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Ultraplan is in research preview. Behavior and capabilities may change based on feedback.
Ultraplan hands a planning task from your local CLI to a Claude Code on the web session running in plan mode. Claude drafts the plan in the cloud while you keep working in your terminal. When the plan is ready, you open it in your browser to comment on specific sections, ask for revisions, and choose where to execute it. This is useful when you want a richer review surface than the terminal offers:
  • Targeted feedback: comment on individual sections of the plan instead of replying to the whole thing
  • Hands-off drafting: the plan is generated remotely, so your terminal stays free for other work
  • Flexible execution: approve the plan to run on the web and open a pull request, or send it back to your terminal
Ultraplan requires a Claude Code on the web account and a GitHub repository. The cloud session runs in your account’s default cloud environment.

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Launch ultraplan from the CLI

From your local CLI session, you can launch ultraplan in three ways:
  • Command: run /ultraplan followed by your prompt
  • Keyword: include the word ultraplan anywhere in a normal prompt
  • From a local plan: when Claude finishes a local plan and shows the approval dialog, choose No, refine with Ultraplan on Claude Code on the web to send the draft to the cloud for further iteration
For example, to plan a service migration with the command: 
/ultraplan migrate the auth service from sessions to JWTs
The command and keyword paths open a confirmation dialog before launching. The local plan path skips this dialog because that selection already serves as confirmation. If Remote Control is active, it disconnects when ultraplan starts because both features occupy the claude.ai/code interface and only one can be connected at a time. After the cloud session launches, your CLI’s prompt input shows a status indicator while the remote session works:
StatusMeaning
◇ ultraplanClaude is researching your codebase and drafting the plan
◇ ultraplan needs your inputClaude has a clarifying question; open the session link to respond
◆ ultraplan readyThe plan is ready to review in your browser
Run /tasks and select the ultraplan entry to open a detail view with the session link, agent activity, and a Stop ultraplan action. Stopping archives the cloud session and clears the indicator; nothing is saved to your terminal.

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Review and revise the plan in your browser

When the status changes to ◆ ultraplan ready, open the session link to view the plan on claude.ai. The plan appears in a dedicated review view:
  • Inline comments: highlight any passage and leave a comment for Claude to address
  • Emoji reactions: react to a section to signal approval or concern without writing a full comment
  • Outline sidebar: jump between sections of the plan
When you ask Claude to address your comments, it revises the plan and presents an updated draft. You can iterate as many times as needed before choosing where to execute.

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Choose where to execute

When the plan looks right, you choose from the browser whether Claude implements it in the same cloud session or sends it back to your waiting terminal.

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Execute on the web

Select Approve Claude’s plan and start coding in your browser to have Claude implement it in the same Claude Code on the web session. Your terminal shows a confirmation, the status indicator clears, and the work continues in the cloud. When the implementation finishes, review the diff and create a pull request from the web interface.

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Send the plan back to your terminal

Select Approve plan and teleport back to terminal in your browser to implement the plan locally with full access to your environment. This option appears when the session was launched from your CLI and the terminal is still polling. The web session is archived so it doesn’t continue working in parallel. Your terminal shows the plan in a dialog titled Ultraplan approved with three options:
  • Implement here: inject the plan into your current conversation and continue from where you left off
  • Start new session: clear the current conversation and begin fresh with only the plan as context
  • Cancel: save the plan to a file without executing it; Claude prints the file path so you can return to it later
If you start a new session, Claude prints a claude --resume command at the top so you can return to your previous conversation later.