# J Space (agent skill)

> J Space is an agent skill (a SKILL.md file) from Tiger3807861189/J-Space-Cognition-Suite. Operate a selective workspace for complex reasoning, long tasks, repository engineering, coordinated agents, and authorized security analysis. It works with Claude Code and Codex and has 3,000 GitHub stars.

Operate a selective workspace for complex reasoning, long tasks, repository engineering, coordinated agents, and authorized security analysis. Use when work requires durable state, evidence, cross-file consistency, or recovery; keep direct answers lightweight. You make the workspace useful by binding what you hold to what you do, record, and check. Read this entry before routing. Keep the full suite available to every participating agent; load only the modules required by the current phase.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Tiger3807861189/J-Space-Cognition-Suite |
| Skill path | j-space/SKILL.md |
| Skill name | j-space |
| GitHub stars | 3,000 |
| Installs on skills.sh | not listed |
| License | Apache-2.0 |
| Skills in repo | 1 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Codex |
| Category | Security |
| Last commit | Sep 14, 2026 |

## When it triggers

- Use when work requires durable state, evidence, cross-file consistency, or recovery; keep direct answers lightweight.

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/Tiger3807861189/J-Space-Cognition-Suite.git
cp -r J-Space-Cognition-Suite/j-space ~/.claude/skills/j-space   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/Tiger3807861189/J-Space-Cognition-Suite.git
cp -r J-Space-Cognition-Suite/j-space .agents/skills/j-space   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/Tiger3807861189/J-Space-Cognition-Suite.git
cp -r J-Space-Cognition-Suite/j-space .cursor/skills/j-space   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/tiger3807861189-j-space
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