vuhai2002

Brain Challenge — Development skill for Claude Code

Development community

Red-team an idea or plan against the second brain's own history - surface contradictions, past failures, and flawed assumptions.

How to install Brain Challenge

Installs to ~/.claude/commands/vuhai2002-second-brain-kit-brain-challenge.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/vuhai2002/second-brain-kit/HEAD/.claude/commands/brain-challenge.md -o ~/.claude/commands/vuhai2002-second-brain-kit-brain-challenge.md

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

What Brain Challenge does

description: Red-team an idea or plan against the second brain's own history - surface contradictions, past failures, and flawed assumptions. argument-hint: ""

/brain-challenge

Steps

Resolve the vault; READ index.md + relevant pages (people, projects, concepts, decisions). Scope = domain folders only.
Argue AGAINST $ARGUMENTS using the user's OWN notes: prior decisions, past failures, risk factors, facts that contradict it. Cite the notes y

Alternatives in Development

Echo Analyst — Use the @echo-analyst agent to surface requirement gaps and assumptions for the following: $ARGUMENTS 523 ★
Arrecall — AgentRecall on-demand recall — surface past fixes, decisions, and patterns mid-session without leaving your fl 370 ★
Obsidian Challenge — Red-team your current idea against your own vault history — finds contradictions, past failures, and flawed as 277 ★