What is ccoverhead?
ccoverhead is a Claude Code mod by shengyy. ccOverhead: context, per-turn growth, quota, cache warmth, native cost and agent activity above the Claude Code prompt, with session and agent details. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | shengyy |
| Repository | shengyy/ccoverhead |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (100/100) |
| Rank | #4,589 of 5,272 Claude Code mods; #891 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-11 |
| Hooks | 12 events |
| Sees | classic hooks, compaction, subagent spawns |
| Draws on | AbovePrompt, Pane |
Is ccoverhead safe to install?
ccoverhead scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.agent.list | |
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.config.list | |
$.session.id | |
$.session.model | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install ccoverhead?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/shengyy/ccoverhead claude plugin validate ./ccoverhead/plugin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add shengyy/ccoverhead && claude plugin install ccoverhead@ccoverhead
Or ask Claude to set it up
Paste this into Claude Code and it installs ccoverhead for you:
Install the "ccoverhead" Claude Code mod from https://github.com/shengyy/ccoverhead/tree/main/plugin. Run claude plugin validate on it first and show me what it can access before you enable it.