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Takahiro Sato
Takahiro Sato

Posted on • Edited on

Extract AI Rules from Markdown Files with mq

#markdown #cli #ai #llm

Managing separate AI rule files for different systems? mq can generate them from one master file.

demo

The Problem

Each AI system needs its own rule file. Managing multiple separate Markdown files gets messy quickly.

Simple Solution

Keep all AI rules in one master file, then generate individual files:

$ mq 'nodes | sections(2) | filter(fn(section): let head = first(section) | contains(head, "Claude Rules");) | first() | map(decrease_header_level) | to_markdown_string()' master-ai-rules.md > claude-rules.md
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Generate Multiple AI Rule Files 

# Extract different AI system rules from one master file
$ mq 'nodes | sections(2) | filter(fn(s): contains(first(s), "GPT Rules")) | first() | map(decrease_header_level) | to_markdown_string()' master-ai-rules.md > gpt-rules.md
$ mq 'nodes | sections(2) | filter(fn(s): contains(first(s), "Gemini Rules")) | first() | map(decrease_header_level) | to_markdown_string()' master-ai-rules.md > gemini-rules.md
$ mq 'nodes | sections(2) | filter(fn(s): contains(first(s), "Claude Rules")) | first() | map(decrease_header_level) | to_markdown_string()' master-ai-rules.md > claude-rules.md
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Why This Approach Works

  • Single source of truth: All AI rules in one master file
  • Easy maintenance: Update rules in one place
  • Automatic generation: Create individual files with one script
  • Version control friendly: Track changes in one file
  • No vendor lock-in: Generated files are plain Markdown, work anywhere

Try It 

$ brew install harehare/tap/mq
$ mq 'nodes | sections(2) | filter(fn(s): contains(first(s), "Claude Rules")) | first() | map(decrease_header_level) | to_markdown_string()' master-ai-rules.md > claude-rules.md
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Now you can manage all AI rules in one file and generate individual rule files as needed!

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