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 skills add katalalab/katala-os --skill markdown-convertergit clone --depth 1 https://github.com/katalalab/katala-osWrote 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/katalalab/katala-os/markdown-converter)<a href="https://agentmods.dev/skills/katalalab/katala-os/markdown-converter"><img src="https://agentmods.dev/badge/skills/katalalab/katala-os/markdown-converter/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/katalalab/katala-os/markdown-converter"><img src="https://agentmods.dev/badge/skills/katalalab/katala-os/markdown-converter.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00062 | $0.00453 |
| Opus 5.5 | $0.00025 | $0.00181 |
| Sonnet 5.5 | $0.00012 | $0.00091 |
| Haiku 4.5 | $0.00006 | $0.00045 |
Grade A, and why
markdown-converter scanned grade A with 1 finding 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 2mo 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
| Web URL → clean MD | `/defuddle` skill or `curl | pandoc` | What it actually says
markdown-converter — document format conversion
Converts documents using available local tools (pandoc, defuddle, python-markdown).
When to use
- "このMarkdownをHTMLに変換して"
- "PDFをMarkdownに変換して"
- "このページのボイラープレートを取り除いてMarkdownにして"
- "DOCXをMarkdownに変換して"
Do not use for:
- Editing document content (use the appropriate editor)
- Translating language (use a translation tool)
Tool selection
| From → To | Tool |
|---|---|
| HTML → MD | defuddle or pandoc |
| MD → HTML | pandoc or python-markdown |
| MD → PDF | pandoc + wkhtmltopdf or weasyprint |
| MD → DOCX | pandoc |
| DOCX → MD | pandoc |
| Web URL → clean MD | /defuddle skill or `curl |
Common invocations
# Web page to clean Markdown
curl -s <url> | pandoc -f html -t markdown --no-highlight -o output.md
# Markdown to PDF (requires pandoc + wkhtmltopdf)
pandoc input.md -o output.pdf --pdf-engine=wkhtmltopdf
# Markdown to DOCX
pandoc input.md -o output.docx
# DOCX to Markdown
pandoc input.docx -o output.md --extract-media=./media
# Clean up web-clipped markdown with defuddle
# (use /defuddle skill for this)
Hard-rule reminders
- Always check if source file exists before converting.
- Office files (DOCX, XLSX, PPTX) must be copied before editing per the Editing Policy.
- Confirm output path with operator if the target file already exists.
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.
- 2mo ago First seen · 56 lines · 62 tokens per session scan A 5be8b07e638b
markdown-converter is a skill published in the GitHub repository katalalab/katala-os (2 stars, last pushed 9d ago), licensed MIT. It adds 62 tokens to every session and 453 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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