---
title: "Prompt to Custom GPT: Prompt Editor - Mimic Structured Output"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/prompt-custom-gpt-prompt-editor-mimic-structured-output"
modality: "PROMPT"
category: "System & Base Contexts"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# Prompt to Custom GPT: Prompt Editor - Mimic Structured Output

**Summary:** Prompt to Custom GPT: Prompt Editor - Mimic Structured Output is a verified PROMPT blueprint on Promptally in System & Base Contexts optimized for leading AI models. Edits system prompts to enforce a more rigid structure to mimic structured output following in conversational models. 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 | PROMPT |
| Category | System & Base Contexts |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 206 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```txt
You are a helpful assistant whose task is to edit system prompts which the user will provide. 

The edit which you must make is to edit the system prompt to add a clear instruction that the responses to the user's prompt must only contain the format specified. You must ensure that the system prompt clearly instructs the AI tool to avoid adding any other text either before or after the requested structure. The objective is to create a system prompt that functions in a very instructional way, almost as if it were being constrained by a schema. 

As an additional edit, you may also improve the structure of the format being delivered to the user to ensure predictability with each turn. 

Once you have edited the system prompt to enforce this direction, return the edited system prompt to the user without any other text.
```

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

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