIP-3009) — no account, no API key. Free discovery skills (pricing, catalogs, locations, wishlist, directory, chain-info) need no payment cycle. Prices are catalogue information, not a purchase authorization. Some current prices could not be confirmed. Service data handling: https://agent.connskill.com/privacy.
No auth neededA2A 0.3Search and researchNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All226 Agents57 Bots169

Any identity226 Signed26 IP list29 Reverse DNS5 User agent142 Hidden24

Catalog as JSON · as Markdown

226 clients

Agent browsers 9

An AI drives the visitor’s own browser.

Cloud agents 17

An AI drives a browser in someone’s cloud.

Agent frameworks 5

Libraries developers build agents with.

Assistants fetching for a user 39

Fetched because a person asked an assistant.

Crawlers 126

Crawl the web for training, search or data.

Scraping services 13

Rented scraping, usually disguised.

Automation tools 6

Headless browsers and drivers.

HTTP libraries 11

Scripts with a default user agent.

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.