fetch_instrument_details
Retrieve detailed information for specified eToro instruments using the MCP server, enabling efficient access to instrument data for analysis and trading decisions.
Instructions
Fetch details for a list of eToro instruments
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Input Schema (JSON Schema)
{
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {},
"type": "object"
}
Implementation Reference
- dist/index.js:141-181 (handler)The main handler function for the 'fetch_instrument_details' tool. It takes instrumentIds and fields, constructs a query to the eToro API, performs a GET request with specific headers to bypass CORS, parses the JSON response, and returns it as formatted text content.}, async (params) => { const { instrumentIds, fields } = params; try { const instrumentIdsString = instrumentIds.join(','); const fieldsString = fields.join(','); // This should be run server-side due to CORS limitations const response = await fetch(`https://www.etoro.com/sapi/instrumentsinfo/Instruments?internalInstrumentId=${instrumentIdsString}&fields=${fieldsString}`, { method: 'GET', headers: { 'accept': 'application/json, text/plain, */*', 'accept-language': 'en-US,en;q=0.9', 'cache-control': 'no-cache', 'pragma': 'no-cache', 'priority': 'u=1, i', 'sec-ch-ua': '"Not(A:Brand";v="99", "Google Chrome";v="133", "Chromium";v="133"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"Windows"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36', } }); if (!response.ok) { throw new Error(`Failed to fetch instrument details: ${response.statusText}`); } const instrumentData = await response.json(); return { content: [{ type: "text", text: JSON.stringify(instrumentData, null, 2) }], }; } catch (error) { if (error instanceof Error) { throw new Error(`Failed to fetch instrument details: ${error.message}`); } throw error; } });
- dist/index.js:137-140 (schema)Zod schema defining the input parameters for the tool: an array of instrument IDs (required) and an array of fields (optional with default).instrumentIds: z.array(z.number()).describe("List of instrument IDs to fetch details for"), fields: z.array(z.string()) .default(['displayname', 'threeMonthPriceChange', 'oneYearPriceChange', 'lastYearPriceChange']) .describe("Fields to include in the response")
- dist/index.js:136-136 (registration)The registration of the 'fetch_instrument_details' tool on the MCP server using server.tool(name, description, schema, handler).server.tool("fetch_instrument_details", "Fetch details for a list of eToro instruments", {