Plan Eng
Generate a structured engineering plan markdown for an idea, pre-filled with codebase facts (stack, dependencies, current critique score) from dragoon.json. Forces a test matrix, edge cases, migration plan, and review checklist. Use after /brief or before any non-trivial feature implementation. Output goes to .dragoon/plans/plan-eng-{slug}-{date}.md. Defaults to dry-run; pass --apply to write. Run as `node ~/.claude/skills/dragoon/skills/plan-eng/scripts/plan-eng.js "<idea>"`.
Security AStatic scan found no risk patternsHow grading works ›
From the source SKILL.md
Generates an engineering plan template that respects the codebase's stack and current quality bar.
What this skill does
Plan Eng is a community-contributed Claude Code skill in the operations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/plan-eng/ and loads when your prompt matches the skill's trigger.
Who uses this skill
The Plan Eng Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 153,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/plan-eng
curl -L https://claudskills.com/skills/plan-eng/SKILL.md \
-o ~/.claude/skills/plan-eng/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/plan-eng/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/plan-eng/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\plan-eng\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the Plan Eng Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/plan-eng/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Plan Eng skill do?
Generate a structured engineering plan markdown for an idea, pre-filled with codebase facts (stack, dependencies, current critique score) from dragoon.json. Forces a test matrix, edge cases, migration plan, and review checklist. Use after /brief or before any non-trivial feature implementation. Output goes to .dragoon/plans/plan-eng-{slug}-{date}.md. Defaults to dry-run; pass --apply to write. Run as `node ~/.claude/skills/dragoon/skills/plan-eng/scripts/plan-eng.js "<idea>"`.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Plan Eng skill?
Use Plan Eng when your Claude Code task falls under the General category — specifically in the operations area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Plan Eng" or describe the task and let Claude pick). Browse related skills at
/category/general/.
What is a Claude Code skill and how does the Plan Eng skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Plan Eng is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at
/learn/what-is-a-claude-skill/.
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
ClaudSkills. (2026). Plan Eng [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/plan-eng/
BibTeX
@misc{plan-eng-2026,
author = {ClaudSkills},
title = {Plan Eng [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/plan-eng/}
}Embed this skill
Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →
Badge
[](https://claudskills.com/skills/plan-eng/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/plan-eng.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/plan-eng.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Plan Eng"></iframe>
Security scan
Grade A · scanned 2026-07-18 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
Show this grade on your repo (click to copy):
[](https://claudskills.com/skills/plan-eng/#security)
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