codex - 💡(How to fix) Fix Computer Use MCP denies Chrome approval after TCC reset and app restart [1 comments, 2 participants]

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openai/codex#19077Fetched 2026-04-24 06:01:18
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Computer Use in Codex App consistently fails before interacting with Google Chrome:

Computer Use approval denied via MCP elicitation for app 'com.google.Chrome'.

This started suddenly around 2026-04-22/2026-04-23. The same Computer Use flow reportedly worked a few days earlier. Restarting Codex completely multiple times and resetting macOS TCC permissions did not resolve it.

Error Message

After the reset and multiple Codex restarts, Computer Use still returned the same error. 3. The error should surface a user-actionable recovery step instead of just approval denied via MCP elicitation.

Root Cause

Computer Use in Codex App consistently fails before interacting with Google Chrome:

Computer Use approval denied via MCP elicitation for app 'com.google.Chrome'.

This started suddenly around 2026-04-22/2026-04-23. The same Computer Use flow reportedly worked a few days earlier. Restarting Codex completely multiple times and resetting macOS TCC permissions did not resolve it.

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Bug Report: Computer Use MCP denies Chrome approval after TCC reset and app restart

Summary

Computer Use in Codex App consistently fails before interacting with Google Chrome:

Computer Use approval denied via MCP elicitation for app 'com.google.Chrome'.

This started suddenly around 2026-04-22/2026-04-23. The same Computer Use flow reportedly worked a few days earlier. Restarting Codex completely multiple times and resetting macOS TCC permissions did not resolve it.

Environment

  • macOS: 15.6.1 (Build 24G90)
  • Codex App bundle id: com.openai.codex
  • Codex App version: 26.417.41555
  • Codex App build: 1858
  • Computer Use helper bundle id: com.openai.sky.CUAService
  • Computer Use helper version: 1.0
  • Computer Use helper build: 755
  • Codex CLI: codex-cli 0.122.0
  • oh-my-codex: v0.14.2
  • Node.js: v22.19.0
  • Platform: darwin arm64
  • Target app: Google Chrome, bundle id com.google.Chrome

Reproduction Steps

  1. Start Codex App.

  2. Ensure Google Chrome is open.

  3. Trigger Computer Use from Codex against Google Chrome, for example:

    get_app_state({"app":"Google Chrome"})
  4. Observe the failure:

    Computer Use approval denied via MCP elicitation for app 'com.google.Chrome'.

Expected Behavior

Computer Use should request or reuse the proper permission and return Chrome window state/screenshot/accessibility tree, or show a user-actionable permission prompt.

Actual Behavior

Computer Use immediately returns:

Computer Use approval denied via MCP elicitation for app 'com.google.Chrome'.

No usable Chrome state is returned. Repeating the call produces the same failure.

Troubleshooting Already Tried

The user already fully quit and relaunched Codex App multiple times.

TCC reset was run successfully for both Codex App and the Computer Use helper:

tccutil reset Accessibility com.openai.codex
tccutil reset AppleEvents com.openai.codex
tccutil reset ScreenCapture com.openai.codex
tccutil reset Accessibility com.openai.sky.CUAService
tccutil reset AppleEvents com.openai.sky.CUAService
tccutil reset ScreenCapture com.openai.sky.CUAService

All commands returned success:

Successfully reset Accessibility approval status for com.openai.codex
Successfully reset Accessibility approval status for com.openai.sky.CUAService
Successfully reset AppleEvents approval status for com.openai.codex
Successfully reset AppleEvents approval status for com.openai.sky.CUAService
Successfully reset ScreenCapture approval status for com.openai.codex
Successfully reset ScreenCapture approval status for com.openai.sky.CUAService

After the reset and multiple Codex restarts, Computer Use still returned the same error.

Important Diagnostic Detail

Direct AppleEvents from the shell can still query Chrome successfully:

osascript -e 'tell application "Google Chrome" to get URL of active tab of front window'

Result:

http://localhost:7357/

This suggests Chrome automation is not globally blocked at the OS level. The failure appears specific to the Codex Computer Use MCP approval/elicitation path or the com.openai.sky.CUAService helper approval flow.

Process State Observed

Codex App and Computer Use helper were running:

/Applications/Codex.app/Contents/MacOS/Codex
/Applications/Codex.app/Contents/Resources/codex app-server --analytics-default-enabled
./Codex Computer Use.app/Contents/SharedSupport/SkyComputerUseClient.app/Contents/MacOS/SkyComputerUseClient mcp

Impact

Computer Use is unusable for Chrome-based runtime smoke tests. This blocks browser-based validation from Codex App even though ordinary shell-level AppleEvents to Chrome still work.

Request

Please investigate whether:

  1. Computer Use MCP app approval/elicitation state can get stuck in a denied state independent of macOS TCC.
  2. com.openai.sky.CUAService needs additional reset/permission handling after Codex App updates.
  3. The error should surface a user-actionable recovery step instead of just approval denied via MCP elicitation.

If there is an internal state file/cache that stores the denied elicitation result, please provide the supported way to reset it.

extent analysis

TL;DR

The issue might be resolved by resetting the com.openai.sky.CUAService helper's internal state or checking for additional permission handling requirements after Codex App updates.

Guidance

  • Investigate if there's an internal state file or cache for com.openai.sky.CUAService that stores the denied elicitation result and provide the supported way to reset it.
  • Check if com.openai.sky.CUAService needs additional reset or permission handling after Codex App updates, potentially requiring manual intervention or a user-actionable recovery step.
  • Verify if the issue is specific to the Computer Use MCP approval/elicitation path or the com.openai.sky.CUAService helper approval flow by testing with other apps or services.
  • Consider checking the system logs for any errors or warnings related to com.openai.sky.CUAService or the Computer Use feature to gather more information about the issue.

Notes

The provided information suggests that the issue is specific to the Codex Computer Use feature and the com.openai.sky.CUAService helper, and that ordinary shell-level AppleEvents to Chrome still work. However, without more information about the internal workings of the Codex App and the Computer Use feature, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Investigate and potentially reset the internal state of com.openai.sky.CUAService or check for additional permission handling requirements after Codex App updates, as this seems to be the most likely cause of the issue.

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codex - 💡(How to fix) Fix Computer Use MCP denies Chrome approval after TCC reset and app restart [1 comments, 2 participants]