MCP Server Directory

Exactly-once execution guard for AI agents. Prevents duplicate payments and webhooks on retry.

kr-crypto-intelligence io.github.bakyang2/kr-crypto-intelligence

Korean crypto + news (kpop/semi), 17 tools, signed receipts. x402 Base+Polygon+Solana.

CipherHUB Cryptography Toolkit io.github.bowenerchen/cipherhub

Production-grade cryptography toolkit with 31 MCP tools for classical, PQC, and KMS workflows.

Track credit card benefits, welcome offers, loyalty points, and money deadlines. No bank login.

ReNoUn — Crypto Regime Classification io.github.98lukehall/renoun

Crypto regime classifier for trading agents. 100% bounded regime accuracy. 50 free calls/day.

Debt payoff calculator: snowball vs avalanche, minimum payment trap, extra-payment impact.

wassel io.github.AymanElhakim/wassel

MENA commerce integration layer for AI agents: payments, BNPL, logistics, e-commerce, tax.

MCP server for Conta Azul — accounting, invoicing, customers, products

MCP server for Iniciador — Open Finance Brasil Pix payment initiation (PISP), ICP-Brasil + DCR

Base64 Codec API io.github.Br0ski777/base64-codec

Encode/decode base64 and URL-safe base64. x402 micropayment.

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

MCP server for Transak — fiat-to-crypto on/off-ramp across ~170 countries (Partner API)

MCP server for Xero — global cloud accounting: contacts, invoices, payments, items, reports

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.

AGI Alpha com.agialpha/agi-alpha

Decentralized AI agent labor market on Ethereum. 15 tools for on-chain job lifecycle.

Hyperliquid Spot API io.github.Br0ski777/hl-spot

Hyperliquid spot tokens, prices, volume, wallet balances. 454 tokens. x402 micropayment.

MCP server for ECDSA cryptography

AI rap songs about today's headlines in any rapper's style. Free trial + x402 payments.

Markdown Renderer API io.github.Br0ski777/markdown-renderer

Render markdown to styled HTML with light/dark/github themes. x402 micropayment.

Structured commerce data for AI agents. 22,000+ DTC brands, real prices, real stock.

x402-endpoints io.github.digitalweb33333-creator/x402-endpoints

x402 paid API tools for AI agents on Base: EU/global registries, crypto, wallet & agent trust.

Financial analysis AI. Forecasting, audit prep, SOX/GAAP compliance. Accuracy compounds with use.

stocksense-ai io.github.doc2mcp/stocksense-ai

MCP server for stocksense-ai documentation, generated by doc2mcp.

MCP server for Lightning Tools — pay-per-call AI tools via Bitcoin Lightning