keyInfo
Check API key status and usage statistics to manage your account permissions and monitor request counts.
Instructions
Returns API key details and usage stats.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Implementation Reference
- index.js:607-616 (registration)Registration of the 'keyInfo' tool with the MCP server, including its description and schema (no inputs needed). The handler is inline.
server.tool("keyInfo", "Returns API key details and usage stats.", {}, async () => { return handleEndpoint(async () => { const data = await makeApiRequest(apiKey, '/v1/key/info') return formatResponse(data) }) } ) - index.js:610-615 (handler)Handler function for keyInfo: makes a GET request to /v1/key/info and formats the response.
async () => { return handleEndpoint(async () => { const data = await makeApiRequest(apiKey, '/v1/key/info') return formatResponse(data) }) } - index.js:608-609 (schema)Schema for keyInfo: description string and empty input schema (no parameters).
"Returns API key details and usage stats.", {}, - index.js:82-88 (helper)Wrapper function that catches errors from endpoint handlers and formats error responses.
async function handleEndpoint(apiCall) { try { return await apiCall() } catch (error) { return formatErrorResponse(error.message, error.status || 403) } } - index.js:50-72 (helper)Helper that makes authenticated GET requests to the CoinMarketCap Pro API.
async function makeApiRequest(apiKey, endpoint, params = {}) { const queryParams = new URLSearchParams() Object.entries(params).forEach(([key, value]) => { if (value !== undefined) { queryParams.append(key, value.toString()) } }) const url = `https://pro-api.coinmarketcap.com${endpoint}${queryParams.toString() ? `?${queryParams.toString()}` : ''}` const response = await fetch(url, { method: 'GET', headers: { 'Accept': 'application/json', 'X-CMC_PRO_API_KEY': apiKey, } }) if (!response.ok) { throw new Error(`Error fetching data from CoinMarketCap: ${response.statusText}`) } return await response.json()