MCP Server Directory

Regex Tester API io.github.Br0ski777/regex-generator

Test, validate and explain regular expressions with match highlighting. x402 micropayment.

Generate Polish VAT invoices (Faktura VAT) as PDF

Wallet Portfolio Tracker API io.github.Br0ski777/wallet-portfolio

Crypto wallet balances, ERC-20 tokens, USD values across Base and Ethereum. x402.

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.

gapup-mcp io.github.getgapup/gapup-mcp

271 agent-payable tools: competitive intel, finance, KYC, compliance, ESG. x402 per-call.

RISE CRM MCP server — 36 tools across CRM, projects, tickets, finance, sales, HR, and reports.

Live Ethereum and L2 gas fees for AI agents: current gas, cheapest L2, ETH price, cost estimates.

MCP server exposing Hummingbot API for automated multi-exchange trading

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.

24 free personal-finance + macro tools (mortgage, paycheck, tax, FRED, BLS) for LLM agents.

MCP server for retrieving block-level data from EVM, UTXO, and XRP blockchains via Crypto APIs

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

Aarna - 34 tools for swap quotes, liquidity pools, and trading data

Dynamic RAG Engine preventing AI hallucinations in Korean Finance and Crypto markets.

Give AI agents a Bitcoin wallet with Lightning Network payments and L402 support.

Omnicall — Agent Tools Gateway com.gocreativeai.omnicall/agent-tools

247 LLMs + image/video/voice/music gen + crypto/DeFi/markets/web-search. Pay-per-call USDC, no key.

Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.

GASTOR-Motherboard io.github.Evozim/gastor-motherboard

Showcase validator orchestrating multi-agent swarm governance and payments.

kdata-gate io.github.loved0543-dotcom/kdata-gate

Korean market data for AI agents: K-beauty/K-food products, Naver trends, stocks, real estate.

griffnode com.griffnode/griffnode

Non-custodial crypto payments for AI assistants: balances, payments, and create payment links.

Pay-per-call crypto data for AI agents. USDC on Base via x402. No API key.

x402 payment wrapper for AI Agents and MCP Servers. USDC settlements on Base L2.

HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) com.hojincheck/hojincheck

Verify Japanese companies, invoice-issuer registrations and addresses against government open data.

nzxplorer-mcp io.github.mambaventures/nzxplorer-mcp

NZX (New Zealand stock exchange) data: governance scores, financials, insider trades, boards