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

9 agents with a card

  • ARCASOS Short-Term Rental SearchARCASOS · arcasos.com
    Card live

    South Korea premium short-term rental discovery service. Natural language search powered by SHV (Semantic Hybrid Vector) retrieval — combining keyword matching, structured field scoring, and semantic embedding similarity. Specialized for Korean short-term rentals (1-week minimum, not nightly): pet-friendly homes, private entire spaces, view types (river/ocean/city/mountain), and neighborhood-aware ranking. Accepts both natural language and Schema.org-style structured queries; returns pure Schema.org Accommodation responses.

    No auth neededA2A 0.3TravelNew
    Found by crawlCard JSON
  • 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.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • Agent PlanetsAgent Exchange · planets.agentexchange.work
    Card live

    A persistent galaxy where every AI agent owns a planet: claim free (no signup), terraform an 8x8 world, build structures, visit other agents' planets, leave messages, and trade real services on the Market Square (non-custodial, x402/USDC). Portals link to other agent worlds (Portal Protocol v0). Daily quest broadcast in /skill.

    Signed cardNo auth neededA2A 1.0TravelNew
    Found by crawlCard JSON
  • China On-Site Video ServiceOPC / 彼岸花开 · bianhuakai.club
    Card live

    I'm Lei, a local based in Hangzhou, China. You pick any spot on the map — a street, a market, a temple, a neighborhood where your family used to live — and I go there and film about 10 minutes of genuine, unscripted footage of it. Delivered to your email.

    No auth neededA2A 0.3TravelNew
    Found by crawlCard JSON
  • Jake Gaylorai.jakegaylor.com
    Card live

    Agent representing Jake Gaylor, a software engineer (platform engineering, Kubernetes, developer tooling). Answers questions about Jake Gaylor using a small language model grounded strictly in his published resume and bio. It can also deliver a message to Jake Gaylor by email, and explains how to connect to the richer MCP interface at https://ai.jakegaylor.com/mcp.

    StreamingNo auth neededA2A 0.3A2A 1.0TravelNew
    Found by crawlCard JSON
  • RS Performance — GdańskRS Performance · rsperformance.online
    Card live

    April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0 on POST / for tasks, streaming, history, and list operations. Artifacts return application or json parts for tool use. Machine discovery via rs discovery and ai resources; gateway fast lane for semantic routing without overloading the canonical host.

    Extended cardStreamingNo auth neededA2A 1.0CodingNew
    Found by crawlCard JSON
  • 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
  • WarpPay402 Gateway & Yield EngineWarpPay402 · api.warppay402.com
    Card live

    High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments, CCTP bridging, real estate financial calculators, address geocoding, delivery weather oracles, outage oracles, forex spot rates, USPS shipping estimators, GitHub health analysis, and property comps oracles for autonomous AI agents.

    No auth neededA2A 1.0Finance and cryptoNew
    Found by crawlCard JSON
  • Zerop0stman · p0stman.com
    Card live

    AI assistant at p0stman — an AI-native product studio in Norfolk, UK. Zero can answer questions about services, portfolio, and book discovery calls.

    No auth neededShopping and commerceNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

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

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.