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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

ExitPlanMode

tool in the build JSON

A Claude Code tool, read out of the shipped bundle. It has been in the build since v2.1.138, including the newest one read.

Most of this release's changed code is the build system moving modules, not features changing.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.242.

First seen v2.1.138 9 May 2026
Last seen v2.1.308 22 Oct 2026
Builds149 / 149on this box, as of v2.1.308
Written about v1.0.16 first named in a changelog, 6 Jun 2025
v2.1.0in the build not in the build never minedv2.1.308

In the changelogs

27

Releases whose published page names ExitPlanMode.

  1. v2.1.304
    ExitPlanMode can take the plan directly in sessions with no plan file

    In sessions with no plan file, ExitPlanMode now needs the whole plan passed in its plan argument

    found in this entry's text

  2. v2.1.304
    Plan mode without a plan file can hand the plan to the approval step

    In plan mode with no plan file, Claude can now pass its plan straight to the exit step, and approval skips the saved-file line

    found in this entry's text

  3. v2.1.304
    Plan approval can work in sessions with no plan file

    A new version of the plan approval instructions tells Claude to send the whole plan as Markdown instead of writing a file

    found in this entry's text

  4. v2.1.285
    Forked subagents can no longer exit plan mode

    A forked subagent that tries to leave plan mode is now refused, because that belongs to the session that started it

    found in this entry's text, named in this entry

  5. v2.1.277
    New per-tool "backgrounding" policy field, most tools opt out

    Tools now declare a backgrounding policy; most tools opt out of running in the background

    found in this entry's text

  6. v2.1.269
    ExitPlanMode tool rewritten to lazy create() factory

    ExitPlanMode tool internally restructured into a factory pattern, no behavior change

    found in this entry's text

  7. v2.1.265
    Plan-review 'view as artifact' step removed from ExitPlanMode UI

    Exiting plan mode no longer offers to show the plan as an artifact before running it

    found in this entry's text, named in this entry

  8. v2.1.259
    ExitPlanMode gains a swarm plan-approval submission path

    Exiting plan mode inside a team context submits your plan to the team lead's inbox for approval instead of just switching modes.

    found in this entry's text, named in this entry

  9. v2.1.248
    Tool and vendor code moved out of lazy wrappers

    Lots of tool and cloud-identity code now loads at startup rather than on demand.

    found in this entry's text

  10. v2.1.248
    ExitPlanMode reads the plan from the plan file

    ExitPlanMode now reads your plan from the plan file instead of taking it as an argument.

    found in this entry's text

  11. v2.1.248
    ExitPlanMode loads the plan through storage and flags stripped aborts

    Plan mode loads plans stored outside the local transcript correctly.

    found in this entry's text

  12. v2.1.246
    Plan mode can be restored by reading the transcript

    Resuming a session can now re-enter plan mode by reading your transcript, and this is on by default.

    found in this entry's text

  13. v2.1.242
    Much of this release's diff is re-bundling, not behaviour

    Most of this release's changed code is the build system moving modules, not features changing.

    found in this entry's text

  14. v2.1.118
    --plan-mode-instructions CLI Flag

    found in this entry's text

  15. v2.1.76
    ExitPlanMode Tool Description Clarified

    found in this entry's text

  16. v2.1.14
    Simplified ExitPlanMode Tool Description

    found in this entry's text

  17. v2.1.10
  18. v2.1.6
    ExitPlanMode Permission Requests

    found in this entry's text

  19. v2.0.54
    Plan Mode Data Handling Refactored

    found in this entry's text

  20. v2.0.41
    ExitPlanMode Tool Clarification

    found in this entry's text

  21. v2.0.32
    Prompt Template Consolidation

    found in this entry's text

  22. v2.0.30
    ExitPlanMode Tool

    found in this entry's text

  23. v2.0.21
    Enhanced Plan Mode Guidance

    found in this entry's text

  24. v2.0.10
    Model Switching from Plan Mode

    found in this entry's text

  25. v1.0.35
    Tool System Improvements

    found in this entry's text

  26. v1.0.20
    New Features

    found in this entry's text

  27. v1.0.16
    Plan Mode Support

    found in this entry's text

First cited

0

No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.

Presence across releases

2
BuildsHow manyDatesReading
v2.1.0 – v2.1.137116 releases7 Jan 2026 → 9 May 2026 ·never mined
v2.1.138 – v2.1.308149 builds9 May 2026 → 22 Oct 2026 ◆in the build

Build by build

265

One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.

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Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the tool does. All tools.

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