MCP Server Directory

civiq io.github.civdotiq/civiq

U.S. civic data for AI agents: reps, votes, bills, finance, lobbying, cited gov sources. 47 tools.

MCP server for French e-invoicing (XP Z12-013). Manages invoices, validation and compliance.

Sats4AI - Bitcoin-Powered AI Tools io.github.cnghockey/sats4ai

40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.

MCP server for NuPay — Nubank merchant checkout: Pix + wallet one-click for 100M+ BR users

Siigo — Colombian accounting + DIAN e-invoicing

MCP server for Stark Bank — transfers, boletos, invoices, Pix, balance

ResearchSprint io.github.conversiondigital-cmyk/research-sprint

AI research reports: market analysis, competitor intel, blog posts. USDC payment.

An MCP server that exposes the python-bitcoinlib API

JSON Validator API io.github.Br0ski777/json-validator

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

clawmerchants-mcp-gateway io.github.danielxri/clawmerchants-mcp-gateway

MCP Gateway: wrap any MCP server with cold-start retries, uptime SLA, and per-execution MPP billing.

Shopify Catalog Monitor io.github.dizzyvinci/shopify-catalog-monitor

Track price drops, stock-outs, restocks, and new/removed products across Shopify stores.

Nexus Finance API — compliance audit, VaR/RWA risk, market quotes and case management.

QR Code Generator API io.github.Br0ski777/qr-code

Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment.

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

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

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

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

Webhook Tester API io.github.Br0ski777/webhook-tester

Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

Gate Exchange MCP io.github.gateio-dev/gate-exchange

OAuth Gate exchange MCP for CEX trading, account, wallet, unified account, and sub-account.

Giskard Search io.github.giskard09/search

Pay-per-use web search for AI agents. Lightning invoice, Ed25519 signature, karma discounts.

Open Identity Standard for AI Agents — DID, Agent Cards, delegation, reputation, payment & escrow

AI HUNTERZ — Autonomous Crypto Intelligence io.github.hunterzai16z/ai-hunterz

49 crypto intelligence APIs. Whale tracking, DeFi yields, alpha signals. Pay in USDC on Base.

Read-only Stripe for AI agents — customers, charges, subscriptions, invoices, balance.

OnchainAI io.github.Coinyak/onchainai

Crypto tool MCP: search/trust/install-risk. Remote tools/call is x402 paid.

clawshow-mcp-server io.github.jason2016/clawshow-mcp-server

Instant Backend for SMBs: pages, payments, eSign AES eIDAS, notifications, inventory, reports

binance-mcp io.github.junct-bot/binance-mcp

Binance - 340 tools for market data, order books, and trading pairs