cognitx-leyton

Arch Check — Development skill for Claude Code

Development community

Run built-in architecture-conformance policies — cycles, cross-package imports, layer violations.

How to install Arch Check

Installs to ~/.claude/commands/cognitx-leyton-graphrag-code-arch-check.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/cognitx-leyton/graphrag-code/HEAD/.claude/commands/arch-check.md -o ~/.claude/commands/cognitx-leyton-graphrag-code-arch-check.md

Restart Claude Code, or start a new session, for it to be picked up.

What Arch Check does

allowed-tools: Bash(codegraph query:), Bash(codegraph query:), Bash(.venv/bin/codegraph query:*) description: Run built-in architecture-conformance policies — cycles, cross-package imports, layer violations

Usage

/arch-check

No args. Runs three built-in policies and reports violations. Zero violations = architecture still holds. Non-zero = investigate.

Policy	What it detects
Import cycles	File `IMPORTS` paths of length 2-6 that loop back to the st

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