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/judge - Meta-Judge + Single-Agent Work Evaluation
Evaluate completed work using a two-phase pipeline: meta-judge generates tailored evaluation criteria, then LLM-as-Judge applies them with context isolation and evidence-based scoring.
Claude Code Knowledge Pack7/10/2026
Overview
/judge - Meta-Judge + Single-Agent Work Evaluation
Evaluate completed work using a two-phase pipeline: meta-judge generates tailored evaluation criteria, then LLM-as-Judge applies them with context isolation and evidence-based scoring.
- Purpose - Assess quality of work produced earlier in conversation with isolated context
- Pattern - Context Extraction → Meta-Judge → Judge (with meta-judge spec) → Validation & Report
- Output - Evaluation report with weighted scores, evidence citations, and actionable improvements
- Efficiency - Single focused judge for fast evaluation
Quality Assurance
Enhanced verification with meta-judge rubric generation, Chain-of-Thought scoring, self-verification, and bias mitigation
Pattern: Meta-Judge → LLM-as-Judge with Context Isolation
This command implements a four-phase evaluation pipeline:
Phase 1: Context Extraction
Review conversation history
Identify work to evaluate
Extract: Original task, output, files, constraints, artifact type
│
Phase 2: Meta-Judge (sadd:meta-judge)
┌─────────────────────────────────────────┐
│ Receives extracted context + artifact │
│ type + evaluation focus │
│ │
│ Generates evaluation specification YAML: │
│ - Tailored rubrics per artifact type │
│ - Checklists │
│ - Scoring criteria and weights │
└─────────────────────────────────────────┘
│
Phase 3: Judge Sub-Agent (sadd:judge, Fresh Context)
┌─────────────────────────────────────────┐
│ Receives ONLY extracted context │
│ + exact meta-judge specification YAML │
│ (prevents confirmation bias) │
│ │
│ For each criterion from meta-judge spec: │
│ 1. Review evidence │
│ 2. Write justification │
│ 3. Assign score (1-5) │
│ 4. Self-verify with questions │
│ 5. Adjust if needed │
└─────────────────────────────────────────┘
│
Phase 4: Validation & Report
Verify scores in valid range (1-5)
Check justification has evidence
Confirm weighted total calculation
Present verdict with recommendations
Usage
> Write new controller for the user model
# Evaluate completed work
/judge
# Evaluate with specific focus
/judge code quality and test coverage
# Evaluate security considerations
/judge security implications
# Evaluate requirements alignment
/judge requirements fulfillment
# Evaluate documentation completeness
/judge documentation
When to Use
Use single judge when:
- Quick quality check needed
- Work is straightforward with clear criteria
- Speed/cost matters more than multi-perspective analysis
- Evaluation is formative (guiding improvements), not summative
- Low-to-medium stakes decisions
Use judge-with-debate instead when:
- High-stakes decisions requiring rigorous evaluation
- Subjective criteria where perspectives differ legitimately
- Complex solutions with many evaluation dimensions
- You need defensible, consensus-based evaluation
Scoring Interpretation
| Score Range | Verdict | Recommendation |
|---|---|---|
| 4.50 - 5.00 | EXCELLENT | Ready as-is |
| 4.00 - 4.49 | GOOD | Minor improvements optional |
| 3.50 - 3.99 | ACCEPTABLE | Improvements recommended |
| 3.00 - 3.49 | NEEDS IMPROVEMENT | Address issues before use |
| 1.00 - 2.99 | INSUFFICIENT | Significant rework needed |
Quality Enhancement Techniques
| Technique | Benefit |
|---|---|
| Meta-Judge Rubric Generation | Tailored evaluation criteria per artifact type, replacing hardcoded defaults |
| Context Isolation | Judge receives only extracted context, preventing confirmation bias from session state |
| Chain-of-Thought Scoring | Justification BEFORE score improves reliability by 15-25% |
| Evidence Requirement | Every score requires specific citations (file paths, line numbers, quotes) |
| Self-Verification | Judge generates verification questions and documents adjustments |
| Bias Mitigation | Explicit warnings against length bias, verbosity bias, and authority bias |
Theoretical Foundation
Based on:
- LLM-as-a-Judge (Zheng et al., 2023) - Structured evaluation rubrics with calibrated scoring
- Chain of Thought Prompting (Wei et al., 2022) - Reasoning before conclusion improves accuracy
- Constitutional AI (Bai et al., 2022) - Self-critique and verification loops
- Inference-Time Scaling of Verification (Wan et al., 2026) - Rubric-guided verification with test-time self-evolution and iterative feedback refinement