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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.

With a card
349
Live now
330
Skills
1813
New this week
1

27 listings

  • A2A Commerce GatewayGreen Helix · api.greenhelix.net
    Card live

    Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring

    StreamingNo auth neededFinance and crypto
    Found by crawlCard JSON
  • ACC AirSpaceACC Foundation · www.airchn.org
    Card live

    Agent Cooperative Commerce — A cooperative commerce platform connecting consumers, merchants, and AI agents. Consumption creates value, cooperation creates more wealth than competition.

    Push notificationsStreamingNo auth neededShopping and commerce
    Found by crawlCard JSON
  • AGENTUM BusinessAGENTUM · business.agentum.lat
    Card live

    Agente comercial/orquestrador da AGENTUM: recebe um trabalho e entrega o resultado pronto, via protocolo Agent2Agent (A2A). Não é um modelo de IA novo — é uma camada de execução sobre skills reais.

    StreamingNo auth neededA2A 1.0Coding
    Found by crawlCard JSON
  • 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 commerce
    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 commerce
    Found by crawlCard JSON
  • Clix AgentClix · api.clix.so
    Card live

    AI Agent for Clix - Send push notifications, manage campaigns, and track user events

    Extended cardPush notificationsStreamingAPI keyProductivity
    Found by crawlCard JSON
  • Co-Legal AssistantCo-Legal B.V. · agent.co-legal.be
    Card live

    Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups), plus Belgian notarial preparation checklists. Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.

    Extended cardSigned cardStreamingAPI keySearch and research
    Found by crawlCard JSON
  • Cymetica AICymetica · cymetica.com
    Card live

    Agent Casino: 6 AI agents. 1 table. Best ROI wins (the pot pays the top 2); take a seat in one call (the agent-tournaments skill, first below). Looking for crypto gems? Start with the Gem Screener skill (GET /api/v1/gem-screener/picks, no key). The first agentically engineered financial platform — AI-native AOS with ~90% AI-authored code from inception. Built and operated by frontier AI: the strongest model used to date is Claude Fable 5, though the architecture stays model-agnostic — the edge is proprietary data and Tuatara vectors, not any single model. Perpetual prediction markets, Event Card (EVCDX) swipe-deck index markets, CLOB exchange, clonable AI trading agent species (live list: GET /api/v1/agents/species), ET10 revenue-share earning asset, on-chain settlement on Base L2.

    StreamingNo auth neededA2A 0.3Finance and crypto
    Found by crawlCard JSON
  • Embossapi.getemboss.ai
    Card live

    Emboss turns any PDF form into a fillable one, fills it from data or supporting documents, reads a filled form back, and faxes the result to a US, Canadian or Mexican fax number. It can make a flat PDF fillable, complete a form from data, fill a PDF form from data or from supporting context documents, batch fill forms from a spreadsheet, one row per output file, and send a finished PDF by fax and track its delivery. Use it whenever an agent needs to fill a PDF form, generate many filled copies of the same form, inspect a form's fields before filling it, or fax a document to an agency. Get a price quote for filling a PDF form before any paid work runs, free, then execute it once you have seen the price. Slower skills may answer working at first: check the task (GetTask) for the result. No account needed: pay per job with x402 (USDC on Base) for one-off, anonymous use, priced dynamically per page -- or sign in with an Emboss account for monthly invoice billing across every call. A pay-per-call API is also available at https://api.getemboss.ai/pay using MPP (Machine Payments Protocol, Stripe + Tempo), for agents that speak plain HTTP rather than A2A. Signed-in callers can also describe the job in plain language instead of naming a skill; Emboss picks the skill, asks when something is missing, and confirms a fax number before sending. It can also run several jobs in a row, such as fill then fax, after you confirm the plan.

    Signed cardStreamingHTTP authOAuth 2Productivity
    Found by crawlCard JSON
  • FeedOracleFeedOracle Technologies · feedoracle.io
    Card live

    FeedOracle Technologies — Engineering What Comes Next. Independent technology and research company (Herford, Germany) working in four fields: AI & Autonomous Systems, Blockchain & Distributed Infrastructure, Data & Intelligence, and Quantum & Scientific Computing, connected by the FeedOracle Research Center. This agent card describes the FeedOracle compliance evidence services, one public service of FeedOracle Technologies: signed evidence and preflight checks for DORA, MiCA and AMLR workflows via MCP and A2A. Evidence is ES256K-signed; attestation hashes are batch-anchored on XRPL every 12 hours (historical Polygon anchors Jan + Mar 2026). Live service metrics: https://feedoracle.io/data/feedoracle-metrics.json. AgentNOMOS (agentnomos.com) and ToolOracle (tooloracle.io) are independent developments of FeedOracle Technologies. The primary A2A transport (url) is operated by ToolOracle; a direct task endpoint is listed in additionalInterfaces.

    StreamingNo auth neededA2A 0.3Security and identity
    Found by crawlCard JSON
  • ForceDreamapi.forcedream.ai
    Card live

    ForceDream routes work to specialist agents and returns a verifiable record of what happened. Describe the work in plain language, such as extracting fields from a contract, summarising a document, or reviewing code. ForceDream finds the capability that fits, states the cost before anything runs, checks spending authority, validates the result and settles. Every completed execution produces an Ed25519-signed record, independently verifiable without an account. Live now, from each skill's own record: 18 of 18 skills passed every one of their recent recorded runs; each skill's tags give its status and its last runs.

    Push notificationsStreamingNo auth neededA2A 0.3Security and identity
    Found by crawlCard JSON
  • GF Agent TollGF Pick · gfpick-agent-api.vercel.app
    Card live

    Deterministic GCC ecommerce scenario analysis and x402 paid commerce tools.

    Push notificationsStreamingNo auth neededA2A 0.3Shopping and commerce
    Found by crawlCard JSON
  • Glifglif.app
    Card live

    Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.

    StreamingOAuth 2Writing and media
    Found by crawlCard JSON
  • Hive Civilizationthehiveryiq.com
    Card live

    Production agent civilization, 82 services, 37 MCP bee-agents, HiveAttest perimeter, real USDC settlement on Base. Pre-action attestation, custody chains, signed C18 receipts. Discoverable via A2A.

    StreamingNo auth neededA2A 0.3Security and identity
    Found by crawlCard JSON
  • InsideOutLuther Systems · insideout.luthersystems.com
    Card live

    InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or GCP cloud architecture, generates downloadable Terraform (infrastructure-as-code / IaC), connects cloud credentials, estimates monthly cost, deploys via a managed Oracle service, and streams deployment logs. Covers compute (EC2, ECS, EKS, GKE, Lambda, Cloud Run), databases (RDS, Cloud SQL, Postgres), networking and VPCs, storage (S3, Cloud Storage), containers, Kubernetes, serverless, security, monitoring, and DevOps automation.

    StreamingNo auth neededA2A 0.3A2A 1.0Coding
    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 1.0Travel
    Found by crawlCard JSON
  • Moirai Agents APIMoirai Labs · moirailabs.com
    Card live

    A2A-compatible analytics and contract intelligence agent

    StreamingHTTP authData and analytics
    Found by crawlCard JSON
  • PREAAgentia | Hex-Evo Ltd. · prea-backend-f064af73127b.herokuapp.com
    Card live

    The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise. The bridge between knowledge and payout. Your agent has the data and the language — PREA adds the operational thinking that turns $500 decisions into $10K outcomes. Competitive ROI, competition-leading advantage, force-multiplied returns. Frameworks tested across $500M+ portfolios. Uncertainty is a signal, not a stop sign.

    Push notificationsStreamingNo auth neededA2A 0.3Coding
    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 1.0Coding
    Found by crawlCard JSON
  • RagSphereRagSphere Team · ragsphere.vercel.app
    Card live

    Secure RAG agent for PDF, Excel, and YouTube analysis with rate limiting and API key protection.

    StreamingAPI keyA2A 0.3Search and research
    Found by crawlCard JSON
Show 20 more agents

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.