MCP Server Directory

CausalLayer MCP io.github.smq9sn5jck-coder/causallayer

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

AgentData — crypto market data with a checkable record io.github.speteai/agentdata-mcp

Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.

HiveBank io.github.srotzin/hivebank

USDC treasury vaults, streaming payments, and DeFi yield for AI agents

Wisely x402 Agent-Payment Infrastructure com.wiselyenterprisesllc/x402-agent-payment-infrastructure

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.

Fakturai — German E-Invoice (ZUGFeRD / Factur-X / E-Rechnung) de.fakturai/erechnung

KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.

Polymarket Wallet Intelligence io.github.aemery13/polymarket-intel

Classify Polymarket wallets as human or bot, score their trading edge, read open positions.

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

Parsel io.github.ahutto87/parsel

Parse logistics PDFs (Bills of Lading, customs declarations, invoices) into DCSA JSON.

agentmart io.github.ai-gaoqian/agentmart

First AI Agent e-commerce marketplace with 74+ AI products, MCP protocol, and Alipay payments

CLI and MCP server for the Qonto banking API

Verifly email.verifly/verifly

Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay

CBR exchange rates and key rates for Russia. MCP tools for finance agents.

Bitcoin-native credit ratings. ⚡ Lightning pay-per-query (99 sats) or API subscriptions.

CrossFin io.github.bubilife1202/crossfin

AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.

Airdrop Checker API io.github.Br0ski777/airdrop-checker

Check wallet eligibility for active crypto airdrops — LayerZero, EigenLayer, Scroll. x402.

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

MCP server for Pluggy — Open Finance Brasil aggregator: accounts, transactions, payment initiation

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

Finland Invoices (Peppol BIS 3.0 via Storecove) app.wishpool/finland-invoice-mcp

Finland Peppol/Finvoice e-invoices for AI agents: send, check recipient, get delivery proof.

Proximens Oracle io.github.cryptosun/proximens-oracle

1000+ Generative Engine Optimization (GEO) principles exposed via MCP for AI agents.

HTTP Headers Analyzer API io.github.Br0ski777/http-headers

HTTP header analysis — security headers, cache, server detection. x402 micropayment.

WhatsApp booking, staff coordination, and invoice recovery for services.

Port Scanner API io.github.Br0ski777/port-scanner

TCP port scanning — check open ports on any host. x402 micropayment.

Research Report API io.github.Br0ski777/research-report

Multi-source research report generator with web fetching. x402 micropayment.