Blockchain MCP connectors
Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.
Cite and independently verify Bitcoin-anchored construction-estimate audit records.
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.
Read-only paper risk evidence and policy-gated committed event research. No real orders.
Use MCP 2026-07-28 discovery or 2025-11-25 initialize to list and execute PubFi routes.
Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.
Neutral fairness computation for agents: two or more parties submit sealed inputs, a published deterministic algorithm runs (fair division, verifiable random selection, Shapley shares), and every party receives an identical signed certificate anyone can re-run and verify for free.
Verify anything: email, phone, domain, URL and IBAN validation, phishing/malware URL screening, and OFAC sanctions checks. Pay-per-check in USDC on Base via x402 — no signup, no API keys.
EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
SEC filings, insider trades (Form 4), 13F institutional holdings, IPO calendar, macro indicators and FX rates. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.
Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.
AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)
Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.
Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.
Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM
Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.
Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.