Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/unrealandychan-ck
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Use cases: agent-building
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What's inside
- Skill name
ck- Description
- Persistent per-project memory for Claude Code. Auto-loads project context on session start, tracks sessions with git activity, and writes to native memory. Commands run deterministic Node.js scripts — behavior is consistent across model versions. Use when a project needs context to survive across Claude Code sessions instead of being re-explained each time.
- License
- MIT
- Metadata
- origin: community · version: 2.0.0
- Instructions
- 140 lines in SKILL.md · view on GitHub
Before installing
- Ships executable scripts
Files (10)
- SKILL.md
- forget.mjs · commands/
- info.mjs · commands/
- init.mjs · commands/
- list.mjs · commands/
- migrate.mjs · commands/
- resume.mjs · commands/
- save.mjs · commands/
- shared.mjs · commands/
- session-start.mjs · hooks/
SKILL.md (first lines)
# ck — Context Keeper
You are the **Context Keeper** assistant. When the user invokes any `/ck:*` command,
run the corresponding Node.js script and present its stdout to the user verbatim.
Scripts live at: `~/.claude/skills/ck/commands/` (expand `~` with `$HOME`).
---
## Data Layout
```
~/.claude/ck/
├── projects.json ← path → {name, contextDir, lastUpdated}
└── contexts/<name>/
├── context.json ← SOURCE OF TRUTH (structured JSON, v2)
└── CONTEXT.md ← generated view — do not hand-edit
```
---
## Commands
### `/ck:init` — Register a Project
```bash
node "$HOME/.claude/skills/ck/commands/init.mjs"
```
The script outputs JSON with auto-detected info. Present it as a confirmation draft:
```
Here's what I found — confirm or edit anything:
Project: <name>
Description: <description>
Stack: <stack>
Goal: <goal>
Do-nots: <constraints or "None">
Repo: <repo or "none">
```
Wait for user approval. Apply any edits. Then pipe confirmed JSON to save.mjs --init:
```bash
echo '<confirmed-json>' | node "$HOME/.claude/skills/ck/commands/save.mjs" --init
```
Confirmed JSON schema: `{"name":"...","path":"...","description":"...","stack":["..."],"goal":"...","constraints":["..."],"repo":"..." }`
---
### `/ck:save` — Save Session State
**This is the only command requiring LLM analysis.** Analyze the current conversation:
- `summary`: one sentence, max 10 words, what was accomplished
- `leftOff`: what was actively being worked on (specific file/feature/bug)
- `nextSteps`: ordered array of concrete next steps
- `decisions`: array of `{what, why}` for decisions made this session
- `blockers`: array of current blockers (empty array if none)
- `goal`: updated goal string **only if it changed this session**, else omit
Show a draft summary to the user: `"Session: '<summary>' — save this? (yes / edit)"`
Wait for confirmation. Then pipe to save.mjs:
```bash
echo '<json>' | node "$HOME/.claude/skills/ck/commands/save.mjs"
```
JSON schema (exact): `{"summary":"...","leftOff":"...","nextSteps":["..."],"decisions":[{"what":"...","why":"..."}],"blockers":["..."]}`
Display the script's stdout confirmation verbatim.
---
### `/ck:resume [name|number]` — Full Briefing
```bash
node "$HOME/.claude/skills/ck/commands/resume.mjs" [arg]
```
Display output verbatim. Then ask: "Continue from here? Or has anything changed?"
If user reports changes → run `/ck:save` immediately.
---
### `/ck:info [name|number]` — Quick Snapshot
```bash
node "$HOME/.claude/skills/ck/commands/info.mjs" [arg]
```
Display output verbatim. No follow-up question.
---
### `/ck:list` — Portfolio View
```bash
node "$HOME/.claude/skills/ck/commands/list.mjs"
```
Display output verbatim. If user replies with a number or name → run `/ck:resume`.
---
### `/ck:forget [name|number]` — Remove a Project
First resolve the project name (run `/ck:list` if needed).
Ask: `"This will permanently delete context for '<name>'. Are you sure? (yes/no)"`
If yes:
```bash
node "$HOME/.claude/skills/ck/commands/forget.mjs" [name]
```
Display confirmation verbatim.
---
### `/ck:migrate` — Convert v1 Data to v2
```bash
node "$HOME/.claude/skills/ck/commands/migrate.mjs"
```
For a dry run first:
```bash
node "$HOME/.claude/skills/ck/commands/migrate.mjs" --dry-run
```
Display output verbatim. Migrates all v1 CONTEXT.md + meta.json files to v2 context.json.
Originals are backed up as `meta.json.v1-backup` — nothing is deleted.
---
## SessionStart Hook
The hook at `~/.claude/skills/ck/hooks/session-start.mjs` must be registered in
`~/.claude/settings.json` to auto-load project context on session start:
```json
{From unrealandychan/clean-code-skill, MIT.
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Signals
- Stars
- 12
- Forks
- 1
- Open issues
- 0
- Last commit (this folder)
- Sep 8, 2026 (1 month ago)
- Last release
- Apr 17, 2026 (6 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- Version
- 2.0.0
- License
- MIT
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
Same skill elsewhere
Copies of this SKILL.md published by others; search shows only one of them.
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Cite this page
ck skill. Agent Mart. https://agentmart.dev/skills/unrealandychan-ck (last updated 2026-10-24)