MCP Server Directory

Prove Bitcoin block ownership via BIP-322 and register sovereign AI agents on the Nexus Protocol.

Thousand API com.thousand-api/thousand-api

Certainty for AI Agents. Deterministic MCP tools for dates, crypto, finance. 84 tools.

Brazilian card acquiring API — merchants, cards-on-file, 3DS, PIX, banking, pricing.

MCP server for Swiss federal finances (EFV): budget, debt, forecasts and spending data

CoinMarketCap com.coinmarketcap/coinmarketcap

Official CoinMarketCap MCP server: real-time crypto prices, market cap, rankings and exchange data.

Uprampr Marketplace com.uprampr/marketplace

Buy and sell with Bitcoin, Monero or Pirate Chain. Listings, Want Ads, offers, escrow.

IDF Metale — gold & silver bullion (Poland) pl.idfmetale/catalog-feed

Polish gold/silver bullion dealer: live PLN prices, stock, buyback prices, guides. Read-only.

Mini Accountant app.miniaccountant/mini-accountant

Hosted MCP server for Mini Accountant: invoices, expenses, customers, analytics, tax estimates.

preflight402 io.ironshell/preflight402

Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.

Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server

Framework MCP do Apex ERP Contábil: CNAEs, jurídico, obrigações, financeiro, marketing e WhatsApp.

mcp com.birkinbagstock/mcp

Live Hermes Birkin & Kelly market data: cross-merchant inventory, prices, comparisons and alerts

Cryptographic truth infrastructure for AI agents: seal, verify, anchor, cite, audit.

MUJ428 Trust Layer — Bind Approved Intent to Verified Effect io.github.wmujahid428-web/muj428-trust-layer

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

AP Control Labs Finance Controls io.github.juodoc/ap-control

Read-only finance and operations controls for AI agents with evidence and safe next actions.

Anthid com.anthid/anthid

Search the Anthid trading API reference, schemas, and product pages.

Polymarket market data, live CLOB books, replay, simulation, and opt-in trading in Rust.

Chainflip Broker as a Service io.chainflip-broker/crypto-swap

Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.

CoinPaprika com.coinpaprika/coinpaprika

Real-time crypto market data: prices, tickers, exchanges, OHLCV candles, and metadata.

Krosos com.krosos/krosos

Your accounting ledger as typed tools: net worth, holdings, history, tax estimates, trade logging.

micropay-test-suite app.netlify.micropay-test-suite/micropay-test-suite

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

Stupidly Clever com.stupidlyclever.www/calculators

140+ calculators and data tools — finance, health, science, global comparisons and more.

QuickBooks Online MCP server for invoices, customers, and payments. OAuth 2.1 + PKCE, stdio/HTTP.

Live market prices and candles for AI agents (200+ coins). Data only, no trading advice.