Claude Code mod
clawd
The MatSci octopus runs around in the band above the Claude Code prompt and reacts to the session.
Install
/plugin marketplace add AutomatedAlchemy/clawd-matsci
/plugin install clawd@clawd-matsciMods 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, drives Claude, reads files, reads env vars, reads mod state, persists state, draws
- Sees
- every prompt, subagent spawns, every tool call, ? calls
- Draws in
CommandOutputAbovePrompt- Hooks
session.startprompt.submitprompt.editagent.offertool.checkagent.spawntool.callturn.completecommand.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
- AutomatedAlchemy/clawd-matsci
- Folder
plugin- Marketplace
clawd-matsci- Author
- Steffen Probst
- License
- MIT
- Last updated
- 26 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is clawd?
The MatSci octopus runs around in the band above the Claude Code prompt and reacts to the session. It is a mod for Claude Code, from AutomatedAlchemy/clawd-matsci on GitHub.
What can the clawd mod access?
Its widest reach is "writes or runs" (runs processes, writes files, drives Claude, reads files, reads env vars, reads mod state, persists state, draws). It sees every prompt, subagent spawns, every tool call, ? calls. It draws in CommandOutput, AbovePrompt. Like any mod, it runs with your permissions.
How do I install clawd?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add AutomatedAlchemy/clawd-matsci and then /plugin install clawd@clawd-matsci.
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