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Document Converter

Community
wentorai
document-converter

Convert Office documents (PPTX, DOCX, XLSX, PDF, HTML, CSV, JSON, XML, images) to Markdown using Microsoft MarkItDown. Provides the agent with conversion strategies for academic and research workflows.

Overview

Publisherwentorai
RepositoryResearch-Claw
Skill namedocument-converter
Stars
859
Forks
117
Bundled files
Instructions only
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • Self-contained

    Everything the model needs lives in the instructions — no extra files to sync.

  • Open source

    Published by wentorai on GitHub. Read the source before you install it.

Installation

Install the Document Converter AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/wentorai/Research-Claw/tree/main/skills/document-converter
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/wentorai/Research-Claw.git /tmp/Research-Claw
mkdir -p .claude/skills
cp -r /tmp/Research-Claw/skills/document-converter .claude/skills/document-converter
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Document Converter in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Document Converter on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Document Converter is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Document Converter (MarkItDown)

Convert Office and structured documents to Markdown for LLM consumption using Microsoft MarkItDown.


Overview

MarkItDown is a Microsoft open-source tool that converts a wide range of document formats into clean Markdown text. This is essential for academic research workflows where source materials arrive in diverse formats (PDFs from journals, PPTX from conferences, DOCX from collaborators, XLSX data tables).


Supported Formats

FormatExtensionsNotes
PDF.pdfText extraction; scanned PDFs require OCR
Word.docxParagraphs, tables, lists, headings preserved
PowerPoint.pptxSlide-by-slide with speaker notes
Excel.xlsx, .xlsSheet-by-sheet, tables as Markdown tables
HTML.html, .htmCleaned content extraction
CSV.csvConverted to Markdown table
JSON.jsonPretty-printed structured output
XML.xmlStructured text extraction
Images.jpg, .png, .gif, .bmp, .tiffOCR text extraction (requires optional deps)
Audio.mp3, .wavTranscription (requires optional deps)
ZIP.zipRecursively converts contained files

MCP Tool Usage

When the markitdown-mcp server is configured, use the convert_to_markdown tool:

Tool: convert_to_markdown
Parameters:
  uri: "file:///absolute/path/to/document.pptx"

The uri parameter accepts:

  • Local files: file:///path/to/file.docx
  • HTTP URLs: https://example.com/paper.pdf

Important

  • Always use absolute paths with the file:// URI scheme for local files.
  • The tool returns the full Markdown text content of the converted document.
  • For large documents, the output may be substantial. Consider summarizing or extracting relevant sections after conversion.

CLI Fallback

If the MCP server is not available, use the CLI directly via shell:

bash
# Convert a single file
markitdown document.pptx

# Save output to file
markitdown document.pptx > output.md

# Convert from URL
markitdown https://example.com/paper.pdf

Academic Research Workflows

1. Conference Presentation Analysis

Convert a PPTX to Markdown, then analyze the content:

  1. Convert the presentation with convert_to_markdown
  2. The output preserves slide structure and speaker notes
  3. Summarize key findings, methodology, and conclusions

2. Paper Review from PDF

  1. Convert the PDF to Markdown
  2. Extract sections: Abstract, Introduction, Methods, Results, Discussion
  3. Cross-reference with literature library

3. Data Table Extraction

  1. Convert XLSX to Markdown tables
  2. Each sheet becomes a separate section
  3. Use the extracted tables for analysis or comparison

4. Batch Literature Processing

When processing multiple documents:

  1. Convert each document individually
  2. Extract metadata (title, authors, date) from the content
  3. Add to the literature library with library_add_paper

Output Quality Notes

FormatQualityCaveats
DOCXExcellentComplex layouts may lose formatting
PPTXGoodDiagrams/charts become text descriptions
XLSXGoodMerged cells may not render perfectly
PDFVariableDepends on PDF type (text vs scanned)
HTMLGoodJavaScript-rendered content not captured
CSVExcellentDirect table conversion

When to Use This Skill

  • User uploads or references an Office document (PPTX, DOCX, XLSX)
  • User wants to analyze content from a PDF
  • User needs to extract text from images (OCR)
  • User wants to convert a document for inclusion in notes or workspace
  • User asks to read, summarize, or analyze a non-Markdown file
  • Batch processing of research materials in mixed formats

When NOT to Use

  • File is already Markdown or plain text
  • User wants to edit the original document format (use appropriate editor)
  • User needs pixel-perfect layout preservation (use the original format)
  • File is a scanned PDF without OCR support configured

Troubleshooting

IssueSolution
markitdown not foundRun pip install 'markitdown[all]'
MCP tool not availableEnsure markitdown-mcp is installed and configured in openclaw.json
Empty output from PDFPDF may be scanned/image-only; needs OCR dependencies
Encoding errorsEnsure file is not corrupted; try re-saving from source application
Large file timeoutConvert via CLI instead of MCP for very large files

Installation

Local (macOS/Linux)

bash
pip install 'markitdown[all]' markitdown-mcp

Verify

bash
markitdown --help

Docker

MarkItDown is pre-installed in the Research-Claw Docker image.

Frequently asked questions

What does the Document Converter AI skill do?

Convert Office documents (PPTX, DOCX, XLSX, PDF, HTML, CSV, JSON, XML, images) to Markdown using Microsoft MarkItDown. Provides the agent with conversion strategies for academic and research workflows.

Why use Document Converter on TypingMind?

Because you install it once and use it with any model. Document Converter is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Document Converter in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/wentorai/Research-Claw/tree/main/skills/document-converter. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Document Converter?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Document Converter?

As many as you like. As long as a model supports skills, you can use Document Converter with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Document Converter AI skill free?

It is published on GitHub by wentorai. Check the repository for licensing terms. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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