Fix Cursor MCP deeplinks: encode transport-only config so command is not empty.

scripts/update-index.sh

@@ -56,8 +56,11 @@ for a in man["server"]["mcp_config"].get("args") or []:
         args.append("${userHome}/Documents/Claude")
     else:
         args.append(s)
-payload = {sk: {"command": cmd, "args": args}}
-b64 = base64.urlsafe_b64encode(json.dumps(payload, separators=(",", ":")).encode()).decode().rstrip("=")
+# Forward slashes; config = transport only (name= is separate).
+if len(cmd) >= 3 and cmd[1] == ":" and "\\" in cmd:
+    cmd = cmd.replace("\\", "/")
+transport = {"command": cmd, "args": args}
+b64 = base64.urlsafe_b64encode(json.dumps(transport, separators=(",", ":")).encode()).decode().rstrip("=")
 link = f"cursor://anysphere.cursor-deeplink/mcp/install?name={urllib.parse.quote(sk)}&config={b64}"
 print(f"[Add to Cursor]({link})")
 PY