Claude Code mod
katharsis
An output style that classifies each message by exchange type and shapes the reply to fit it: the answer first, a ceiling per type, reference codes that survive the session, and decisions handed back as questions
Install
/plugin marketplace add OpenScribbler/Katharsis
/plugin install katharsis@openscribblerMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, writes files, changes config, drives Claude, reads files, reads env vars, reads settings, reads mod state, draws
- Sees
- every prompt, classic hooks
- Draws in
AbovePromptPaneAssistantMessage- Hooks
prompt.submitclassic.Stopturn.completeui.focusui.closesession.startsession.endcommand.runui.render
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
- OpenScribbler/Katharsis
- Folder
.- Marketplace
openscribbler- Author
- Holden Hewett
- License
- MIT
- Last updated
- 1 November 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is katharsis?
An output style that classifies each message by exchange type and shapes the reply to fit it: the answer first, a ceiling per type, reference codes that survive the session, and decisions handed back as questions It is a mod for Claude Code, from OpenScribbler/Katharsis on GitHub.
What can the katharsis mod access?
Its widest reach is "writes or runs" (runs processes, writes files, changes config, drives Claude, reads files, reads env vars, reads settings, reads mod state, draws). It sees every prompt, classic hooks. It draws in AbovePrompt, Pane, AssistantMessage. Like any mod, it runs with your permissions.
How do I install katharsis?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add OpenScribbler/Katharsis and then /plugin install katharsis@openscribbler.
Is katharsis popular?
OpenScribbler/Katharsis has 5 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 1 November 2026.
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