bitflyer-mcp

Bitflyer MCP

BitFlyer Japan crypto exchange: tickers, order books, and markets. No key required.

This file is self contained. It reads public data only and never writes to the machine. All output is bounded and honest about what could not be fetched.

Tools

• ticker BitFlyer ticker for a product.
• board BitFlyer order book depth.
• markets List BitFlyer spot markets.

Usage

npm install
npm run build
node dist/index.js

Premium tools

These tools need a license key:

• recent_trades
• cross_market_check

Buy a key at https://mcp-marketplace.io/server/io-github-mrfentmen-bitflyer-mcp and set it in your MCP client config:

"env": { "MCP_LICENSE_KEY": "mcp_live_..." }

The key is checked against MCP Marketplace, cached for 24 hours, and keeps working offline once one check has succeeded. Every other tool on this server stays free.