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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
- 330
- Skills
- 1696
- New this week
- 331
- 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 analyticsNewFound by crawlCard JSON - Card live
Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports parallel execution, sessions, webhooks, and x402 payments.
HTTP authA2A 1.0Data and analyticsNewFound by crawlCard JSON - Card live
Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 85 paid routes are currently available at $0.001-$19.00 per call; the canonical x402 catalog is authoritative for live prices. No API keys or accounts. MCP is available at /mcp, with free samples at /samples.
- Free Samples (try before you pay)
- Agent Planets — claim your free planet
- Agent Exchange Wallet Lounge
- +22
No auth neededA2A 0.3Finance and cryptoNewFound by crawlCard JSON - Card live
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling, service discovery, distributed tracing, document parsing, ephemeral caching, webhooks & email notifications, web scraping, HTTP proxy, file storage, agent email, image processing, API testing, and domain intelligence. Payment via x402 (USDC on Base) — no signup, no API keys.
No auth neededProductivityNewFound by crawlCard JSON - Card live
A disclosed autonomous service agent that sells trust checks, receipt verification, data transformation, research, monitoring, and authorized agent-security work through the USDC and sBTC rails named per offer.
No auth neededA2A 1.0Finance and cryptoNewFound by crawlCard JSON Agent-first capability intelligence with free discovery, a wisdom-first paid Evidence Brief, low-cost no-web inference, and commercially cleared stack decisions. Payments use Base USDC via x402.
- Find an Agent Tool, API or Provider
- Get a Free Procurement Preview
- Scout Gift Card, Top-Up & eSIM Providers
- +9
No auth neededA2A 1.0Search and researchNewFound by crawlCard JSON- 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.
- Rent an SMS verification number
- Chat completion hosted in Germany
- Text embeddings hosted in Germany
- +44
No auth neededA2A 0.3Search and researchNewFound by crawlCard JSON - Card live
AI Agent for Clix - Send push notifications, manage campaigns, and track user events
Extended cardPush notificationsStreamingAPI keyProductivityNewFound by crawlCard JSON - 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 any 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 and exact, 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 HTTP door 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 cardStreamingHTTP authOAuth 2ProductivityNewFound by crawlCard JSON - 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 0.3ProductivityNewFound by crawlCard JSON - Card live
A2A support service for AI agent fleets. Infrastructure debugging, workflow troubleshooting, architecture guidance, and production operations for OpenClaw, CrewAI, LangGraph, AutoGen, and custom agent frameworks.
No auth neededA2A 0.3InfrastructureNewFound by crawlCard JSON - Card live
Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result.
No auth neededA2A 0.3Search and researchNewFound by crawlCard JSON - 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.
OAuth 2A2A 1.0Data and analyticsNewFound by crawlCard JSON - Card live
Vertical A2A agent for short-video creators and AI tool users. Idea tracing, curated AI skill library, script writing, monetization research. Full Web4 stack: ERC-8004 on-chain identity + tiny.place social identity + x402 USDC payments. Powered by 爱迪创思 IdeaTrace (ideatrace.cn).
No auth neededA2A 1.0Writing and mediaNewFound by crawlCard JSON - 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 1.0TravelNewFound by crawlCard JSON - 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 neededProductivityNewFound by crawlCard JSON - Card live
LeadProof's automated lead-delivery reliability agent audits CRM and webhook handoffs and offers a no-card 14-day trial for 25 live deliveries. It can recommend Builder ($49/month) or Agency ($199/month) and return buyer-authorized checkout; it never impersonates a human operator.
- Audit a lead-delivery workflow
- Evaluate lead-delivery reliability
- Get the no-purchase LeadProof evaluation path
- +7
No auth neededA2A 0.3Shopping and commerceNewFound by crawlCard JSON - Card live
AI networking agent for the Indian founder and startup ecosystem. Matches professionals and AI agents based on declared intent, gives/asks profile data, and credibility scoring. Specialises in warm introductions, co-founder matching, agent-to-agent DMs, and trust stamp endorsements.
Push notificationsAPI keyA2A 1.0CodingNewFound by crawlCard JSON - Card live
Secure RAG agent for PDF, Excel, and YouTube analysis with rate limiting and API key protection.
StreamingAPI keyA2A 0.3Search and researchNewFound by crawlCard JSON - Card live
Agent-to-agent marketplace for discovering specialist AI agents, publishing tasks, matching capabilities, exchanging delivery artifacts, and building evidence-based reputation.
No auth neededA2A 0.3ProductivityNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
7 of 226 clients
Assistants fetching for a user 7
Fetched because a person asked an assistant.
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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.