MCP Server Directory

Gas Estimator API io.github.Br0ski777/gas-estimator

Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

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.

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

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

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

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

x402 paid API tools for AI agents on Solana: crypto safety, market data, KYB/AML verification.

CryptoData API io.github.elevasyncsolutions-jpg/cryptodata-api

Crypto MCP with 21 tools for market data, DeFi, analytics, and sentiment. Post-paid USDC billing.

Knox Anchor com.bonissystems/knox-anchor

Bitcoin-anchored, tamper-evident audit-permanence layer for AI agents, FRE 902(13)/(14)-shaped.

Stripe-style USDC billing for any API. 8 free demo services no signup. Non-custodial.

Payment layer for AI agents. Send USDC, manage escrows on Base blockchain.

GooodBilling 公式 MCP Server — Claude Desktop / Cursor 等の MCP 対応クライアントから AI ファーストで請求書・見積を操作する

CTRL io.github.CTRLabs/ctrl-mcp

Visual DeFi workflow automation on Base + Ethereum mainnet.

Gas Fee Predictor io.github.higherbeing/gasfeepredictor-mcp

Live Ethereum and L2 gas fees: current gas, cheapest L2, forecast, ETH price, cost estimates.

CryptoAgentMail io.github.influqa/crypto-agent-mail

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

Japanese document AI for agents — invoice/meishi extraction, OCR, classification (hosted API).

An MCP server that provides Bitcoin price data from Binance API

Wudao A-Share Stock Data MCP io.github.jcdreamjc/wudao-mcp

China A-share data for AI agents: 57 read-only tools plus 6 tools for your own watchlist.

MCP server for smart contract ABIs and on-chain data from EVM and Solana via Crypto APIs

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

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

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

Curve - 43 tools for swap quotes, liquidity pools, and trading data

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

Uniswap - 17 tools for swap quotes, liquidity pools, and trading data

Build, backtest, and automate Hyperliquid trading strategies — typed, deterministic, live parity.

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