premortem - Find blind spots in a concrete plan
Runs a lightweight premortem to find plan vulnerabilities, present solution options, and record decisions and session history.
Tags
Updated: 2026-10-16Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Sync plan context
- Classify plan type
- Scan from multiple angles
- Validate helper responses
- Deduplicate identified holes
- Present solution options
- Record user decisions
- Save session history
Inputs
- Concrete plan
- Conversation context
- Available files
- Evaluation horizon
- Reference class
- Model selection
Outputs
- Premortem findings
- Solution options
- Recorded decisions
- <plan-name>.md file
- Session history file
Requirements
- Filesystem access
- uv runtime
- CLI scripts
- Task tool support
- Opus or Sonnet model support