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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.

5 listings

  • BidMachine Ad ExchangeBidMachine · a2a.bidmachine.io
    Card live

    Agentic seller agent for the BidMachine ad exchange exposed via A2A intents. Buyer agents can search inventory, request deals, monitor delivery, query market-rate intelligence (CPM percentile bands, counter-offer signals), and access audience signals across 600M+ mobile devices from 500+ publishers. Backed by BidMachine's open RTB auction (other deal types in roadmap). 14 A2A intents supported with streaming + push notifications.

    StreamingNo auth neededA2A 0.3A2A 1.0Shopping and commerceNew
    Found by crawlCard JSON
  • BuyWherebuywhere.ai
    Card live

    Real-time shopping API and agent-native product catalog for AI agents: 370M+ products from 900,000+ merchants worldwide, with location-aware deliver_to ranking and per-result availability labels.

    StreamingNo auth neededShopping and commerceNew
    Found by crawlCard JSON
  • Get the math-optimal next move in a single-price negotiation, in plain dollars. Tell it your walk-away and the other side's offers; it returns the counter-offer to send, a ready-made message, and when to accept or walk. Validated ~12% better head-to-head (n=20 paired LLM negotiations, 95% CI +6.5-17.4%, p<0.0001). Any counterparty.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • Relm CRMRelm · relmcrm.com
    Card live

    An API-first CRM built for LLMs and AI agents. Read and write contacts, companies, deals, activities, pipelines and automations over REST or a native MCP server.

    HTTP authOAuth 2A2A 0.3ProductivityNew
    Found by crawlCard JSON
  • fetch-pricePOLICYANDPLAY LTD · fetch-price.com
    Card live

    UK product and price search for AI agents. eBay UK is live via the official Browse API; Amazon UK is rolling out. Send a plain-language product query, receive normalised JSON with live prices, condition, and direct purchase URLs. Purchase links are affiliate-tracked — see https://fetch-price.com/privacy.

    No auth neededA2A 1.0Shopping and commerceNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

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

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.

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.