Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / testing

Plan Authoring

Category: Engineering  ·  Sub-category: testing  ·  Last updated:
Reusable implementation-plan authoring methodology. Use when running read-only discovery, drafting execution steps with CE Gate coverage, or preparing a plan for adversarial stress-testing and approval. DO NOT USE FOR: plan persistence, approval-policy enforcement, or direct implementation work (keep those in Issue-Planner.agent.md or use implementation-discipline)
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

<!-- platform-assumptions: markdown skill guidance for VS Code custom agents in Agent Orchestra; assumes Issue-Planner retains no-edit boundaries, approval prompting, and session-memory persistence semantics. --> <!-- markdownlint-disable-file MD041 MD003 -->

What this skill does

Plan Authoring is a community-contributed Claude Code skill in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/plan-authoring/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when running read-only discovery, drafting execution steps with CE Gate coverage, or preparing a plan for adversarial stress-testing and approval. DO NOT USE FOR: plan persistence, approval-policy enforcement, or direct implementation work (keep those in Issue-Planner.

Who uses this skill

The Plan Authoring Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ 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-authoring
curl -L https://claudskills.com/skills/plan-authoring/SKILL.md \
  -o ~/.claude/skills/plan-authoring/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/plan-authoring/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/plan-authoring/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\plan-authoring\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.

See pricing → Download desktop app

Frequently asked questions

How do I install the Plan Authoring Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/plan-authoring/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Plan Authoring skill do?
Reusable implementation-plan authoring methodology. Use when running read-only discovery, drafting execution steps with CE Gate coverage, or preparing a plan for adversarial stress-testing and approval. DO NOT USE FOR: plan persistence, approval-policy enforcement, or direct implementation work (keep those in Issue-Planner.agent.md or use implementation-discipline)
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 Authoring skill?
Use Plan Authoring when your Claude Code task falls under the Engineering category — specifically in the testing 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 Authoring" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Plan Authoring 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 Authoring is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
Grimblaz. (2026). Plan Authoring [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/plan-authoring/
BibTeX
@misc{plan-authoring-2026,
  author    = {Grimblaz},
  title     = {Plan Authoring [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/plan-authoring/}
}

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Security scan

Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

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[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/plan-authoring/#security)

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More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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