vredin

Da — Testing skill for Claude Code

Testing community

Explicit Diablo invocation — adversarial critic for spec, plan, or implementation.

How to install Da

Installs to ~/.claude/commands/vredin-vredin-cc-harness-da.md

Terminal
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/vredin/vredin-CC-Harness/HEAD/.claude/commands/da.md -o ~/.claude/commands/vredin-vredin-cc-harness-da.md

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

What Da does


name: da description: 'Explicit Diablo invocation — adversarial critic for spec, plan, or implementation. Outputs FATAL/SERIOUS/SUSPICIOUS findings + verdict + action item per finding. Runs Opus per agents/diablo.md frontmatter.' argument-hint: [spec | plan | impl | review] [target file or commit range] allowed-tools: Read, Grep, Glob, Bash, Task model: opus

**Style:** Load `caveman-distillate` skill.

/da — Diablo Devil's Advocate

Mode: `${1:-impl}` (one of: `spec`, `plan`, `impl`

Alternatives in Testing

  • Spec Kitty — Spec-Driven Development for serious software developers 1.6k ★
  • Paperjury — Pre-submission AI review stress-test for research papers 1k ★
  • Adversarial Spec — A Claude Code plugin that iteratively refines product specifications by debating between multiple LLMs until a 514 ★

Full documentation available on GitHub

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