naftiko/skills/templatize-a-prompt

Templatize A Prompt

Convert a prompt with specific values into a reusable template by identifying and extracting variables. Concrete values are replaced with uppercase variable placeholders. Part of the closed research preview Prompt Tools API.

API Details

• API: Anthropic Prompt Tools API
• Method: POST
• Path: /v1/experimental/templatize_prompt
• Operation ID: templatizePrompt
• OpenAPI: anthropic-prompts-api-openapi.yml

Sandbox

Mock server URL: http://localhost:8080/rest/anthropic-prompt-tools-api/1.0.0/v1/experimental/templatize_prompt

Required Headers

• anthropic-version: 2023-06-01
• anthropic-beta: prompt-tools-2025-04-02
• x-api-key: {api-key}
• Content-Type: application/json

Requirements

• Must have joined the closed research preview for prompt tools APIs
• Messages must contain only text-only content blocks
• No tool calls, images, or prompt caching blocks allowed

Request Body

{
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "Translate hello to German"
        }
      ]
    }
  ],
  "system": "You are a professional English to German translator"
}

| Field | Type | Required | Description | |-------|------|----------|-------------| | messages | array | Yes | The prompt to templatize | | system | string | No | System prompt to also templatize |

Example Request

curl -X POST "http://localhost:8080/rest/anthropic-prompt-tools-api/1.0.0/v1/experimental/templatize_prompt" \
  -H "anthropic-version: 2023-06-01" \
  -H "anthropic-beta: prompt-tools-2025-04-02" \
  -H "x-api-key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{"messages": [{"role": "user", "content": [{"type": "text", "text": "Translate hello to German"}]}]}'

Example Response

{
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "Translate {{WORD_TO_TRANSLATE}} to {{TARGET_LANGUAGE}}"
        }
      ]
    }
  ],
  "system": "You are a professional English to {{TARGET_LANGUAGE}} translator",
  "usage": {
    "input_tokens": 15,
    "output_tokens": 25
  },
  "variable_values": {
    "WORD_TO_TRANSLATE": "hello",
    "TARGET_LANGUAGE": "German"
  }
}

Instructions

When the user asks to templatize, parameterize, or make a prompt reusable, use this operation by making a POST request to /v1/experimental/templatize_prompt. The variable_values in the response shows what was extracted, and the returned messages contain the template with {{VARIABLE_NAME}} placeholders.