ultrathinker

Contract Snapshot Diff — Development skill for Claude Code

Development community

Run the snapshot diff classifier on two files and print a structured report.

How to install Contract Snapshot Diff

Installs to ~/.claude/skills/ultrathinker-cli-contract-guard-contract-snapshot-diff/SKILL.md

Terminal

mkdir -p ~/.claude/skills/ultrathinker-cli-contract-guard-contract-snapshot-diff && curl -fsSL https://raw.githubusercontent.com/ultrathinker/cli-contract-guard/HEAD/commands/contract-snapshot-diff.md -o ~/.claude/skills/ultrathinker-cli-contract-guard-contract-snapshot-diff/SKILL.md

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

What Contract Snapshot Diff does

description: Run the snapshot diff classifier on two files and print a structured report. argument-hint: BEFORE AFTER [--json] [--context N] allowed-tools: Bash(python3 ${CLAUDE_PLUGIN_ROOT}/scripts/classify_snapshot_diff.py:), Bash(python ${CLAUDE_PLUGIN_ROOT}/scripts/classify_snapshot_diff.py:), Bash(py -3 ${CLAUDE_PLUGIN_ROOT}/scripts/classify_snapshot_diff.py:*)

/contract-snapshot-diff

Run the deterministic snapshot diff between two files and print a structured report. The cont

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