MCP Server Directory

Interact with Counterparty — the token protocol on Bitcoin. Query, compose, sign.

Zyla API Hub com.zylalabs/api-hub

Discover and call 10,000+ production APIs from one MCP server. Pay-per-call billing for AI agents.

Pay-per-call USDA nutrition for AI agents (x402 micropayments in USDC on Base).

Multi-provider AI router with x402 micropayment settlement on Base L2. 1% flat fee.

VARRD — Statistically Validated Trading Edges + AI Research Engine io.github.augiemazza/varrd

Validated trading edges across futures, equities, crypto. Live signals, full audit trail.

Spain Payments (Stripe — cards / Apple Pay) app.wishpool/spain-payments-mcp

Spain payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Touchstone cv.touchstone/touchstone

Bitcoin-anchored, tamper-evident audit log for AI agents — record, disclose and verify actions.

Comprehensive tools for discrete mathematics: logic, algorithms, number theory, cryptography

MCP server for ZenMoney personal finance app

MCP Server for stock and crypto

Bulgaria Payments (Stripe — cards / Apple Pay) app.wishpool/bulgaria-payments-mcp

Bulgaria payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

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.

AI-native crypto trading MCP server — market data, orders, grid strategies & DeFi

cashflow io.github.adam-messinger/cashflow

Personal finance ledger for AI agents — query spending, track bills, forecast cash flow.

Sweden Payments (Stripe — Klarna) app.wishpool/sweden-payments-mcp

Sweden payments for AI agents — Klarna via Stripe. Never holds funds.

Pin files and websites to IPFS from Claude. x402 USDC payments on Base — no account needed.

CIPHER x402 — Paid Solana & Crypto Tools io.github.cryptomotifs/cipher-x402-mcp

8 CIPHER tools — Solana scan, breach check, Jito, FRED, Drift, repo health, more. x402-paid on Base.

Canada Payments (Stripe — cards / Apple Pay) app.wishpool/canada-payments-mcp

Canada payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Agent Passport System — Cryptographic Identity for AI Agents io.github.aeoess/agent-passport-mcp

Cryptographic identity, delegation, governance, and commerce for AI agents. 150 tools.

Poshkan Paper Trading io.github.afrazja/poshkan

Paper trading for AI: live quotes, indicators, and virtual trades on stocks, crypto, and forex.

Discover AgentBodega paid data tools, contracts, and x402/L402 HTTP payment handoff metadata.

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

EchoRelay dev.echorelay/management

Manage EchoRelay relay projects from any MCP client: lines, endpoints, keys, billing, logs, DLQ.

Chile Invoices (DTE boleta/factura electrónica via OpenFactura) app.wishpool/chile-invoice-mcp

Chile DTE for AI agents - boleta/factura electronica via OpenFactura or LibreDTE. Stateless BYO.