Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/0xdarkmatter/claude-mods/markitdownnpx skills add 0xDarkMatter/claude-mods --skill markitdowngit clone --depth 1 https://github.com/0xDarkMatter/claude-modsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/0xdarkmatter/claude-mods/markitdown)<a href="https://agentmods.dev/skills/0xdarkmatter/claude-mods/markitdown"><img src="https://agentmods.dev/badge/skills/0xdarkmatter/claude-mods/markitdown.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00078 | $0.00800 |
| Opus 5 | $0.00039 | $0.00400 |
| Sonnet 5 | $0.00016 | $0.00160 |
| Haiku 4.5 | $0.00008 | $0.00080 |
Grade A, and why
markitdown scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
markitdown - Document to Markdown
Convert local documents to clean Markdown. One tool for PDF, Word, Excel, PowerPoint, images, and more.
When to Use markitdown
| Use Case | Recommendation |
|---|---|
| Local files (PDF, Word, Excel) | ✅ Use markitdown - unique capability |
| Web pages | ❌ Use Jina (r.jina.ai/) - 5x faster |
| Blocked/anti-bot sites | ❌ Use Firecrawl |
| OCR on images | ✅ Use markitdown |
| Audio transcription | ✅ Use markitdown |
Basic Usage
# Local files (primary use case)
markitdown document.pdf
markitdown report.docx
markitdown data.xlsx
markitdown slides.pptx
markitdown screenshot.png # OCR
# URLs (works, but Jina is faster)
markitdown https://example.com
# Save output
markitdown document.pdf > document.md
Supported Formats
| Format | Extensions | Notes |
|---|---|---|
.pdf |
Text extraction, tables | |
| Word | .docx |
Formatting preserved |
| Excel | .xlsx |
Tables to markdown |
| PowerPoint | .pptx |
Slides as sections |
| Images | .jpg, .png |
OCR text extraction |
| HTML | .html |
Clean conversion |
| Audio | .mp3, .wav |
Speech-to-text |
| Text | .txt, .csv, .json, .xml |
Pass-through/structure |
| URLs | https://... |
Works but slower than Jina |
Benchmarked Performance (URLs)
| Tool | Avg Speed | Success Rate |
|---|---|---|
| Jina | 0.5s | 10/10 |
| markitdown | 2.5s | 9/10 |
| Firecrawl | 4.5s | 10/10 |
Verdict: For URLs, use Jina. For local files, markitdown is the only option.
Examples
# PDF to markdown (primary use case)
markitdown report.pdf > report.md
# Excel spreadsheet
markitdown financials.xlsx
# Image with text (OCR)
markitdown screenshot.png
# PowerPoint deck
markitdown presentation.pptx > slides.md
# Audio transcription
markitdown meeting.mp3 > transcript.md
Comparison with Alternatives
| Task | markitdown | Alternative |
|---|---|---|
| PDF text | markitdown file.pdf |
PyMuPDF, pdfplumber |
| Word docs | markitdown file.docx |
python-docx |
| Excel | markitdown file.xlsx |
pandas, openpyxl |
| OCR | markitdown image.png |
Tesseract |
| Web pages | Use Jina instead | r.jina.ai/URL (5x faster) |
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 96 lines · 78 tokens per session scan A de29e4dc6cc6
markitdown is a skill published in the GitHub repository 0xDarkMatter/claude-mods (32 stars, last pushed 13d ago), licensed MIT. It adds 78 tokens to every session and 800 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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