Godot Docs MCP

import { Server } from "@modelcontextprotocol/sdk/server/index.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { type CallToolRequest, CallToolRequestSchema, type ListToolsRequest, ListToolsRequestSchema, type Tool, } from "@modelcontextprotocol/sdk/types.js"; import { getClass, getPage, searchDocs } from "./tools.ts"; const server = new Server( { name: "godot-docs-mcp", version: "1.0.0", }, { capabilities: { tools: {}, }, }, ); const tools: Tool[] = [ { name: "godot_docs_search", description: "Search across all Godot documentation for classes, tutorials, and guides.", inputSchema: { type: "object", properties: { query: { type: "string", description: "A search keyword for the Godot documentation. Must be in English.", }, }, required: ["query"], }, }, { name: "godot_docs_get_page", description: "Get the full content of a specific Godot documentation page", inputSchema: { type: "object", properties: { url: { type: "string", description: "The URL or path to the Godot documentation page", }, }, required: ["url"], }, }, { name: "godot_docs_get_class", description: "Get detailed information about a specific Godot class", inputSchema: { type: "object", properties: { className: { type: "string", description: "The name of the Godot class to retrieve information for", }, }, required: ["className"], }, }, ]; server.setRequestHandler( ListToolsRequestSchema, (_request: ListToolsRequest) => { return { tools, }; }, ); server.setRequestHandler( CallToolRequestSchema, async (request: CallToolRequest) => { const { name, arguments: args } = request.params; try { switch (name) { case "godot_docs_search": { const { query } = args as { query: string }; if (!query) { throw new Error("Query parameter is required"); } return { content: [ { type: "text", text: JSON.stringify(await searchDocs(query)), }, ], }; } case "godot_docs_get_page": { const { url } = args as { url: string }; if (!url) { throw new Error("URL parameter is required"); } return { content: [ { type: "text", text: await getPage(url), }, ], }; } case "godot_docs_get_class": { const { className } = args as { className: string }; if (!className) { throw new Error("className parameter is required"); } return { content: [ { type: "text", text: await getClass(className), }, ], }; } default: throw new Error(`Unknown tool: ${name}`); } } catch (error) { const errorMessage = error instanceof Error ? error.message : String(error); return { content: [ { type: "text", text: `Error: ${errorMessage}`, }, ], isError: true, }; } }, ); async function main() { const transport = new StdioServerTransport(); await server.connect(transport); console.error("Godot Docs MCP Server running on stdio"); } Deno.addSignalListener("SIGINT", async () => { await server.close(); Deno.exit(0); }); if (import.meta.main) { main().catch((error) => { console.error("Failed to start server:", error); Deno.exit(1); }); }