Challenge Mode Reviews

Challenge Mode Reviews is a Quality skill for Claude Code, published by oliver-kriska in claude-elixir-phoenix.

533 stars38 forkson oliver-kriska/claude-elixir-phoenixAdded 2026/08/26+1% in starsRepository updated 2026/08/19

ai-agentsai-coding-assistantautomationclaudeclaude-codeclaude-code-pluginclaude-code-skillsclaude-skillscode-reviewdeveloper-toolsectoelixirelixir-langelixir-phoenixliveviewobanphoenixphoenix-frameworktidewavevibe-coding

Install in seconds

Install Challenge Mode Reviews

Copy Challenge Mode Reviews 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/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/challenge ~/.claude/skills/challenge

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/oliver-kriska/claude-elixir-phoenix.git

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

In this catalog

Source file: plugins/elixir-phoenix/skills/challenge/SKILL.md in oliver-kriska/claude-elixir-phoenix
Installs to: ~/.claude/skills/challenge
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What Challenge Mode Reviews does

Challenge Mode Reviews pushes for rigorous scrutiny before approving changes. Use it to question Ecto migrations, LiveView events, OTP designs, and PR readiness with proof and edge-case checks.

Challenge Mode Reviews is cataloged under Quality on DirSkills. Challenge Mode Reviews comes from a repository tagged ai-agents, ai-coding-assistant, automation, claude and claude-code.

Documentation

README

Excerpt

Challenge Mode Reviews

Rigorous, critical review patterns inspired by Boris Cherny's "Grill me" approach. Push beyond first solutions to ensure quality.

Iron Laws - Never Violate These

No approval without verification - Don't approve until all concerns addressed
Assume bugs exist - Look for edge cases, race conditions, missing handlers
Question everything - Even "obvious" code can hide issues
Demand proof - Ask for tests, show state transitions, verify behavior

Adversarial Lenses (Apply to ALL Modes)

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Challenge Mode Reviews

What else does oliver-kriska publish alongside Challenge Mode Reviews?
Challenge Mode Reviews is one of 25 skills that DirSkills catalogs from oliver-kriska/claude-elixir-phoenix, the repository it ships in. Its siblings there include Ash Framework, Autoresearch and Brainstorm. Each one is a separate skill with its own page in this directory, installs the same way Challenge Mode Reviews does, and is maintained by oliver-kriska in that same repository. The rest of the collection is listed on the oliver-kriska/claude-elixir-phoenix page.
How does Challenge Mode Reviews compare to other Quality skills?
Challenge Mode Reviews ranks #1180 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. 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 Challenge Mode Reviews against them. Open each page to compare what they document and how they install.