Does Browser Use (MCP mode) work with ChatGPT (Codex)?
Not in our test. Browser Use (MCP mode) installed in ChatGPT (Codex) but failed our agent task on Oct 14, 2026. Details of what went wrong are below.
Result
ResultFailed
Date testedOct 14, 2026
Plan tested onChatGPT Plus
App versioncodex-cli 0.162.0-alpha.17.2
Modelaccount default (ChatGPT Plus)
Steps
- install OK
- connected OK
- tools visible Failed
- agent task: click reveal Failednavigate + interact + read back. The code is computed by page JavaScript only after the click.Why it failed: answer missing ['TP-4242']; no tool result containing ['TP-4242']
From our own harness run, not the maker’s claims. How we test.
What happened in this run
Install config we used
[mcp_servers.browser-use]
command = "uvx"
args = ["--from", "browser-use[cli]", "browser-use", "--mcp"]Connection check
server answered tool calls during the taskTools check
checked in task step
Agent task: click reveal
- Tool calls, in order:
browser-use:browser_navigate,browser-use:browser_get_state,browser-use:browser_navigate,browser-use:browser_get_state,browser-use:browser_close_all,browser-use:browser_navigate,browser-use:browser_get_state,browser-use:retry_with_browser_use_agent
Raw details from our harness log for this run. Secrets redacted.
Set it up in ChatGPT (Codex)
Copy-paste config for every app is on the Browser Use (MCP mode) page. Not connecting? ChatGPT (Codex) MCP troubleshooting.
Other apps we tested it in: Claude Code (failed) · Cursor (failed) · Claude Desktop (failed).