prompt-xmlifier 1.0.0

Enterprise-grade prompt structuring tool for Claude - converts plain text prompts to XML-tagged format

Claude Tagger (ctag)

Enterprise-grade prompt structuring tool for Claude AI

Convert plain text prompts into XML-tagged prompts following Anthropic's official best practices.

Installation

pip install prompt-xmlifier

Quick Start

# Basic conversion
ctag "Help me write a Python function that calculates fibonacci"

# With labeled sections
ctag "Task: Create a REST API Context: Using FastAPI Do Not: Hardcode credentials"

# From file
ctag --file prompt.txt --output result.xml

# Interactive mode
ctag --interactive

Features

• Intelligent Parsing: Automatically detects sections and assigns appropriate XML tags
• Platform Optimization: Optimized outputs for Claude Web, Code CLI, and VS Code
• Bilingual Support: Works with English and Spanish labels
• 22 Standard Tags: Full coverage of Anthropic's recommended XML tags
• Templates: Pre-built templates for common tasks (code review, debugging, etc.)

Supported Platforms

Platform	Command
Claude.ai Web	ctag -p claude_web "..."
Claude Code Web	ctag -p claude_code_web "..."
Claude Code CLI	ctag -p claude_code_cli "..."
VS Code Extension	ctag -p claude_code_vscode "..."

Available Tags

Directive: <task>, <instructions>, <do>, <do_not>

Context: <context>, <background>

Input: <input>, <code>, <document>, <data>

Output: <output>, <format>

Constraints: <constraints>, <rules>

Persona: <role>, <tone>, <audience>

Learning: <example>, <examples>

Reasoning: <thinking>, <analysis>

Example

Input:

Task: Create a REST API for authentication
Context: FastAPI with PostgreSQL backend
Do Not: Hardcode credentials
Output: Complete Python code

Output:

<task>
  Create a REST API for authentication
</task>

<context>
  FastAPI with PostgreSQL backend
</context>

<do_not>
  Hardcode credentials
</do_not>

<output>
  Complete Python code
</output>

Command Reference

ctag [OPTIONS] [PROMPT]

Input Options:
  PROMPT              Plain text prompt to convert
  -f, --file FILE     Read prompt from file
  -i, --interactive   Enter prompt interactively

Platform Options:
  -p, --platform      Target platform (default: claude_code_cli)
  -t, --template      Use a pre-built template
  --tips              Include platform tips

Output Options:
  -o, --output FILE   Write to file
  --format            Output format: xml, json, both
  --wrap              Wrap in <prompt> tags

Information:
  --list-tags         Show available XML tags
  --list-platforms    Show supported platforms
  --list-templates    Show available templates
  --help              Show help message

Python API

from prompt_xmlifier import PromptXMLifier

xmlifier = PromptXMLifier()
result = xmlifier.convert("Your prompt here")
print(result.to_xml())

License

MIT License

Author

Fuad Oñate - Senior Data Engineer

Links

• Anthropic XML Tags Documentation
• PyPI Package