3663 Model Context Protocol servers — searchable, rated, ready to install.
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.
Read the crypto fear and greed index from alternative.me. No key required.
Look up any LEI; register, renew and transfer LEIs and get invoices for a Global FinReg user.
Korean crypto prices from Bithumb. No key required.
12 synthetic record exception cases: duplicate payments, policy-watch list entries, missing rate con
Crypto perp funding, spreads and listings, plus your own Arbitron cards, trades, PnL and docs.
Screens x402 payments before settlement for injected payee addresses and sellers who never deliver.
Russian central bank daily rates. No key required.
Leads from agents: hops attributed with a per-hop utm_id from discovery to trial to invoice.
Crypto prices from Bitfinex. No key required.
Bitcoin fee estimates from bitcoiner.live. No key required.
MCP server for Dicker Data's B2B partner/reseller REST API — pricing, orders, and invoices.
MCP for Tradewink trading signals and watchlists. Not financial advice.
Canadian exchange rates from Bank of Canada. No key required.
Daily end-of-day OHLCV stock data for U.S.-listed symbols, 15 years of history. Free API key.
No-KYC crypto swaps, no account or email. Read-only quotes, coins, swap links, order status.
Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals
Ethereum beacon chain: state, rewards, epochs.
Spanish invoicing with VeriFactu (AEAT): invoices, quotes, contacts, products, taxes and filings.
US/Canada economic calendar with actuals from BLS, BEA, Census, Fed, DOL, StatCan, Bank of Canada.
Crypto prices from CEX.IO. No key required.
Finance from the sources: SEC and ESEF filings, fact checks, central-bank rates, odds, DeFi, macro.
Crypto prices from Bitget. No key required.
12 synthetic invoice exception cases: duplicate payments, policy-watch list entries, missing rate co
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