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 ErickRamirezAU/claude-skills --skill markitdowngit clone --depth 1 https://github.com/ErickRamirezAU/claude-skillsWrote 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/erickramirezau/claude-skills/markitdown)<a href="https://agentmods.dev/skills/erickramirezau/claude-skills/markitdown"><img src="https://agentmods.dev/badge/skills/erickramirezau/claude-skills/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 | $0.00141 | $0.01395 |
| Opus 5 | $0.00071 | $0.00698 |
| Sonnet 5 | $0.00028 | $0.00279 |
| Haiku 4.5 | $0.00014 | $0.00139 |
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 — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.
markitdown
Convert a source file to Markdown, save it next to the source, and — only with explicit approval — clean up formatting artifacts left over from the conversion.
This skill wraps markitdown, Microsoft's open-source CLI for converting files to Markdown — all credit for the actual conversion goes to that project. This skill only adds the install-and-fix-up workflow around it.
Step 1: Resolve the input
The input may arrive as an attached file, a bare filename, or a full path.
- If it's a full path or attachment, use it directly.
- If it's a bare filename, check the current directory first, then common
locations like
~/Downloadsand~/Desktop. If you find more than one match or none, ask the user rather than guessing — picking the wrong file is worse than asking a quick question.
Step 2: Make sure markitdown is installed
Run scripts/ensure_markitdown.sh. It checks whether markitdown is on
PATH, already installed at ~/.local/bin/markitdown, or importable as a
Python module even without a console-script entrypoint (covers venvs,
system package managers, and non-standard pip installs) — and only installs
it if none of those find it. No need to ask before installing. This mirrors
how it was set up the first time, so re-running it on a machine that
already has markitdown is a fast no-op.
The install path is platform-aware:
- macOS uses Homebrew (
[email protected],pipx), the reliable standard there. - Linux (including WSL, which reports as Linux) prefers
pipx/pip3/pipdirectly and never requires Homebrew, since most Linux users won't have it. - Native Windows (Git Bash/MSYS/Cygwin, not WSL) looks for
python3,python, or thepylauncher, usespipxif present orpip install --userotherwise, and checks%APPDATA%\Python\PythonXY\Scriptsfor the installed executable — pip's Windows install location, which isn't~/.local/bin.
If the script still fails after that, surface the error to the user rather than trying alternate install methods — the failure usually means something about the machine needs their attention first (e.g. no pip available at all).
What ships with it
2 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 · 122 lines · 141 tokens per session scan A 3abb254cf690
markitdown is a skill published in the GitHub repository ErickRamirezAU/claude-skills (2 stars, last pushed 1mo ago), licensed MIT. It adds 141 tokens to every session and 1,395 once invoked, about $0.0007 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 2026-08-31.
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