What API key is required?
A CoinGecko Pro API key must be set in the `COINGECKO_API_KEY` environment variable.
@MCP-Mirror
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Mirror of
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It is a Model Context Protocol (MCP) server and OpenAI function calling service that integrates with the CoinGecko Pro API to provide cryptocurrency data for AI agents and applications.
Install via npm install coingecko-server, set the COINGECKO_API_KEY environment variable, then configure it in Claude Desktop’s MCP config or use the CoinGeckoService class with OpenAI function calling. The server exposes tools such as get-coins, find-coin-ids, get-historical-data, get-ohlc-data, and refresh-cache.
A CoinGecko Pro API key must be set in the `COINGECKO_API_KEY` environment variable.
Yes, by adding it to the `mcpServers` configuration in Claude Desktop’s `claude_desktop_config.json` file.
Yes, the `CoinGeckoService` class provides function definitions that can be used with OpenAI’s chat completions API.
Rate limits are not specified in this server; refer to the [CoinGecko Pro API documentation](https://www.coingecko.com/api/documentation) for current guidelines.
The server returns `OHLCData`, `HistoricalData`, and `CoinInfo` interfaces, which include timestamps, prices, market caps, volumes, and coin identifiers.

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