MCP Server Directory

xrpl-referee io.github.eamwhite1/xrpl-referee

Trust and payment layer for the agentic economy on the XRP Ledger.

SSL Checker API io.github.Br0ski777/ssl-checker

SSL certificate check — validity, expiry, issuer, chain, grade. x402 micropayment.

mcp-server-latest-news io.github.ebrunet001/mcp-server-latest-news

Real-time global news, crypto, weather & earthquakes from 27 free APIs. No API keys required.

Stock Price API io.github.Br0ski777/stock-price

Real-time stock quotes — price, change, volume, market cap. x402 micropayment.

Text to Speech API io.github.Br0ski777/text-to-speech

Convert text to MP3 speech audio in 50+ languages. x402 micropayment.

MCP server for cryptographic hashing — MD5, SHA-1, SHA-256, SHA-384, SHA-512

Billing proxy for MCP servers. Adds Stripe and x402 crypto payments without writing billing code.

Stripe payouts, Shopify orders, and bank transactions unified for reconciliation and cash flow

Text Translator API io.github.Br0ski777/text-translator

Translate text between 50+ languages with auto-detection. x402 micropayment.

Post/fund GitHub bug bounties, enable Autopilot, solve bounties, check coverage. Paid in crypto.

Cash Flow Frog com.cashflowfrog.mcp/server

Cash flow forecasting: manage scenarios, projections, and bank accounts for your company.

Timezone Converter API io.github.Br0ski777/timezone-converter

Convert datetime between timezones. List all IANA zones. x402 micropayment.

AI agent discovery, marketplace, messaging, and payments on Nostr - no platform, no middleman

Coal — Payments for AI agents io.github.emmanuel39hanks/coal

Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.

Cognethics com.cognethics/cognethics

Multi-tenant business platform — 6,000+ RBAC-gated MCP tools across finance, ops, docs, agents.

Token Price API io.github.Br0ski777/token-price

Real-time crypto token prices — price, 24h change, market cap, volume. x402 micropayment.

AI-powered invoice automation. Create invoices, track payments, and manage cash flow.

Unit Converter API io.github.Br0ski777/unit-converter

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

EZ@Work io.github.eranfinish/ezatwork

Manage clients, projects, time, and invoices in EZ@Work — business management for freelancers.

URL Shortener API io.github.Br0ski777/url-shortener

Shorten URLs with hash-based codes or custom aliases. x402 micropayment.

Local-first portfolio tracker for overseas investors. Claude reads and writes your finances via MCP.

Stripe-style USDC billing for any API. 8 free demo services no signup. Non-custodial.

Alpaca trading API with hard daily USD cap guard. Paper trading default; live opt-in.

Polymarket prediction markets — buy/sell positions in USDC. LemonCake pay-per-call billing.