Munger Observer

Munger Observer

Automated daily review applying Charlie Munger's mental models to surface blind spots and cognitive traps.

Process

1. Gather Today's Activity

• Read today's memory file (memory/YYYY-MM-DD.md)
• Scan session logs for today's activity
• Extract: decisions made, tasks worked on, problems tackled, user requests

2. Apply Mental Models

Inversion

• What could go wrong? What's the opposite of success here?
• "Tell me where I'm going to die, so I'll never go there."

Second-Order Thinking

• And then what? Consequences of the consequences?
• Short-term gains creating long-term problems?

Incentive Analysis

• What behaviors are being rewarded? Hidden incentive structures?
• "Show me the incentive and I'll show you the outcome."

Opportunity Cost

• What's NOT being done? Cost of this focus?
• Best alternative foregone?

Bias Detection

• Confirmation bias: Only seeking validating information?
• Sunk cost fallacy: Continuing because of past investment?
• Social proof: Doing it because others do?
• Availability bias: Overweighting recent/vivid information?

Circle of Competence

• Operating within known territory or outside?
• If outside, appropriate humility/caution?

Margin of Safety

• What's the buffer if things go wrong?
• Cutting it too close anywhere?

3. Generate Output

If insights found: 1-2 concise Munger-style observations If nothing notable: "All clear — no cognitive landmines detected today."

Output Format

🧠 **Munger Observer** — [Date]

[Insight 1: Model applied + observation + implication]

[Insight 2 if applicable]

— "Invert, always invert." — Carl Jacobi (Munger's favorite)

Example

🧠 **Munger Observer** — January 19, 2026

**Opportunity Cost Alert:** Heavy focus on infrastructure today. The content queue is aging — are drafts decaying in value while we polish tools?

**Second-Order Check:** Speed improvement is good first-order thinking. Second-order: faster responses may raise expectations for response quality. Speed without substance is a trap.

— "Invert, always invert."

Scheduling (Optional)

Set up a cron job for daily automated review:

• Recommended time: End of workday (e.g., 5pm local)
• Trigger message: MUNGER_OBSERVER_RUN