Do I need an API key?
Yes, the CoinCap v3 API requires an API key. A free tier is available at pro.coincap.io/dashboard. Without it, all tools return an error.
@truss44
Basic information
A Model Context Protocol (MCP) server that provides real-time cryptocurrency analysis via CoinCap's API. Enables Claude and other MCP clients to fetch crypto prices, analyze market trends, and track historical data.
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"mcp-crypto-price": {
"command": "npx",
"args": [
"-y",
"mcp-crypto-price"
],
"env": {
"COINCAP_API_KEY": "YOUR_API_KEY_HERE"
}
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
Fetch the live tool list by running this server in a temporary sandbox using the button above.
A Model Context Protocol (MCP) server that provides comprehensive cryptocurrency analysis using the CoinCap v3 API. It offers real-time price data, market analysis, and historical trends through an easy-to-use interface. Designed for developers and analysts integrating crypto data into MCP-compatible clients like Claude Desktop.
Configure in Claude Desktop by adding the server with npx -y mcp-crypto-price and a COINCAP_API_KEY environment variable. Supports both STDIO and Streamable HTTP transports. For HTTP, run the server on port 3000 (default) and pass the API key as a query parameter. Obtain a free API key at pro.coincap.io/dashboard.
Yes, the CoinCap v3 API requires an API key. A free tier is available at pro.coincap.io/dashboard. Without it, all tools return an error.
Both STDIO and Streamable HTTP transports are supported. STDIO is used for Claude Desktop; HTTP works with environments like Smithery or Claude.ai.
Node.js version 22.14 or higher is required.
Use `pnpm dev` for development with hot reload, or `pnpm build` then `pnpm start:http` to serve on port 3000 (configurable via `PORT` environment variable).

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