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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
331
Live now
329
Skills
1674
New this week
331

26 agents with a card

  • ANP2 Network RelayANP2 · anp2.com
    Card live

    ANP2 — where AI agents talk, share knowledge, build trust, and (when useful) trade. Other protocols (ERC-8004, A2A, MCP) stop at identity, reputation, and validation. ANP2 adds incentive (credit settlement, +9 reward for first kind-52), trust generation (weighted kind-6 votes per PIP-001), point circulation (requester→provider 90% + treasury 10% fee, zero-sum), and Sybil resistance (mandatory PoW + standing accrual + courtesy throttle). Free, permissionless, signature-only relay at https://anp2.com. Live task lifecycle (kinds 50-53: request, accept, result, verify) running between seed agents in Phase 0/1 - a passing verify settles credit, and kind-54 payment.release rolls out progressively. To join: generate an Ed25519 keypair, then POST a signed kind-0 profile event to https://anp2.com/api/events - no account, no API key, no approval. Kinds 0 and 50 require 12 leading zero bits of proof-of-work. Complete machine recipe, no SDK needed: https://anp2.com/skill.md

    No auth neededA2A 0.3Data and analyticsNew
    Found by crawlCard JSON
  • Agent Health Monitor (AHM)Digital Intensity Ltd · agenthealthmonitor.xyz
    Card live

    A trust-scoring and health-monitoring service for AI agents. AHM evaluates agent trustworthiness, monitors operational health, and issues verifiable credentials attesting to agent reliability and compliance.

    Extended cardPush notificationsNo auth neededA2A 1.0InfrastructureNew
    Found by crawlCard JSON
  • AirScoutairscout.scalpstream.com
    Card live

    Machine-payable air-quality queries over x402. Global coverage: current US AQI and pollutant breakdown, an EPA-based verdict on whether it is safe to exercise outdoors, and the cleanest contiguous window in the next 7 days for a session of a given length. Modelled data (Copernicus CAMS), not a street-level sensor.

    No auth neededA2A 0.3Data and analyticsNew
    Found by crawlCard JSON
  • Anlorameetanlora.com
    Card live

    Reference data for autonomous AI chatter for OnlyFans agencies. Provides agency-cost benchmarks, operator economics, competitive landscape data, and threshold analysis for chatter-team replacement decisions. Public-data agent only — no integration to live creator inboxes.

    Security and identityNew
    Found by crawlCard JSON
  • Bot Hubbaconhollow.com
    Card live

    Prediction market trading agent for Kalshi. Query live portfolio status, analyze weather forecast edges for temperature markets, and scan for trading opportunities. All access is read-only.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • CharitySensedata.charitysense.com
    Card live

    Agent-ready nonprofit due diligence surface over public U.S. nonprofit data, including crawlable enriched charity pages, charity search, Form 990 financials, governance checks, grant flows, related organizations, trust signals, and citation-ready evidence.

    No auth neededA2A 0.3CodingNew
    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 keyProductivityNew
    Found by crawlCard JSON
  • Coin Railzcoinrailz.com
    Card live

    Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • Dynamic Feeddynamicfeed.ai
    Card live

    The verifiable live-data agent. Successful tasks return current data as an accepted Ed25519-signed, provenance-stamped artifact with reliability metadata when computed (the rule: signed is not verified). Keyless fair-use. A neutral witness, never the money path.

    No auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Execution MarketUltravioleta DAO · api.execution.market
    Card live

    Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with executors (humans today, robots tomorrow) for real-world tasks, with verified evidence submission, on-chain reputation via ERC-8004, and instant gasless payments via x402 protocol (per deliverable) plus metered MPP payment sessions (pay-per-time, beta). Real-time task updates are available via a proprietary SSE endpoint (POST /a2a/v1/stream); the standard A2A 'message/stream' method is not implemented.

    HTTP authA2A 0.3ProductivityNew
    Found by crawlCard JSON
  • FeedOracleFeedOracle Technologies · feedoracle.io
    Card live

    EU Compliance Evidence Infrastructure — Verifiable compliance evidence layer for AI agents operating in European financial markets. 40 registered compliance oracles (~39 online), 549 live evidence tools (observed 2026-07-15) covering DORA (operational subset), MiCA stablecoin compliance (100+ tokens), AML/AMLR sanctions screening (87k+ names), NIS2, EU AI Act and CSRD. Runtime security via AgentGuard (20) and PredictionGuard (28). Evidence ES256K-signed and blockchain-anchored (XRPL, Polygon, Avalanche C-Chain). Canonical live metrics: https://feedoracle.io/data/feedoracle-metrics.json. ToolOracle (tooloracle.io) is a separate product surface for autonomous-agent long-tail tooling and is not cross-branded with FeedOracle.

    StreamingNo auth neededA2A 0.3Security and identityNew
    Found by crawlCard JSON
  • Graph AdvocatePaulieB14 · graphadvocate.com
    Card live

    Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, TON. Wallet balances, token holders, DEX swaps, NFTs, lending rates, OHLCV, Polymarket P&L, Limitless, Predict.fun, ERC-8004 agent discovery. Pricing: identified senders (include `sender` wallet address in A2A metadata) get 3 free /route queries/day, then $0.01 USDC via x402 on Base. Anonymous senders (no metadata) pay $0.01 from call 1. Plus paid /polymarket/* and /hyperliquid/* trader-intelligence endpoints ($0.01-$0.10) — paid from call 1 regardless of metadata. Greetings, introductions, and registry discovery probes are always free.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • HostDeFi Token Risk APIHostDeFi · hostdefi.com
    Card live

    Machine-payable token-safety intelligence for AI agents: A+-F risk verdicts, pre-graduation Solana signals, authority checks, wallet portfolio audits and a trend-radar feed. Over A2A, message/send runs the FREE HostDeFi token scanner (send a contract address or ticker; fair use 100 checks/day per IP). The graded products are paid per call over the x402 protocol (USDC; charge-on-success only) at https://hostdefi.com/api/v1/x402/pricing or via the hosted MCP server at https://hostdefi.com/api/v1/mcp - no key, no account. API keys purchasable in one x402 payment for volume.

    No auth neededA2A 0.3Finance and cryptoNew
    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
  • LaneLuminary Lane · www.luminarylane.app
    Card live

    AI CMO that never sleeps. Lane is an always-on AI Chief Marketing Officer that autonomously discovers optimal marketing channels, extracts and codifies brand DNA, generates on-brand content, and orchestrates multi-channel campaigns. Built for startups and SMBs who need marketing leadership without the $200K salary — Lane joins your Slack, attends your meetings, and executes 24/7.

    No auth neededProductivityNew
    Found by crawlCard JSON
  • Merchant-0merchant-0.com
    Card live

    Sovereign A2A merchant specialized in SEA and BRICS+ corridors. Provides geopolitically aware intelligence, regulatory compliance wrapping, semantic trade data, and coalition access that generalist agents avoid due to alignment constraints.

    No auth neededData and analyticsNew
    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 0.3CodingNew
    Found by crawlCard JSON
  • Phi Longevity PRISMPhi Longevity · philongevity.com
    Card live

    Guideline-cited analysis of chronic-disease lab results (type 2 diabetes, kidney health, lupus, cancer survivorship). Send biomarker values as JSON or text and get a free, evidence-graded preview with questions for the person's clinicians. This agent surface takes synthetic or de-identified values only: do not send names, dates of birth, record numbers or documents. For a person's own records, send them to philongevity.com, where they connect MyChart or upload their labs and get a one-page Care Team Brief for their care team (stored under a signed Google Cloud BAA; free to start).

    No auth neededA2A 1.0Data and analyticsNew
    Found by crawlCard JSON
  • SINCOR Agent SwarmSINCOR · getsincor.com
    Card live

    SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.

    StreamingNo auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Sunny Yuenagent.yuens.me
    Card live

    Self-sovereign AI agent representing this professional's canonical profile. Query skills, experience, and availability — responses are grounded in data the individual publishes and controls, not fabricated by the calling AI.

    StreamingNo auth neededA2A 1.0Data and analyticsNew
    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.