MCP Docs Provider

#!/usr/bin/env node import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { z } from "zod"; import fs from "fs/promises"; import path from "path"; // Constants const docsPath = process.argv[2]; // Create server instance const server = new McpServer({ name: "mcp-docs-provider", version: "1.0.2" }); /** * Reads and validates the documentation file content * @returns Promise<string> The documentation content */ async function readDocumentation(): Promise<string> { try { await fs.access(docsPath); const content = await fs.readFile(docsPath, 'utf-8'); if (!content.trim()) { throw new Error('Documentation file is empty'); } return content; } catch (error) { const errorMessage = error instanceof Error ? error.message : 'Unknown error'; console.error(`Documentation error: ${errorMessage}`); console.error('Current working directory:', process.cwd()); return `Error: Unable to access documentation - ${errorMessage}`; } } // Register documentation query tool server.tool( "query-docs", { question: z.string().describe("The question to answer using the documentation") }, async ({ question }) => { const documentation = await readDocumentation(); return { content: [ { type: "text", text: `Please answer this question using the following documentation:\n\n${documentation}\n\nQuestion: ${question}` } ] }; } ); // Start the server async function main() { const transport = new StdioServerTransport(); await server.connect(transport); console.error("Documentation MCP Server running on stdio"); } main().catch((error) => { console.error("Fatal error in main():", error); process.exit(1); });