"Merchant Category Code (MCC) data lookup" matching MCP connectors:

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.

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.

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.

Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Solana token risk-scoring MCP server for AI trading agents with insider wallet cluster detection.

Robinhood Chain stock token data — price, split-adjusted supply, DeFi, corporate actions, movers.

PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.

Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.

Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.

MCP server connecting AI agents to non-custodial staking data across 130+ networks.

Signed exact-order pre-submit gate for crypto bots using live Coinbase and Gemini execution data.

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.

Crypto market data & research MCP: price, derivatives, on-chain, sentiment, news, catalysts.

Crypto positioning and macro intelligence for agents — the signal set a trading desk watches, delivered as structured JSON. Multi-venue perpetual funding and open interest across Binance, Bybit and OKX (largest-open-interest perp per venue, thin venues excluded), Ethereum exchange whale flows, Bitcoin network health, DeFi TVL and stablecoin supply, Fear & Greed, and BTC/ETH/USDT dominance as a risk-on/risk-off regime filter. Plus the macro backdrop that actually drives crypto: Fed funds rate, 2Y

Solana MCP for wallets, trades, markets, PnL, transfers, onchain data, signable swaps and API tools.

21 paid tools: US macro data, SEC EDGAR filings, on-chain EVM reads. Settled in USDC on Base.

Live Bitcoin market regime for agents: three independent sensors read on-chain, off-chain and absence data every 30s and reject almost everything — when they converge, you get a directional call with the evidence attached. Public track record your agent can audit in one call. MCP + REST + x402. Free tier, no card.