What is ctx-slim?
ctx-slim is a Claude Code mod by Bearisbug that 按目录规则去掉用不上的 MCP 服务器说明，省上下文；规则在 userConfig 的 rules 里配置，没配规则时什么都不做. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | Bearisbug |
| Repository | Bearisbug/cc-mods |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (88/100) |
| Rank | #2,714 of 5,272 Claude Code mods; #1,128 in Interface |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 2 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is ctx-slim safe to install?
ctx-slim scores 88/100 on the MCPMods security check: Low risk. Things to review: reads environment variables. It passed 7 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 |
| Reads environment variables | Review |
| 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 |
|---|---|
$.clock.after | |
$.env.get | reads env vars |
$.fs.ancestors | reads files |
$.fs.exists | reads files |
$.session.cwd | |
$.state.get | |
$.state.set | |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
How do I install ctx-slim?
- 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/Bearisbug/cc-mods claude plugin validate ./cc-mods/ctx-slim
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Bearisbug/cc-mods && claude plugin install ctx-slim@cc-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs ctx-slim for you:
Install the "ctx-slim" Claude Code mod from https://github.com/Bearisbug/cc-mods/tree/main/ctx-slim. Run claude plugin validate on it first and show me what it can access before you enable it.
More from Bearisbug/cc-mods
This repository has 3 Claude Code mods on MCPMods.