by stravu
(Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git worktrees. Test, compare approaches & manage AI-assisted development workflows in one desktop app.
# Add to your Claude Code skills
git clone https://github.com/stravu/crystalLast scanned: 4/22/2026
{
"issues": [
{
"type": "npm-audit",
"message": "electron: Electron: AppleScript injection in app.moveToApplicationsFolder on macOS",
"severity": "high"
}
],
"status": "WARNING",
"scannedAt": "2026-04-22T06:01:08.055Z",
"semgrepRan": false,
"npmAuditRan": true,
"pipAuditRan": true
}crystal is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by stravu. (Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git worktrees. Test, compare approaches & manage AI-assisted development workflows in one desktop app. It has 3,109 GitHub stars.
crystal returned warnings in SkillsLLM's automated security scan. It has no critical vulnerabilities, but review the flagged issues in the Security Report section before adding it to your workflow.
Clone the repository with "git clone https://github.com/stravu/crystal" and add it to your Claude Code skills directory (see the Installation section above).
crystal is primarily written in TypeScript. It is open-source under stravu on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh crystal against similar tools.
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Requires a passing catalog security scan. Resolve the flagged issues and resubmit to enable featuring.
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