Claude Code mod
auto-compact
ターン終了時のコンテキスト使用率・ターン数、またはプロンプトキャッシュの失効を見て自動で Compaction し、要約をテキストに保存する。終了前の Issue 化・ドキュメント化を Agent に義務づけ、会話には何をやったか・何ができたか・次に何をやるかだけを残す
Install
/plugin marketplace add UtakataKyosui/utakata-cc-mod
/plugin install auto-compact@utakata-cc-modMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: writes files, drives Claude, reads files, reads the transcript, draws
- Sees
- classic hooks, compaction
- Hooks
classic.SessionStartclassic.PreModelSwitchprompt.composeturn.startturn.completesession.compact
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- UtakataKyosui/utakata-cc-mod
- Folder
plugins/auto-compact- Marketplace
utakata-cc-mod- Author
- UtakataKyosui
- Type
- Workflow mods
- License
- MIT
- Last updated
- 25 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is auto-compact?
ターン終了時のコンテキスト使用率・ターン数、またはプロンプトキャッシュの失効を見て自動で Compaction し、要約をテキストに保存する。終了前の Issue 化・ドキュメント化を Agent に義務づけ、会話には何をやったか・何ができたか・次に何をやるかだけを残す It is a mod for Claude Code, from UtakataKyosui/utakata-cc-mod on GitHub.
What can the auto-compact mod access?
Its widest reach is "writes or runs" (writes files, drives Claude, reads files, reads the transcript, draws). It sees classic hooks, compaction. Like any mod, it runs with your permissions.
How do I install auto-compact?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add UtakataKyosui/utakata-cc-mod and then /plugin install auto-compact@utakata-cc-mod.
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