---
title: "Engineering Loop: Browser-Use LLM-as-a-Judge Extraction & Goal Completion Verifier"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/loop-browser-use-llm-as-a-judge-extraction-goal-completion-verifier"
modality: "ENGINEERING_LOOP"
category: "Self-Healing DOM Scraping Loops"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# Engineering Loop: Browser-Use LLM-as-a-Judge Extraction & Goal Completion Verifier

**Summary:** Engineering Loop: Browser-Use LLM-as-a-Judge Extraction & Goal Completion Verifier is a verified ENGINEERING LOOP blueprint on Promptally in Self-Healing DOM Scraping Loops optimized for leading AI models. Independent judge loop verifying whether scraped data matches the user's intent and conforms to the requested Pydantic schema before terminating. Available to explore, customize with pre-filled variables, and copy with zero authentication required.

## Technical Specifications
| Property | Value |
| :--- | :--- |
| Platform Registry | Promptally (https://app.promptally.dev) |
| Modality | ENGINEERING_LOOP |
| Category | Self-Healing DOM Scraping Loops |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 160 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```yaml
[
  {
    "stage_index": 1,
    "name": "Goal & Output Schema Review",
    "action_type": "setup",
    "description": "Review original extraction goal and target schema definition."
  },
  {
    "stage_index": 2,
    "name": "Candidate Data Validation",
    "action_type": "output_validation",
    "description": "Validate extracted fields for completeness, hallucination markers, and empty values."
  },
  {
    "stage_index": 3,
    "name": "Judge Verdict (Pass / Mutate / Retry)",
    "action_type": "stop_evaluation",
    "description": "If data is complete, issue PASS; if missing fields, generate targeted re-crawl instruction."
  }
]
```

## Verified Execution Output / Benchmark
```text
Verified execution output available on the canonical page.
```

## Related Blueprints on Promptally
- [Engineering Loop: Browser-Use Agent Action-Observation Playwright Execution Loop](https://app.promptally.dev/p/loop-browser-use-agent-action-observation-playwright-execution-loop)
- [Engineering Loop: Stagehand Self-Healing Pydantic Schema Extraction Loop](https://app.promptally.dev/p/loop-stagehand-self-healing-pydantic-schema-extraction-loop)
- [Engineering Loop: Stagehand Interactive Action Observation & Element Mutation Loop](https://app.promptally.dev/p/loop-stagehand-interactive-action-observation-element-mutation-loop)
- [Engineering Loop: Stagehand Paginated Catalog Extraction & Fault-Tolerant Checkpoint Loop](https://app.promptally.dev/p/loop-stagehand-paginated-catalog-extraction-fault-tolerant-checkpoint-loop)