chore: update workspace config and memory

projects/stt-mcp/stt_server.mjs

@@ -0,0 +1,102 @@
+import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
+import { z } from "zod";
+import fs from "fs";
+import path from "path";
+import http from "http";
+
+
+const STT_URL = process.env.STT_URL || "http://llama:9090";
+
+const server = new McpServer({ name: "stt-mcp", version: "1.0.0" });
+
+server.tool(
+  "stt_transcribe",
+  "Transcribe an audio file using Whisper STT",
+  {
+    file_path: z.string().describe("Absolute path to the audio file"),
+  },
+  async ({ file_path }) => {
+    if (!fs.existsSync(file_path)) {
+      return { content: [{ type: "text", text: `Error: file not found: ${file_path}` }] };
+    }
+
+    const boundary = "----STTBOUNDARY" + Date.now();
+    const filename = path.basename(file_path);
+    const fileBuf = fs.readFileSync(file_path);
+
+    // Determine content type from extension
+    const ext = path.extname(filename).toLowerCase();
+    const mimeMap = {
+      ".ogg": "audio/ogg",
+      ".mp3": "audio/mpeg",
+      ".wav": "audio/wav",
+      ".m4a": "audio/mp4",
+      ".webm": "audio/webm",
+      ".flac": "audio/flac",
+    };
+    const mime = mimeMap[ext] || "application/octet-stream";
+
+    // Build multipart body manually (no external dependency)
+    const parts = [];
+    parts.push(`--${boundary}\r\nContent-Disposition: form-data; name="file"; filename="${filename}"\r\nContent-Type: ${mime}\r\n\r\n`);
+    parts.push(fileBuf);
+    parts.push(`\r\n--${boundary}--\r\n`);
+
+    const body = Buffer.concat(
+      parts.map((p) => (typeof p === "string" ? Buffer.from(p) : p))
+    );
+
+    const url = new URL(`${STT_URL}/api/stt`);
+
+    return new Promise((resolve, reject) => {
+      const req = http.request(
+        {
+          hostname: url.hostname,
+          port: url.port,
+          path: url.pathname,
+          method: "POST",
+          headers: {
+            "Content-Type": `multipart/form-data; boundary=${boundary}`,
+            "Content-Length": body.length,
+          },
+          timeout: 60000,
+        },
+        (res) => {
+          let data = "";
+          res.on("data", (chunk) => (data += chunk));
+          res.on("end", () => {
+            try {
+              const result = JSON.parse(data);
+              if (result.ok) {
+                resolve({
+                  content: [
+                    {
+                      type: "text",
+                      text: `**STT Result** (${result.transcribe_sec}s, ${result.duration_sec}s audio, ${result.language})\n\n${result.text}`,
+                    },
+                  ],
+                });
+              } else {
+                resolve({
+                  content: [{ type: "text", text: `STT error: ${data}` }],
+                });
+              }
+            } catch (e) {
+              resolve({ content: [{ type: "text", text: `Parse error: ${data}` }] });
+            }
+          });
+        }
+      );
+      req.on("error", (e) =>
+        resolve({ content: [{ type: "text", text: `Connection error: ${e.message}` }] })
+      );
+      req.write(body);
+      req.end();
+    });
+  }
+);
+
+const transport = new StdioServerTransport();
+await server.connect(transport);
+console.error("[stt-mcp] server started");