From 663e1018e7d2f3f03d51a6665ec2ae97e68b17eb Mon Sep 17 00:00:00 2001
From: Danila Poyarkov <dev@dannote.net>
Date: Thu, 23 Apr 2026 13:58:53 +0300
Subject: [PATCH] debug: add MCP spawn logging, revert cmd approach

---
 desktop/capabilities/default.json |  3 +--
 src/automation/spawn-mcp.ts       | 21 +++++++--------------
 2 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/desktop/capabilities/default.json b/desktop/capabilities/default.json
index 216c636fd..ca5dc7218 100644
--- a/desktop/capabilities/default.json
+++ b/desktop/capabilities/default.json
@@ -32,8 +32,7 @@
         { "name": "claude-agent-acp", "cmd": "claude-agent-acp", "args": true },
         { "name": "codex-acp", "cmd": "codex-acp", "args": true },
         { "name": "gemini", "cmd": "gemini", "args": true },
-        { "name": "openpencil-mcp-http", "cmd": "openpencil-mcp-http", "args": true },
-        { "name": "cmd", "cmd": "cmd", "args": true }
+        { "name": "openpencil-mcp-http", "cmd": "openpencil-mcp-http", "args": true }
       ]
     },
     "shell:allow-stdin-write",
diff --git a/src/automation/spawn-mcp.ts b/src/automation/spawn-mcp.ts
index 3e8ed21bf..e80fd469a 100644
--- a/src/automation/spawn-mcp.ts
+++ b/src/automation/spawn-mcp.ts
@@ -48,6 +48,7 @@ export async function getAutomationAuthToken(): Promise<string | null> {
 
 export async function spawnMCPIfNeeded(): Promise<AutomationServerHandle | null> {
   const isTauri = IS_BROWSER && '__TAURI_INTERNALS__' in window
+  console.warn('[MCP] spawn check: DEV=', import.meta.env.DEV, 'isTauri=', isTauri, 'IS_BROWSER=', IS_BROWSER)
   if (import.meta.env.DEV || !isTauri) {
     return DEV_AUTOMATION_AUTH_TOKEN
       ? { disconnect: noop, authToken: DEV_AUTOMATION_AUTH_TOKEN }
@@ -67,20 +68,12 @@ export async function spawnMCPIfNeeded(): Promise<AutomationServerHandle | null>
   runtimeAutomationAuthToken = authToken
 
   const { Command } = await import('@tauri-apps/plugin-shell')
-  const isWindows = navigator.userAgent.includes('Windows')
-  const command = isWindows
-    ? Command.create('cmd', ['/c', 'openpencil-mcp-http'], {
-        env: {
-          OPENPENCIL_MCP_AUTH_TOKEN: authToken,
-          OPENPENCIL_MCP_CORS_ORIGIN: window.location.origin
-        }
-      })
-    : Command.create('openpencil-mcp-http', [], {
-        env: {
-          OPENPENCIL_MCP_AUTH_TOKEN: authToken,
-          OPENPENCIL_MCP_CORS_ORIGIN: window.location.origin
-        }
-      })
+  const command = Command.create('openpencil-mcp-http', [], {
+    env: {
+      OPENPENCIL_MCP_AUTH_TOKEN: authToken,
+      OPENPENCIL_MCP_CORS_ORIGIN: window.location.origin
+    }
+  })
 
   command.stderr.on('data', (raw: Uint8Array | number[] | string) => {
     console.error('[MCP]', decodeTauriStderr(raw))