Claude Code mod
footprint
Estimated electricity () and water () behind each Claude Code turn and session, shown on the spinner, the turn's closing line and the hint line; /footprint opens the breakdown with ranges and sources
Install
/plugin marketplace add christian-engels/claude-footprint
/plugin install footprint@claude-footprintMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L1Reads: reads files, reads env vars, reads mod state, draws
- Sees
- every prompt, every tool call
- Draws in
SpinnerTurnDurationPromptHintPane- Hooks
session.startsession.endcommand.runprompt.submitturn.stepmodel.completetool.callturn.completeui.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
- christian-engels/claude-footprint
- Folder
.- Marketplace
claude-footprint- Author
- Christian Engels
- License
- MIT
- Last updated
- 11 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is footprint?
Estimated electricity () and water () behind each Claude Code turn and session, shown on the spinner, the turn's closing line and the hint line; /footprint opens the breakdown with ranges and sources It is a mod for Claude Code, from christian-engels/claude-footprint on GitHub.
What can the footprint mod access?
Its widest reach is "reads" (reads files, reads env vars, reads mod state, draws). It sees every prompt, every tool call. It draws in Spinner, TurnDuration, PromptHint, Pane. Like any mod, it runs with your permissions.
How do I install footprint?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add christian-engels/claude-footprint and then /plugin install footprint@claude-footprint.
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