summarize

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Fetch a URL or convert a local file (PDF/DOCX/HTML/etc.) into Markdown using `uvx markitdown`, optionally it can summarize

2installs

Sourcemitsuhiko/agent-stuff

Added on2026-02-08

NPX Install

npx skill4agent add mitsuhiko/agent-stuff summarize

SKILL.md Content

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Turn “things” (URLs, PDFs, Word docs, PowerPoints, HTML pages, text files, etc.) into Markdown so they can be inspected/quoted/processed like normal text.

markitdown

can fetch URLs by itself; this skill mainly wraps it to make saving + summarizing convenient.

When to use

Use this skill when you need to:

pull down a web page as a document-like Markdown representation
convert binary docs (PDF/DOCX/PPTX) into Markdown for analysis
quickly produce a short summary of a long document before deeper work

Quick usage

Convert a URL or file to Markdown

Run from this skill folder (the agent should

cd

here first):

bash

uvx markitdown <url-or-path>

To write Markdown to a temp file (prints the path) use the wrapper:

bash

node to-markdown.mjs <url-or-path> --tmp

Tip: when summarizing, the script will always write the full converted Markdown to a temp

.md

file and will always print a final "Hint" line with the path (so you can open/inspect the full content).

Write Markdown to a specific file:

bash

uvx markitdown <url-or-path> > /tmp/doc.md

Convert + summarize with haiku-4-5 (pass context!)

Summaries are only useful when you provide what you want extracted and the audience/purpose.

bash

node to-markdown.mjs <url-or-path> --summary --prompt "Summarize focusing on X, for audience Y. Extract Z."

Or:

bash

node to-markdown.mjs <url-or-path> --summary --prompt "Focus on security implications and action items."

This will:

convert to Markdown via
```
uvx markitdown
```
write the full Markdown to a temp
```
.md
```
file and print its path as a "Hint" line
run
```
pi --model claude-haiku-4-5
```
(no-tools, no-session) to summarize using your extra prompt

summarize

NPX Install

Tags

SKILL.md Content

When to use

Quick usage

Convert a URL or file to Markdown

Convert + summarize with haiku-4-5 (pass context!)