Claude Code mod

cache-watch

Shows prompt-cache hit rate and time to expiry, and offers the cheapest way to carry on before the cache lapses.

Context & usage mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add paweechinagarn/claude-code-mods
/plugin install cache-watch@claude-code-mods

Mods 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 clipboard, reads mod state, draws
Sees
compaction, classic hooks
Draws in
AbovePromptPane
Hooks
session.startcommand.runturn.startturn.completeturn.stepsession.compactclassic.PostModelSwitchclassic.SessionStartui.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.
Claude Code docs

Details

Repository
paweechinagarn/claude-code-mods
Folder
cache-watch
Marketplace
claude-code-mods
Author
Pawee Chinagarn
Type
Context & usage mods
License
MIT
Last updated
12 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is cache-watch?

Shows prompt-cache hit rate and time to expiry, and offers the cheapest way to carry on before the cache lapses. It is a mod for Claude Code, from paweechinagarn/claude-code-mods on GitHub.

What can the cache-watch mod access?

Its widest reach is "writes or runs" (drives Claude, writes the clipboard, reads mod state, draws). It sees compaction, classic hooks. It draws in AbovePrompt, Pane. Like any mod, it runs with your permissions.

How do I install cache-watch?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add paweechinagarn/claude-code-mods and then /plugin install cache-watch@claude-code-mods.

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Warns you (desktop popup, optional sound) a few minutes before this session's prompt cache goes cold

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Compacts an idle Claude Code session while its prompt cache is warm, with an AFK mode, a handoff note, and a cache TTL countdown in the status line and above the prompt.

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EasyAIHenry/henry-mods

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