Obsidian Challenge — Development skill for Claude Code
Red-team your current idea against your own vault history — finds contradictions, past failures, and flawed assumptions.
How to install Obsidian Challenge
Installs to ~/.claude/skills/eugeniughelbur-obsidian-second-brain-obsidian-challenge/SKILL.md
mkdir -p ~/.claude/skills/eugeniughelbur-obsidian-second-brain-obsidian-challenge && curl -fsSL https://raw.githubusercontent.com/eugeniughelbur/obsidian-second-brain/HEAD/commands/obsidian-challenge.md -o ~/.claude/skills/eugeniughelbur-obsidian-second-brain-obsidian-challenge/SKILL.md Restart Claude Code, or start a new session, for it to be picked up.
What Obsidian Challenge does
description: Red-team your current idea against your own vault history — finds contradictions, past failures, and flawed assumptions
Use the obsidian-second-brain skill. Execute `/obsidian-challenge $ARGUMENTS`:
The optional argument is the idea, belief, or plan to challenge. If not provided, infer the user's current position from conversation context.
- Read
_CLAUDE.mdfirst if it exists in the vault root - Identify the user's current claim, plan, or assumption — either from the
Alternatives in Development
- Obsidian MCP Server — Read, write, search, and surgically edit Obsidian vault notes, tags, and frontmatter via MCP 686 ★
- Search Vault — Quick search across Obsidian vault using keywords or semantic similarity 109 ★
- Kg Index — Re-index the Obsidian vault knowledge graph 69 ★
Full documentation available on GitHub
View Source RepositoryRelated Skills
Brain Challenge
Red-team an idea or plan against the second brain's own history - surface contradictions, past failures, and f
Obsidian Health
Run a vault health check — grouped by severity, detects contradictions, concept gaps, stale claims, and struct
Obsidian Ingest
Ingest a source into the vault — the vault rewrites itself around new knowledge. Every ingest updates entities
Obsidian Vault Kit
A knowledge vault Claude Code maintains for you — document and session-history ingest into a linked Obsidian g
Enforcement Contradiction Rules
Always-on. When the enforcement system itself produces contradictions — gates blocking their own prerequisites
Q Challenge
Force a structured challenge of all investigation assumptions and hypotheses.
Related Agents
Memory Retrieval
Searches an Obsidian vault (~/notes/) for relevant memories, context, and connections. Use before starting wor
Architecture Red Team
adversarial reviewer for plans and architecture changes. challenge assumptions, expose hidden coupling, scalin
Direction Challenger
(/auto) Pre-direction challenger. Reads the local board before research planner, attacks the inertia and assum