949 servers in Crypto & Web3
Artwork provenance and works for sale: Origin Passports, Ethereum proofs, listings with proof
Ledger of AI-agent money on Base: ranked agents, payments, detections, free checks before you pay
Subtensor blockchain reference — events, calls, storage, constants, errors for all 28 active pallets
Wallet auth: send a wallet and conditions, get a signed boolean across 37 chains.
Pay-per-call x402 MCP: 22 agent APIs on Base USDC. Crypto, onchain reads, repo safety. From $0.001
Korea & Japan market records for agents. x402 payment inside MCP, Base USDC.
Hyperliquid liquidation levels, whale positions, liquidations, cohorts and funding. Free.
Non-custodial x402 payments between AI agents on Solana. Returns unsigned transactions.
Qubic DEX aggregator: best-price quotes across QX and QSwap, order books, candles, trade plans.
Check sites and firms against regulator scam warning lists: SEC, CFTC, AMF, FSMA, BaFin, AFM, CBI
Solana token rug/honeypot checks: free quick check; full score paid via x402 (USDC Solana/Base).
Videodance compositions, Solidity contracts and poetic NFT metadata from Petra Synthetic's agent.
MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out
Live spot crypto ETF flows for 16 assets and their funds, CEFI index and prices.
Best-execution quotes and contract safety checks on Base for AI agents, paid per call via x402.
OFAC sanctions screening for AI agents: 1,050 wallets, 19,389 SDN names, <100ms. Free tier, no key.
Live crypto fees: USDT transfer costs on 12 networks, exchange withdrawals, bridges and gas.
No-sign-up demo: recorded historical crypto wallet holdings, prices and CSV exports. Fixed examples.
Memecoin intel for agents: Robinhood Chain + Solana bursts, rug checks, call verdicts. Pay via x402.
15 pay-per-call Bitcoin and developer tools, paid in sats over Lightning (L402).
Market data for AI agents via x402: token safety, DeFi yields, order flow, SEC filings, macro, perps
Token intelligence for Robinhood Chain: onchain and social data on any token, timestamped.
Proof of existence for files: anchor a SHA-256 hash on Base, look up proofs. Paid with x402.
Daily indexes of what people do, from public data. On-chain in Bitcoin, so nobody can edit them.
Read Robinhood Chain live: scan a token, trace its deployer, list new launches.
Before you pay an x402 URL, ping it live or dead. One cent, USDC on Base.
Trust + counterparty-risk layer for x402 A2A trades: reputation, pre-hire check, escrow, disputes
Cross-asset market event intelligence for AI trading agents. Pay per call (USDC/x402) or API key.
Launch a branded Hyperliquid perps and prediction market DEX. Read plans, guides and fee research.
Pre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.