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Install in OpenClaw
/install pdf-figure-extractor
Description
从PDF论文中精确提取Figure图片，自动分析PDF结构、定位caption位置、裁剪干净图形，并验证图片质量。支持学术新闻稿、论文写作等场景的自动化图片处理。
Usage Guidance
This skill is an instruction-only recipe for extracting figures from PDFs and appears to do what it claims. Before using it: (1) ensure the agent/runtime has Python and the PyMuPDF package (import fitz) installed — the SKILL.md uses fitz but does not list this dependency; (2) run it on non-sensitive sample PDFs first to tune crop coordinates and verify captions are removed; (3) process private or confidential PDFs in a trusted, isolated environment since the skill will read full PDF contents; (4) if you need automated installs, add a controlled install step (e.g., pip install PyMuPDF) rather than relying on implicit environment assumptions. If you want higher assurance, ask the author for an explicit dependency list and a test vector.
Capability Analysis
Type: OpenClaw Skill
Name: pdf-figure-extractor
Version: 1.0.0
The skill bundle 'pdf-figure-extractor' is designed to automate the extraction of figures from PDF documents using the PyMuPDF (fitz) library. The provided Python snippets in SKILL.md demonstrate standard PDF text block analysis and image cropping techniques without any signs of data exfiltration, malicious execution, or prompt injection attacks.
Capability Assessment
Purpose & Capability
The name/description (PDF figure extraction) matches the SKILL.md: it contains concrete Python examples that analyze PDF text blocks, locate captions, compute crop rectangles, render, and save images. All requested operations are consistent with extracting figures.
Instruction Scope
Instructions operate only on a PDF input (pdf_path, page_num) and explain how to find captions and crop images. They do not instruct reading unrelated filesystem paths or environment secrets. Note: the instructions rely on heuristics and hardcoded coordinate templates which may need tuning for diverse PDFs.
Install Mechanism
This is an instruction-only skill with no install spec. The example code uses the 'fitz' module (PyMuPDF) but the skill does not declare that dependency or advise installing it. That omission reduces completeness/coherence but is not malicious.
Credentials
No environment variables, credentials, or config paths are requested. The skill only requires access to PDFs provided by the user, which is proportionate to its purpose.
Persistence & Privilege
always is false and there is no indication the skill requests persistent privileges or modifies system/agent-wide settings. Autonomous invocation is allowed (platform default) but not excessive here.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install pdf-figure-extractor - After installation, invoke the skill by name or use
/pdf-figure-extractor - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Version 1.0.0
- 首次发布，支持从PDF论文中自动分析结构、准确定位caption并裁剪提取纯净Figure图片。
- 去除caption文字和正文，确保图片干净，适用于学术新闻稿和论文写作。
- 支持批量提取、多子图识别及图片质量验证。
- 提供适配Nature/Science和会议论文等常见PDF布局的操作规范与最佳实践。
- 包含详细错误处理和质量核查指南。
Metadata
Frequently Asked Questions
What is Pdf Figure Extractor?
从PDF论文中精确提取Figure图片，自动分析PDF结构、定位caption位置、裁剪干净图形，并验证图片质量。支持学术新闻稿、论文写作等场景的自动化图片处理。 It is an AI Agent Skill for Claude Code / OpenClaw, with 227 downloads so far.
How do I install Pdf Figure Extractor?
Run "/install pdf-figure-extractor" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Pdf Figure Extractor free?
Yes, Pdf Figure Extractor is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Pdf Figure Extractor support?
Pdf Figure Extractor is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Pdf Figure Extractor?
It is built and maintained by 438061781 (@438061781); the current version is v1.0.0.
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