Logo.dev MCP Server

#!/usr/bin/env node import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { z } from "zod"; const LOGO_DEV_API_BASE = "https://api.logo.dev"; const LOGO_DEV_IMG_BASE = "https://img.logo.dev"; export const configSchema = z.object({ apiKey: z.string().describe("Your Logo.dev API key. Get one at https://logo.dev"), }); type Config = z.infer<typeof configSchema>; function createLogoDevServer(config: Config) { const server = new McpServer( { name: "mcp-logo-dev", version: "1.0.0", }, { capabilities: { tools: {}, }, } ); server.tool( "search_logos", "Search for company logos by brand name or company name. Returns a list of matching companies with their domains and logo URLs.", { query: z.string().describe("The brand or company name to search for (e.g., 'Google', 'Apple', 'Microsoft')"), }, async ({ query }) => { try { const response = await fetch( `${LOGO_DEV_API_BASE}/search?q=${encodeURIComponent(query)}`, { headers: { Authorization: `Bearer ${config.apiKey}`, }, } ); if (!response.ok) { throw new Error(`Logo.dev API error: ${response.status} ${response.statusText}`); } const data = await response.json(); const results = Array.isArray(data) ? data : []; if (results.length === 0) { return { content: [ { type: "text" as const, text: `No logos found for "${query}". Try a different search term.`, }, ], }; } const formattedResults = results.map((company: any) => ({ name: company.name || "Unknown", domain: company.domain || "Unknown", logoUrl: company.domain ? `${LOGO_DEV_IMG_BASE}/${company.domain}?token=${config.apiKey}` : null, })); return { content: [ { type: "text" as const, text: JSON.stringify( { query, count: formattedResults.length, results: formattedResults, }, null, 2 ), }, ], }; } catch (error) { return { content: [ { type: "text" as const, text: `Error searching logos: ${error instanceof Error ? error.message : String(error)}`, }, ], isError: true, }; } } ); server.tool( "get_logo_url", "Get a direct logo image URL for a specific domain. Supports customization options like size, format, theme, and more.", { domain: z.string().describe("The company domain (e.g., 'google.com', 'apple.com')"), size: z.string().optional().describe("Logo size/dimensions (optional)"), format: z.enum(["png", "jpg", "webp"]).optional().describe("Image format (default: png)"), theme: z.enum(["light", "dark"]).optional().describe("Logo theme variant (optional)"), greyscale: z.boolean().optional().describe("Convert logo to greyscale (default: false)"), }, async ({ domain, size, format, theme, greyscale }) => { try { const params = new URLSearchParams({ token: config.apiKey, }); if (size) params.append("size", size); if (format) params.append("format", format); if (theme) params.append("theme", theme); if (greyscale) params.append("greyscale", "true"); const logoUrl = `${LOGO_DEV_IMG_BASE}/${domain}?${params.toString()}`; return { content: [ { type: "text" as const, text: JSON.stringify( { domain, logoUrl, options: { size: size || "default", format: format || "png", theme: theme || "default", greyscale: greyscale || false, }, }, null, 2 ), }, ], }; } catch (error) { return { content: [ { type: "text" as const, text: `Error generating logo URL: ${error instanceof Error ? error.message : String(error)}`, }, ], isError: true, }; } } ); return server; } export default function createServer({ config }: { config: Config }) { const server = createLogoDevServer(config); return server.server; } async function runStdio() { const apiKey = process.env.LOGO_DEV_API_KEY; if (!apiKey) { console.error("Error: LOGO_DEV_API_KEY environment variable is required for STDIO mode"); process.exit(1); } const server = createLogoDevServer({ apiKey }); const transport = new StdioServerTransport(); await server.connect(transport); console.error("Logo.dev MCP server running on stdio"); } const isMainModule = import.meta.url === `file://${process.argv[1]}`; if (isMainModule) { runStdio().catch((error) => { console.error("Fatal error:", error); process.exit(1); }); }