Claude Code mod
cash-tax
Warns before an idle session's prompt cache expires and the next message re-reads the whole conversation at full price, with the token count and cost. /keepwarm pings the cache to keep it alive.
Install
/plugin marketplace add kevinfactor/claude-kit
/plugin install cash-tax@claude-kitMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: drives Claude, writes the prompt box, reads mod state, draws
- Sees
- every prompt
- Draws in
AbovePrompt- Hooks
session.startturn.startturn.completeprompt.submitcommand.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
- kevinfactor/claude-kit
- Folder
plugins/cash-tax- Marketplace
claude-kit- Author
- Kevin Factor
- Last updated
- 9 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is cash-tax?
Warns before an idle session's prompt cache expires and the next message re-reads the whole conversation at full price, with the token count and cost. /keepwarm pings the cache to keep it alive. It is a mod for Claude Code, from kevinfactor/claude-kit on GitHub.
What can the cash-tax mod access?
Its widest reach is "writes or runs" (drives Claude, writes the prompt box, reads mod state, draws). It sees every prompt. It draws in AbovePrompt. Like any mod, it runs with your permissions.
How do I install cash-tax?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add kevinfactor/claude-kit and then /plugin install cash-tax@claude-kit.
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