Crypto market data via CoinGecko — prices, markets, history, trending, and deep coin metadata.
Connect Runs on your machine
claude mcp add coingecko-mcp-server -e COINGECKO_API_KEY=<COINGECKO_API_KEY> -e MCP_LOG_LEVEL=<MCP_LOG_LEVEL> -- npx -y @cyanheads/[email protected]{
"mcpServers": {
"coingecko-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"COINGECKO_API_KEY": "<COINGECKO_API_KEY>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"coingecko-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"COINGECKO_API_KEY": "<COINGECKO_API_KEY>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}{
"servers": {
"coingecko-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"COINGECKO_API_KEY": "<COINGECKO_API_KEY>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
COINGECKO_API_KEYOptional, secret | Optional CoinGecko Demo API key. Present → sent as the x-cg-demo-api-key header for the dedicated Demo tier (10k/mo, 100 rpm). Absent → keyless public tier. |
MCP_LOG_LEVELOptional | Sets the minimum log level for output (e.g., 'debug', 'info', 'warn'). |
Details
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 15 Oct 2026 |
| Last updated | 15 Oct 2026 |
| Registry name | io.github.cyanheads/coingecko-mcp-server |
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