n8n-nodes-mq

n8n community node for processing Markdown using the mq query language.

mq is a jq-like tool for Markdown - slice, filter, map, and transform structured data from Markdown files.

Features

• Query: Run mq queries on Markdown content (extract headers, code blocks, lists, etc.)
• Extract Sections: Split matching sections into separate n8n items
• Format Query: Format mq query strings
• Validate Query: Check if mq queries are valid

Installation

In n8n (Community Nodes)

1. Go to Settings > Community Nodes
2. Select Install
3. Enter n8n-nodes-mq
4. Click Install

Manual Installation

npm install n8n-nodes-mq

Operations

Query

Run an mq query and get the result as a string.

Parameters:

• Markdown Content: The Markdown to process
• Query: The mq query (e.g., .h, .h2, .code)
• Input Format: markdown, mdx, or html
• Output Field: Name of the result field

Extract Sections

Extract matching sections as separate items - useful for batch processing.

Parameters:

• Markdown Content: The Markdown to process
• Query: The mq query
• Split By: How to split (line breaks or single items)

Format Query

Format an mq query string for readability.

Validate Query

Check if a query is valid and get diagnostic information.

Query Examples

| Query | Description | |-------|-------------| | .h | All headers | | .h1 | Only h1 headers | | .h2 | Only h2 headers | | .code | All code blocks | | .blockquote | All blockquotes | | .link | All links | | .h2 \| select(contains("API")) | h2 headers containing "API" |

Example Workflow

[HTTP Request] → [MQ: .h2] → [Extract Sections] → [For Each Item]
     ↓              ↓              ↓                    ↓
  Fetch doc    Query headers   Split items     Process each header

Requirements

• n8n version 1.0.0 or later
• No external dependencies (uses WebAssembly)

License

MIT

Credits

• mq by harehare - The underlying Markdown query tool
• Built with n8n