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declaring-invariants

95 / 100 · Low risk

Fine to try.

By oaustegard/claude-skills (GitHub) · other · 158 stars · scanned at commit 487272b

Find tests that enumerate a domain by copying it, and declare the invariants a codebase depends on. Reports where a parametrize list, for-loop, or it.each iterates a hand-written subset of a dict/set/tuple/Enum that exists in the source, and names the members nothing covers. Use when reviewing tests, when a module gains a name-to-thing table, registry, enum, or dispatch map, before trusting a green suite as evidence a domain is covered, or when asked "is this test actually total", "does anythin…

Works with any agent that supports SKILL.md skills.

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What this skill can do

Other copies in this repository

oaustegard/claude-skills has 1 more folder with a skill named declaring-invariants. This page shows the lowest-scoring copy.

• plugins/code-intelligence/skills/declaring-invariants 100/100 · Low risk

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'declaring-invariants' ] || [ -L ~/.agents/skills/'declaring-invariants' ]; then echo 'A skill folder named declaring-invariants already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/oaustegard/claude-skills' "$d" && git -C "$d" checkout --quiet '487272b6d1d9a2c5248d9adfa2d7765f8ca2b6af' -- 'declaring-invariants' && mkdir -p ~/.agents/skills && cp -R "$d"/'declaring-invariants' ~/.agents/skills/'declaring-invariants' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'declaring-invariants' ~/.claude/skills/'declaring-invariants' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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