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Guide · Agent skill

How to use the PDF Summarizer agent skill

Updated · written with AI from the project's own documentation and checked against our catalogue data

The PDF Summarizer is an agent skill, a folder of written instructions that tells an AI agent how to handle a specific task. This guide shows you how to install the pdf-summarizer skill, ask for a summary in natural language, and know when the output is good enough to rely on. You do not need any programming experience to follow it.

PDF SummarizerTencent/AI-Infra-Guard · Apache-2.0

Quick start

  1. 1Download the skill ZIP. Get the pdf-summarizer ZIP file from this page.
  2. 2Unzip into a skills folder. Unzip it into ~/.claude/skills/ for all projects, or into a project's .claude/skills/ folder for one project.
  3. 3Or upload it in the Claude apps. Go to Settings → Capabilities → Skills and upload the skill there.
  4. 4Attach your PDF. Provide the PDF document to the agent in your conversation.
  5. 5Ask for a summary. Say something like 'Summarize this PDF in bullet points' to trigger the skill.
  6. 6Check the output. Compare the three to five bullets against the original, especially for scanned or dense documents.

What the PDF Summarizer skill makes the agent do

When you give the agent a PDF, this skill tells it to read the document text, identify the main topics, and return three to five bullet points capturing the key ideas. Without the skill, the agent chooses its own summary style and length. With it, the output follows the same short bullet format each time.

The skill is only written instructions. It contains a single file, SKILL.md, and includes no code.

Install the PDF Summarizer skill

Download the ZIP file for the pdf-summarizer skill from this page. Then choose one of the following methods.

To install it for all your projects, unzip the file into ~/.claude/skills/. To install it for one project only, unzip it into that project's .claude/skills/ folder. In the Claude apps, you can instead upload the skill under Settings → Capabilities → Skills.

  • Personal install: unzip into ~/.claude/skills/
  • Project install: unzip into the project's .claude/skills/ folder
  • Claude apps: Settings → Capabilities → Skills, then upload

How to trigger the skill with natural requests

You do not need a special command. Attach a PDF and ask for a summary in ordinary words. The skill is written to apply when the user provides a PDF and asks for a concise summary of its key points.

Requests such as the following should match the skill's purpose. Mention the PDF and say you want the main points or a short summary.

  • Summarize this PDF in bullet points.
  • What are the key points of this report?
  • Give me the gist of this paper in a few bullets.

Examples of what you get back

The skill asks the agent to extract the main sections, then return 3-5 bullet points. Each bullet should capture one key idea from the document. Because the length is fixed, expect the output to be brief and uniform rather than a detailed digest.

Students skimming readings can use the bullets to decide which sections to study in depth. Anyone who needs a consistent summary format across several documents benefits from the same structure each time.

  • Typical output: three to five bullets, one key idea each
  • Good for deciding what to read more closely
  • Not a substitute for reading the full document

What you need and the safety notes

The skill lists no required tools or dependencies. It does not run scripts and does not use the network, according to its contents. The skill's instructions only ask the agent to read the document text.

The skill does not describe how to handle scanned PDFs that have no text layer. It also does not describe OCR. If your PDF is a scan, the agent may miss content, so check the output against the original.

  • Requirements: none listed
  • Runs scripts: no
  • Uses network: no
  • Files included: SKILL.md only

Tips and limits for better summaries

The fixed limit of three to five points forces heavy compression. For very long documents, a few bullets cannot cover every section, so treat the result as an overview. For legal, medical or financial decisions, read the full document and do not rely on the summary alone.

  • Use text-based PDFs where possible
  • Ask follow-up questions about a section you want expanded
  • Do not use the summary alone for legal, medical or financial decisions
  • Expect omissions in long or dense documents

What people use it for

  • Skimming a long industry report before a meeting
  • Getting the gist of a research paper before deciding whether to read it fully
  • Previewing a student reading to choose which chapters to study closely
  • Producing uniform bullet summaries across several documents

Frequently asked questions

How do I install the pdf-summarizer skill?

Download the ZIP from this page and unzip it into ~/.claude/skills/ for all projects, or into a project's .claude/skills/ folder for one project. In the Claude apps, you can upload it under Settings → Capabilities → Skills.

Does the PDF Summarizer skill require anything else to run?

The skill lists no required dependencies. It runs no scripts, uses no network access, and consists only of a SKILL.md instruction file.

Is the PDF Summarizer skill free?

The skill is published under the Apache-2.0 licence. This guide does not state any price beyond that licence information.

Can it summarize scanned PDFs?

The skill does not describe handling scanned PDFs without a text layer, and it does not describe OCR. The agent may miss content in scans, so check the output against the original.

Why does my summary only have three to five bullets?

The skill instructs the agent to return 3-5 bullet points capturing the key ideas. This fixed limit keeps summaries short and uniform, but it can omit details from long documents.

Can I use this skill for legal or medical documents?

It is not suited to legal, medical or financial decisions that need a verified reading of the full document, because a short bullet summary can leave out important details. Read the original document for those cases.

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Our verdict

Use the PDF Summarizer if you want a quick, consistent bullet overview of text-based reports, papers or readings. Pick something else if your PDF is a scan, your decision carries legal, medical or financial weight, or the document is long enough that five bullets cannot cover it.

Download the skill