Continue a Claude Code session in Codex
Save a handoff in Claude Code and load it in Codex. Codex starts where Claude Code stopped, with your decisions and the next step. It works from Codex to Claude Code too.
Updated November 2026
How to do it
- 1
Connect Jotter in both
Add it to Claude Code with one command and install it in Codex from the shared plugin directory. Setup is below. Use the same email in both.
- 2
Say “jot this”
In Claude Code, at a good stopping point. Jotter saves a handoff of where things stand.
- 3
Say “continue my last handoff”
In Codex, in a fresh session. It loads the brief and carries on. Type
@Jotterfirst to name the plugin if you want to be explicit.
You're in an app's built-in browser, which isn't signed in to ChatGPT. Tap the menu (⋯) and choose Open in browser first.
Free for 10 jots, no card. About a minute to set up.
Set it up once
Claude Code
Run in your terminal:
claude mcp add --transport http jotter https://jotter.fyi/mcpCodex
Jotter is in the plugin directory that ChatGPT and Codex share. Install it there and sign in. In Codex, type @Jotter to call it by name.
Sign in with the same email in both, so your handoffs land in one account.
Why a handoff and not the whole session?
Each tool can resume its own sessions. A handoff is for crossing over to the other one. A short brief also gives the new agent a cleaner start than hundreds of messages of back and forth, because it sees the decisions and the next step first. And it stays saved after the session ends, so you can load it tomorrow, or in a third tool.
Going the other way: Codex to Claude Code
Same steps, reversed. In Codex, say “jot this” (type @Jotter first to name it). In Claude Code, say “continue my last handoff”. A jot is not tied to the assistant that saved it, so it loads in whichever tool you open next.
Questions
How do I continue a Claude Code session in Codex?
Connect Jotter in both tools once, using the same email. In Claude Code, say “jot this”. In Codex, start a fresh session and say “continue my last handoff”. Codex loads the brief and picks up from the next step.
Can I go from Codex to Claude Code?
Yes. Say “jot this” in Codex, then “continue my last handoff” in Claude Code. The steps are the same in both directions.
Does Jotter move my files or git changes?
No. Jotter moves text context only. If both tools work in the same repo, the files are already there.
Does Jotter copy my whole Claude Code session?
No. Jotter never reads your sessions. Claude Code saves what you ask it to save, usually a short handoff, and that is all Codex loads.
Is it only for handoffs?
No. “jot this” also saves plain notes, like a command, a preference, or a decision. Say “save this exactly” to keep the text word for word.
How much does it cost?
Free for 10 jots, kept forever. Pro is under $2 a month, billed $19 a year, for 5,000 jots.
Free for 10 jots, no card. About a minute to set up.
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