Plan Check

Plan Check is an Automation skill for Claude Code, published by FerroxLabs in ijfw.

210 stars40 forkson FerroxLabs/ijfwAdded 2026/09/04Repository updated 2026/08/31

ai-agentsai-codingclaude-codecodexcursordeveloper-toolsgemini-cligithub-copilotmcpmcp-servermemorynodejstypescriptwindsurf

Install in seconds

Install Plan Check

Copy Plan Check into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/FerroxLabs/ijfw/tree/main/claude/skills/ijfw-plan-check ~/.claude/skills/ijfw-plan-check

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/FerroxLabs/ijfw.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: claude/skills/ijfw-plan-check/SKILL.md in FerroxLabs/ijfw
Installs to: ~/.claude/skills/ijfw-plan-check
Collection: One of 25 skills cataloged from this repository
Category: Automation — 1860 skills

What Plan Check does

Plan Check audits a plan before execution by tracing tasks to brief criteria, flagging scope leaks, and checking risk and dependency order. Use it when you want a decisive pass, flag, or block verdict before building.

Plan Check is cataloged under Automation on DirSkills. Plan Check comes from a repository tagged ai-agents, ai-coding, claude-code, codex and cursor.

Documentation

README

Excerpt

Pre-execution audit gate. Runs before EXECUTE. Verdict is decisive.

Commands Plan Check provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/ijfw-plan

Frequently asked about Plan Check

What else does FerroxLabs publish alongside Plan Check?
Plan Check is one of 25 skills that DirSkills catalogs from FerroxLabs/ijfw, the repository it ships in. Its siblings there include Auto Memorize, Critique and IJFW AGENTS.md Manager. Each one is a separate skill with its own page in this directory, installs the same way Plan Check does, and is maintained by FerroxLabs in that same repository. The rest of the collection is listed on the FerroxLabs/ijfw page.
How does Plan Check compare to other Automation skills?
Plan Check ranks #1701 by stars among the 1860 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Plan Check against them. Open each page to compare what they document and how they install.