Initial commit: Setting up OpenRouter MCP server for multimodal capabilities

2025-03-26 22:57:06 +05:30
commit 57eb800f9a
17 changed files with 1895 additions and 0 deletions
--- a/src/index.ts
+++ b/src/index.ts
@@ -0,0 +1,67 @@
+#!/usr/bin/env node
+// OpenRouter Multimodal MCP Server
+import { Server } from '@modelcontextprotocol/sdk/server/index.js';
+import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
+
+import { ToolHandlers } from './tool-handlers.js';
+
+class OpenRouterMultimodalServer {
+  private server: Server;
+  private toolHandlers!: ToolHandlers; // Using definite assignment assertion
+
+  constructor() {
+    // Get API key and default model from environment variables
+    const apiKey = process.env.OPENROUTER_API_KEY;
+    const defaultModel = process.env.OPENROUTER_DEFAULT_MODEL;
+
+    // Check if API key is provided
+    if (!apiKey) {
+      throw new Error('OPENROUTER_API_KEY environment variable is required');
+    }
+
+    // Initialize the server
+    this.server = new Server(
+      {
+        name: 'openrouter-multimodal-server',
+        version: '1.0.0',
+      },
+      {
+        capabilities: {
+          tools: {},
+        },
+      }
+    );
+    
+    // Set up error handling
+    this.server.onerror = (error) => console.error('[MCP Error]', error);
+    
+    // Initialize tool handlers
+    this.toolHandlers = new ToolHandlers(
+      this.server,
+      apiKey,
+      defaultModel
+    );
+    
+    process.on('SIGINT', async () => {
+      await this.server.close();
+      process.exit(0);
+    });
+  }
+
+  async run() {
+    const transport = new StdioServerTransport();
+    await this.server.connect(transport);
+    console.error('OpenRouter Multimodal MCP server running on stdio');
+    console.error('Using API key from environment variable');
+    console.error('Note: To use OpenRouter Multimodal, add the API key to your environment variables:');
+    console.error('      OPENROUTER_API_KEY=your-api-key');
+    if (process.env.OPENROUTER_DEFAULT_MODEL) {
+      console.error(`      Using default model: ${process.env.OPENROUTER_DEFAULT_MODEL}`);
+    } else {
+      console.error('      No default model set. You will need to specify a model in each request.');
+    }
+  }
+}
+
+const server = new OpenRouterMultimodalServer();
+server.run().catch(console.error);