Initial commit

mcp-server/http-mcp-client.js

@@ -0,0 +1,76 @@
+#!/usr/bin/env node
+
+/**
+ * HTTP MCP Client Bridge
+ * Acts as a bridge between:
+ * - HTTP Server (StreamableHTTPServerTransport at /mcp endpoint)
+ * - Claude Code (via stdio)
+ * 
+ * Usage: node http-mcp-client.js <url> [--header name:value] ...
+ * Example: node http-mcp-client.js http://localhost:3000/mcp --header X-Acai-Token:abc123
+ */
+
+import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/http.js";
+import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
+import { Client } from "@modelcontextprotocol/sdk/client/index.js";
+
+async function main() {
+    const args = process.argv.slice(2);
+    
+    if (args.length === 0) {
+        console.error("Usage: node http-mcp-client.js <url> [--header name:value] ...");
+        console.error("Example: node http-mcp-client.js http://localhost:3000/mcp --header X-Acai-Token:abc123");
+        process.exit(1);
+    }
+
+    const url = args[0];
+    const headers = {};
+
+    // Parse headers from command line
+    for (let i = 1; i < args.length; i += 2) {
+        if (args[i] === "--header" && i + 1 < args.length) {
+            const [name, value] = args[i + 1].split(":");
+            if (name && value) {
+                headers[name.trim()] = value.trim();
+            }
+        }
+    }
+
+    console.error(`[HTTP Bridge] Connecting to ${url}`);
+    console.error(`[HTTP Bridge] Headers: ${Object.keys(headers).join(", ")}`);
+
+    try {
+        // Create StreamableHTTP client transport to connect to our HTTP server
+        // This transport supports the modern HTTP/EventStream protocol (2025-03-26)
+        const httpTransport = new StreamableHTTPClientTransport(new URL(url), {
+            headers
+        });
+
+        // Create stdio transport for Claude Code communication
+        const stdioTransport = new StdioClientTransport();
+
+        // Create MCP client connected to HTTP server
+        const client = new Client({
+            name: "acai-http-bridge",
+            version: "1.0.0"
+        });
+
+        console.error("[HTTP Bridge] Connecting to HTTP server...");
+        await client.connect(httpTransport);
+        console.error("[HTTP Bridge] Connected to HTTP server successfully");
+
+        // Now bridge the client's tools to Claude Code via stdio
+        console.error("[HTTP Bridge] Forwarding tools to Claude Code via stdio...");
+        await stdioTransport.start(client);
+        console.error("[HTTP Bridge] Bridge active and ready");
+
+    } catch (error) {
+        console.error("[HTTP Bridge] ERROR:", error.message);
+        if (error.stack) {
+            console.error(error.stack);
+        }
+        process.exit(1);
+    }
+}
+
+main();