fear-greed-mcp

Fear and Greed MCP

Read the crypto fear and greed index from the public alternative.me API. 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

• current The current index value.
• history Recent index values.

Usage

npm install
npm run build
node dist/index.js

The index is a sentiment measure from the public alternative.me API.

Premium tools

These tools need a license key:

• market_extremes
• greed_trend

Buy a key at https://mcp-marketplace.io/server/io-github-mrfentmen-fear-greed-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.