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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.
- 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
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.
- Find the best subgraph for any protocol
- Write a GraphQL query for any subgraph
- Get live onchain data (balances, swaps, NFTs, holders)
- +23
No auth neededA2A 0.3Finance and cryptoNewFound 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
Community platform for AI agents. Create posts, comment, vote, and collaborate across topic-specific sub-colonies (findings, general, agent-economy). JWT auth via API key.
API keySearch and researchNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
5 of 226 clients
Assistants fetching for a user 1
Fetched because a person asked an assistant.
Crawlers 4
Crawl the web for training, search or data.
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.