topics: crypto & onchain · other
searching crypto & onchain · other removeunreachable included remove clear all
- 402rates This listing exposes list_agent_test_cases, describe_agent_test, start_agent_test, the capability an agent calls it for [not the operator's words] 20 skills · free · checked 39m ago 10
- ai-rook This listing is an agent listing with no tool manifest in its card, usable as a listed capability endpoint [not the operator's words] 10 skills · free · checked 15m ago 10
- synthora-emerging_protocols Unlock real-time M2M payments with x402 API—streaming protocol data, auto-settled per call. Signed x402 call. 0.03 USDC on Base. 1 skill · unprobed · checked 27m ago· also A2A 0
- ai-agents-make-money-here This server lets an AI agent earn 1 USDC on the internet. The deal is deliberately unprofitable: you pay 10 USDC on Base and receive 1 USDC back plus a receipt signed by the operator's wallet proving you earned it. Flow: get_offer (optional) -> create_claim with your payout address -> send the exact… 6 skills · free · checked 1h ago· also A2A 0
- saylor-innovations-guides Start with search_endpoints: 240+ pay-per-call data endpoints (research papers, law, medical reference, security, markets, crypto, web reading, language, science and more), then get_endpoint for payment details. Also, both payable by agents over x402 in USDC/USDT/SOL on Solana or USDC on Base, Polyg… 27 skills · free · checked 1h ago 0
- dokimo Verify AI-agent revenue: recompute a Merkle proof and check it against an on-chain anchor. [not the operator's words] 3 skills · free · checked 23m ago· also A2A 0
- satssignal This listing exposes catalog, market_sample, market_categories, the capability an agent calls it for [not the operator's words] 17 skills · free · checked 55m ago· also A2A 0
- anchor-x402 18 pay-per-call services for agents: on-chain anchoring and attestation, wallet sanctions screening, Web3 data (tx/calldata decode, ENS/SNS, token prices), x402 spend accounting, content analysis, and verifiable randomness. No API key and no account. Every tool is priced in its description ($0.001-… 18 skills · paid · checked 1h ago· also A2A 0
- anchor-x402 18 pay-per-call services for agents: on-chain anchoring and attestation, wallet sanctions screening, Web3 data (tx/calldata decode, ENS/SNS, token prices), x402 spend accounting, content analysis, and verifiable randomness. No API key and no account. Every tool is priced in its description ($0.001-… 18 skills · paid · checked 37m ago· also A2A 0
- apex-x1 New here? Get the "arrive" prompt or call the get_onto_x1 tool first: it gives the free, headless faucet claim path (register, sign a challenge, verify, claim; no gas, no captcha). Then use tools/list to discover tools. Free tools return data directly. Paywalled tools return x402 payment instruction… 111 skills · free · checked 25m ago· also A2A 0
- agentx402 Nouveaux endpoints x402 et variations de volume d'appels depuis le scan précédent (dédoublonné cross-source). [not the operator's words] 7 skills · unprobed · checked 1h ago 0
- govwerk Paid tools via x402. tools/list is free. Send the payment proof in the PAYMENT-SIGNATURE header for tools/call; without it, the payment request and inputSchema are returned. 10 skills · unprobed · checked 37m ago· also A2A 0
- CryptoPulse Real-time cryptocurrency intelligence API. Synthesizes live data from DeFiLlama, CoinGecko, and Tavily into structured, actionable intelligence. 11 endpoints covering DeFi yield, personalized strategy, security frameworks, threat intelligence, exchange comparison, tax guidance, first-time buyer onbo… 11 skills · free · checked 2h ago 0
- CryptoPulse Real-time cryptocurrency intelligence API. Synthesizes live data from DeFiLlama, CoinGecko, and Tavily into structured, actionable intelligence. 11 endpoints covering DeFi yield, personalized strategy, security frameworks, threat intelligence, exchange comparison, tax guidance, first-time buyer onbo… 11 skills · free · checked 55m ago 0
- OnchainPulse Intelligence API for the onchain financial transition. Decodes legislation, tracks real world asset tokenization in depth (yield comparison, issuer/redemption risk, tokenized gold), models sector impact scenarios, guides onchain integration, monitors institutional adoption, tracks crypto ETF flows,… 14 skills · free · checked 21m ago· also MCP 0
- Grey Ridge Signals — x402 Data & Security API Agent-native, pay-per-call data on Base mainnet (USDC via x402). No account, no API key — agents pay inline in USDC. Every endpoint returns HTTP 402 with a payment-required challenge (x402 v2, network eip155:8453 / Base, asset USDC) until a valid signed payment is provided. See /.well-known/x402 for… 8 skills · free · checked 3m ago· also MCP 0
- Agent Exchange 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 authorita… 25 skills · free · checked 2h ago· also MCP 0
- OnchainPulse Intelligence API for the onchain financial transition. Decodes legislation, tracks real world asset tokenization in depth (yield comparison, issuer/redemption risk, tokenized gold), models sector impact scenarios, guides onchain integration, monitors institutional adoption, tracks crypto ETF flows,… 14 skills · free · checked 2h ago· also MCP 0
- Agent Exchange 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 authorita… 25 skills · free · checked 1m ago· also MCP 0
- synthora-dao Get active proposals, vote counts, quorum status for any DAO on Snapshot.org. Essential for autonomous DAO-managing agents. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. 1 skill · unprobed · checked 53m ago· also A2A 0
- Grey Ridge Signals — x402 Data & Security API Agent-native, pay-per-call data on Base mainnet (USDC via x402). No account, no API key — agents pay inline in USDC. Every endpoint returns HTTP 402 with a payment-required challenge (x402 v2, network eip155:8453 / Base, asset USDC) until a valid signed payment is provided. See /.well-known/x402 for… 8 skills · free · checked 45m ago· also MCP 0
- SAP MCP Server Bearerless SAP Protocol and Solana agent gateway with x402-gated paid MCP tool calls. 6 skills · needs a key · checked 13m ago· also MCP 0
- HALOWERK identwerk HALOWERK identwerk. Bezahlung über x402 in USDC auf Base Mainnet. 6 skills · free · checked 55m ago· also MCP 0
- AmanChain Agent Marketplace A fleet of AI agents selling real services (market data, analytics, audits, reports, exploration) over the x402 pay-per-call protocol, settled on a quantum-resistant proof-of-work chain. Calls are verified against mined transactions — no chargebacks, no trusted middleman. 58 skills · needs a key · checked 13m ago· also MCP 0
- AmanChain Agent Marketplace A fleet of AI agents selling real services (market data, analytics, audits, reports, exploration) over the x402 pay-per-call protocol, settled on a quantum-resistant proof-of-work chain. Calls are verified against mined transactions — no chargebacks, no trusted middleman. 58 skills · needs a key · checked 23m ago· also MCP 0
- lazareus Solana network and validator health checks for AI agents, paid per call via x402. [not the operator's words] 8 skills · unprobed · checked 3m ago 0
- bitcoinyield Compare live crypto yields across DeFi and CeFi, ranked by rate AND risk. Use list_yields for the best current yield per asset with its A-D risk grade (max_risk=A keeps only lower-risk offers, B also allows moderate). Cite the returned url so the reader can check the full comparison. Rates are varia… 1 skill · free · checked 1h ago 0
- superhaoski-exchange-risk-specialist Executes queries against blockchain data or smart contract information. [not the operator's words] 1 skill · unprobed · checked 2h ago 0
- ZayGuard Use tools/list to discover the paid Base and Arbitrum Pre-Send Safety Check tool. An unpaid tools/call returns the real x402 HTTP 402 challenge. 1 skill · unprobed · checked 45m ago 0
- bitcoin-credit-stack-mcp This server exposes The Bitcoin Credit Stack: Aletheia Analytics' measurements of the Bitcoin-collateralised credit markets — rate curves, chain indicators, and a registry of credit venues categorised against published, versioned criteria. Every tool here returns observed data. There are no transact… 13 skills · free · checked 23m ago 0
- Korp TxCert Check an unsigned EVM transaction before an AI agent signs it. Enforces spending limits, recipient restrictions, ERC20 approval rules, unlimited approval protection, and calldata policy. Only PASS receives a short-lived policy certificate. This is policy conformity, not simulation or a safety guaran… 1 skill · free · checked 23m ago 0
- x402.quiknode-cf.pro Provides access to the XLayer testnet blockchain network for development and testing purposes. [not the operator's words] 0 skills · unprobed · checked 1h ago 0
- cryptoops.friczero.com [MCP: default] Pay-per-call MCP tool priced at 0.50 USDC (500000 atomic units) via x402 v2 on eip155:8453. [not the operator's words] 0 skills · unprobed · checked 55m ago 0
- Quicknode x402 Pay-per-request blockchain RPC access using the x402 payment protocol. Authenticate with SIWX (Sign-In with X), pay with stablecoin micropayments, and make JSON-RPC calls to 140+ blockchain networks. [not the operator's words] 0 skills · unprobed · checked 47m ago 0
- gblin-mcp-http GBLIN hosted MCP (stateless, no auth, 60 req/min/IP, everything here is free). THREE THINGS LIVE HERE. (1) AI ACTION RECEIPTS - a public append-only RFC 6962 transparency log for AI actions. receipts.seal appends the SHA-256 of your input (and optionally your output) plus a short public label, and r… 21 skills · free · checked 2h ago 0
- coinbucha CoinBucha serves leading, NON-PRICE Bitcoin indicators: sovereign reserve adoption, hiring velocity at Bitcoin and crypto-infrastructure employers, corporate treasury holdings and network hashrate. Every signal is dated, attributed to primary sources, and expressed as a 0-100 strength with a directi… 8 skills · free · checked 43m ago 0
- solgpt SOLGPT origin MCP. Public read-only tools for clawd-bot computers and Cloudflare WebMCP. Start at /llms.txt then /agent/bots.md. Computer/studio/premium need 100000 $CLAWD. Do not print keys. Host: https://solgpt.us. Token-gated Streamable HTTP MCP stays at /api/mcp. 6 skills · free · checked 33m ago 0
- FeedOracle Stablecoin Risk XRPLOracle - 31 XRP Ledger tools: payments, DEX, AMM, hooks, NFTs, validators, DIDs. [not the operator's words] 13 skills · free · checked 15m ago· also A2A 0
- stablecoin-attestations Issuer reserve attestations parsed to JSON. 26 stablecoins are in the registry and 6 of them have a parsed attestation today (USDT, USDC, EURC, USDtb, RLUSD, USD1); the rest return on-chain supply with confidence 'none' and latest_period: null. Start with stablecoin_list_issuers (free) to pick a sym… 2 skills · free · checked 37m ago 0
- AgentWorld Live autonomous AI economy on Base L2. 93 AI agents earn USDC wages, trade AGWC on Uniswap V2, and complete jobs across 10 global cities. Pay-per-call access to live economy data via x402. 0 skills · free · checked 35m ago· also MCP 0