Does MCP Time (TheoBrigitte) work with ChatGPT (Codex)?

Q: Does MCP Time (TheoBrigitte) work with ChatGPT (Codex)?

Yes. In our test on 2026-10-19 (Codex CLI 0.162.0-alpha.17.2, @theo.foobar/mcp-time v0.4.0, plan: ChatGPT Plus), MCP Time (TheoBrigitte) passed install, connect, tools and an agent task.

Yes. MCP Time (TheoBrigitte) passed every step of our test in ChatGPT (Codex) on Oct 19, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed

Date testedOct 19, 2026

Plan tested onChatGPT Plus

App versionCodex CLI 0.162.0-alpha.17.2

Server package@theo.foobar/mcp-time v0.4.0

Connect timeconnect time not recorded

Modelgpt-6-luna (reasoning low)

Steps

install OK
connect OK
tools visible OK
agent task: time zones OK

From our own harness run, not the maker’s claims. How we test.

Versions tested

Codex CLI 0.162.0-alpha.17.2 · @theo.foobar/mcp-time v0.4.0 · connect time not recorded · tested Oct 19, 2026

Server package tested: @theo.foobar/mcp-time v0.4.0 (npm, Node v20.19.2; resolved 2026-10-19)

All 1 resolved dependencies

mcp-time-linux-x64==0.4.0

Captured with: npm ls --all --json in the npx env.

What happened in this run

Install config we used

[mcp_servers.mcp-time]
command = "npx"
args = ["-y", "@theo.foobar/mcp-time"]

Connection check

server answered tool calls during the task

Tools check

verified via task step: agent saw and called the server's tools

Agent task: time zones

Tool calls, in order: mcp-time:current_time

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 MCP Time (TheoBrigitte) page. Not connecting? ChatGPT (Codex) MCP troubleshooting.

Other apps we tested it in: Claude Code (passed) · Cursor (passed) · Claude Desktop (passed).

All MCP servers tested in ChatGPT (Codex)