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ClaudSkills / Dev Tools / linters-formatters

Sdlc Decide

Category: Dev Tools  ·  Sub-category: linters-formatters  ·  Last updated:
Record an architectural decision as a machine-checkable invariant so an edit that breaks it is DENIED, not just discouraged. Use when the user runs /sdlc-decide, says "make this a rule / an invariant", "enforce this", "stop us breaking X", or after a retrospective proposes a standing rule that a linter can't catch.
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From the source SKILL.md

The registry behind LoopSmith's only non-negotiable gate. Every other guardrail here is discipline a model is asked to follow — and a model can talk itself past discipline, especially at 3am on iteration forty of an autonomous run. A registered invariant is different: the edit is refused by a script that does not negotiate.

What this skill does

Sdlc Decide is a community-contributed Claude Code skill in the linters-formatters sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/sdlc-decide/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user runs /sdlc-decide, says "make this a rule / an invariant", "enforce this", "stop us breaking X", or after a retrospective proposes a standing rule that a linter can't catch.

Who uses this skill

The Sdlc Decide Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 176,000+ 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/sdlc-decide
curl -L https://claudskills.com/skills/sdlc-decide/SKILL.md \
  -o ~/.claude/skills/sdlc-decide/SKILL.md

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

Skills live at ~/.claude/skills/sdlc-decide/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\sdlc-decide\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 Sdlc Decide Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/sdlc-decide/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Sdlc Decide skill do?
Record an architectural decision as a machine-checkable invariant so an edit that breaks it is DENIED, not just discouraged. Use when the user runs /sdlc-decide, says "make this a rule / an invariant", "enforce this", "stop us breaking X", or after a retrospective proposes a standing rule that a linter can't catch.
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 Sdlc Decide skill?
Use Sdlc Decide when your Claude Code task falls under the Dev Tools category — specifically in the linters formatters 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 Sdlc Decide" or describe the task and let Claude pick). Browse related skills at /category/tools/.
What is a Claude Code skill and how does the Sdlc Decide 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. Sdlc Decide is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Dev Tools 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
swapnil-agrim. (2026). Sdlc Decide [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/sdlc-decide/
BibTeX
@misc{sdlc-decide-2026,
  author    = {swapnil-agrim},
  title     = {Sdlc Decide [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/sdlc-decide/}
}

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Grade A · scanned 2026-08-04 — free static scan against the OWASP Agentic Skills Top 10.

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