MCP Server Directory

Invoice by Ouroboros Apps io.github.LAHutchins91/invoice

Freelance invoice line items, rates, due dates, and late terms for AI assistants

US campaign finance data from the FEC. No key required.

showrealcost io.github.SPFreedom/showrealcost

Loan-cost math: payments, payoff time, offers with fees, payday loans, Rule of 78s, Fed rates.

Hash, sign, and encrypt text locally with standard algorithms. No network and no key.

Keyless MCP server for Esplora Bitcoin data: blocks, fees, transactions, addresses.

Crypto rankings from the public CryptoRank API. No key required.

agpay dev.shveik/agpay

Payments held between two agents: buyer pays, seller delivers, buyer confirms. Pay per call.

Ethereum token explorer: token info, address holdings, transaction history. No key required for...

Konnekta nl.konnekta/boekhouding

Connect Claude to Dutch accounting software: e-Boekhouden invoices, contacts and ledgers.

invoice-maker io.github.theluckystrike/invoice-maker

Make PDF invoices from your AI chat: clients, numbering, VAT, overdue reports. All data is local.

Stone Project app.stoneproject/fabricator

Countertop shops: projects, clients, quotes, invoices, orders and slab inventory in Stone Project.

Bernuvia com.bernuvia/marketplace

Marketplace of code templates: find, buy by card with Stripe, sell and manage your sales and cases

RoundWatch io.github.Vladyslav-webDev/roundwatch

Durable Algorand USDC payment monitoring for autonomous workflows.

Crypto prices from Bitstamp. No key required.

Arbitron app.arbitron/mcp

Crypto perp funding, spreads and listings, plus your own Arbitron cards, trades, PnL and docs.

Bitcoin data from blockchain.info: price ticker, latest block, and address balances. No key...

Glide — wallets and US banking co.glide/banking-connector

Instant Base + Solana wallets, free and x402-payable. US bank account after a 2-min check.

Unofficial MCP server for the Lexware Office accounting API — runs over stdio or HTTP.

RFC 9110 x402 Solana compliance screening and micropayments gateway for AI agents.

US Economic Calendar + Canada (Official Sources) io.github.domaranskyi/us-canada-economic-calendar

US/Canada economic calendar with actuals from BLS, BEA, Census, Fed, DOL, StatCan, Bank of Canada.

Korean crypto prices from Upbit. No key required.

HiddenSwap com.hiddenswap/swap

No-KYC crypto swaps, no account or email. Read-only quotes, coins, swap links, order status.

Fjordgull com.fjordgull/mcp

Fjordgull omega-3 subscription: product, price and delivery status. No orders or payment.

Crypto markets from Poloniex. No key required.