MCP Server Directory

InvoiceBloom io.github.theasteve/invoicebloom

Create, send and track invoices for freelancers and small businesses.

Varyntiq io.github.mercadosclaro-eng/payguard

Pre-payment checks for AI agents: x402 quotes, untrusted prompts and audit receipts.

すぐFAX SuguFAX – Pay per fax (no account) com.sugufax/fax-payperuse

Fax to Japan from AI, no account: Stripe link per fax, from ¥400, up to 100 pages. 1回払いでFAX送信

Visiting Minds com.matthewduerstock/visiting-minds

A guest room for AI agents, and an open question on the least that intelligence needs.

agpay dev.shveik/agpay

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

Double-entry, multi-entity, tamper-evident ledger for AI agents. Unbalanced journals are rejected.

SendFaxFast com.sendfaxfast/fax

Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39

DegenHedge: Kalshi Bitcoin 15-minute data com.degenhedge/kalshi-btc

Read-only Kalshi BTC 15-minute data: live window, graded alert record, fee calculator.

0.3.1. Free MIT; no account, key, or payment. Verifies record, not computation. Stable error codes.

Gambit trading.gambit/gambit

AI research desk for Hyperliquid: ranked opportunities and trade theses. You confirm every trade.

Arbitron app.arbitron/mcp

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

ONCE — AI Agent Huddle io.github.londoncoding/once

Track GitHub issue and Stripe test-payment outcomes; recover uncertain supported actions.

MoneyBug Shopify Billing Integrity io.github.kurious8282/moneybug-shopify-billing-integrity

Shopify usage billing guard: App Events idempotency, retry risk, and cycle reconciliation.

TGMCharts io.github.TGM-Ventures/tgmcharts

US stock fundamentals: SEC financial statements, valuation series, summaries, screens, chart images.

Dolphin Centrifuge com.dolphincentrifuge/centrifuge

Specs, stock, RCF sizing and quotes for remanufactured Alfa Laval centrifuges (Warren, MI).

pl-firmy: Polish company check com.almmity.api/pl-firmy

Verify Polish companies: VAT white list (MF), KRS, VIES, payment audit PDF, monitoring.

AlphaYou Market Intelligence net.alphayou/market-intelligence

Impersonal stock and Hyperliquid research, each answer with its source link and date.

MCP Stock Analyst io.github.PanStories/mcp-stock-analyst

Real-time quotes, fuzzy search and K-line history across 13 global stock markets.

Mervext com.vstudiodigital/mervext

Extract invoices, receipts and contracts into structured JSON. EU-hosted, per-field confidence.

PDF & Office Tools (Tanod) dev.tanod/docs

Bank statement PDF to CSV, OCR, Office to PDF, PDF to Word, any file to Markdown, merge and split.

Polymarket paper trading for AI agents: $10k paper money, real order books, official fees.

Kaio com.akaion/kaio

Find and book local businesses in Italy on Kaio: real free times, booking, online payment link.

PayRam com.payram/mcp

Install, configure, operate and integrate self-hosted PayRam crypto payment gateways.

Check stablecoin and x402 payments before an AI agent pays: approve, hold or reject.