What is spare10?
spare10 is a Claude Code mod by chrisns that keeps the last part of your 5-hour and weekly quota for you. At the reserve, spare10 holds all work and asks you whether to continue. After a Resume, it asks again at the floor, by default. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | chrisns |
| Repository | chrisns/spare10-mod |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (60/100) |
| Rank | #2,905 of 5,272 Claude Code mods; #504 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-10 |
| Hooks | 9 events |
| Sees | /"^AskUserQuestion$"/ calls, every prompt, every tool call |
| Draws on | SessionMode |
Is spare10 safe to install?
spare10 scores 60/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; reads environment variables; watches every prompt or event. It passed 4 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 files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| 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 | |
$.env.get | reads env vars |
$.env.set | sets env vars |
$.prompt.fill | writes the prompt box |
$.prompt.read | |
$.prompt.submit | drives Claude |
$.session.id | |
$.session.surfaces | |
$.session.usage | |
$.settings.read | reads settings |
$.spare10.auto | |
$.spare10.limit | |
$.spare10.park | |
$.spare10.poke |
How do I install spare10?
- 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/chrisns/spare10-mod claude plugin validate ./spare10-mod/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add chrisns/spare10-mod && claude plugin install spare10@spare10
Or ask Claude to set it up
Paste this into Claude Code and it installs spare10 for you:
Install the "spare10" Claude Code mod from https://github.com/chrisns/spare10-mod. Run claude plugin validate on it first and show me what it can access before you enable it.