Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Product / prd-spec

Plan A Feature

Category: Product  ·  Sub-category: prd-spec  ·  Last updated:
Builds a feature specification from scratch through a relentless, evidence-based interview that walks the design tree decision-by-decision, resolving dependencies as it goes. Use when the user wants to plan, design, scope, specify, or flesh out a new feature, capability, or system behavior before implementation — including requests like "help me plan X", "spec out this feature", "design the Y flow", or "let's figure out what it should do". Explores the codebase, project documentation, coding standards, and ADRs to resolve questions before asking the user, and always offers a recommended answer when questions must be surfaced. Produces a feature-specification.md focused on system behaviors, coordinations, processes, and user interactions — not implementation detail. Does not refine or stress-test an existing plan — use iterative-plan-review. Does not investigate bugs or failures — use investigate. Does not analyze existing architecture — use architectural-analysis. Does not document already-built features — use project-documentation. Does not record architectural decisions — use architectural-decision-record.
Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Plan A Feature includes pricing or quota commentary. At roughly 4,754 words the SKILL.md is on the longer end of the catalog distribution.

License
MIT
Original author
testdouble
Indexed lastmod
Catalog position
Product · prd-spec
Indexed related skills
10

How Plan A Feature fits the catalog

Plan A Feature sits in the Product category under the prd-spec sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

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

When to invoke it: Use when the user wants to plan, design, scope, specify, or flesh out a new feature, capability, or system behavior before implementation — including requests like "help me plan X", "spec out this feature", "design the Y flow", or "let's figure out what it should do". Explores the codebase, project documentation, coding standards, and ADRs to resolve questions before asking the user, and always offers a recommended answer when questions must be surfaced.

Who uses this skill

The Plan A Feature Claude Code skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ 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-a-feature
curl -L https://claudskills.com/skills/plan-a-feature/SKILL.md \
  -o ~/.claude/skills/plan-a-feature/SKILL.md

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

Skills live at ~/.claude/skills/plan-a-feature/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\plan-a-feature\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 A Feature Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/plan-a-feature/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Plan A Feature skill do?
Builds a feature specification from scratch through a relentless, evidence-based interview that walks the design tree decision-by-decision, resolving dependencies as it goes. Use when the user wants to plan, design, scope, specify, or flesh out a new feature, capability, or system behavior before implementation — including requests like "help me plan X", "spec out this feature", "design the Y flow", or "let's figure out what it should do". Explores the codebase, project documentation, coding standards, and ADRs to resolve questions before asking the user, and always offers a recommended answer when questions must be surfaced. Produces a feature-specification.md focused on system behaviors, coordinations, processes, and user interactions — not implementation detail. Does not refine or stress-test an existing plan — use iterative-plan-review. Does not investigate bugs or failures — use investigate. Does not analyze existing architecture — use architectural-analysis. Does not document already-built features — use project-documentation. Does not record architectural decisions — use architectural-decision-record.
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 A Feature skill?
Use Plan A Feature when your Claude Code task falls under the Product category — specifically in the prd spec 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 A Feature" or describe the task and let Claude pick). Browse related skills at /category/product/.
What is a Claude Code skill and how does the Plan A Feature 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 A Feature is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product 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
testdouble. (2026). Plan A Feature [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/plan-a-feature/
BibTeX
@misc{plan-a-feature-2026,
  author    = {testdouble},
  title     = {Plan A Feature [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/plan-a-feature/}
}

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Security scan

Grade A · scanned 2026-07-06 — 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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Browse all Product skills → Top 100 skills
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