ClawHub

Paper To Markdown

v1.0.0

PDF to Markdown converter - extract text, tables and formulas from PDF files to clean Markdown. Use when converting PDF documents, extracting PDF content, pa...

⭐ 0· 133·0 current·0 all-time
by@tanis90

Install

OpenClaw Prompt Flow

Install with OpenClaw

Best for remote or guided setup. Copy the exact prompt, then paste it into OpenClaw for tanis90/paper-to-markdown.

Previewing Install & Setup.
Prompt PreviewInstall & Setup
Install the skill "Paper To Markdown" (tanis90/paper-to-markdown) from ClawHub.
Skill page: https://clawhub.ai/tanis90/paper-to-markdown
Keep the work scoped to this skill only.
After install, inspect the skill metadata and help me finish setup.
Required binaries: mineru-open-api
Use only the metadata you can verify from ClawHub; do not invent missing requirements.
Ask before making any broader environment changes.

Command Line

CLI Commands

Use the direct CLI path if you want to install manually and keep every step visible.

OpenClaw CLI

Bare skill slug

openclaw skills install paper-to-markdown

ClawHub CLI

Package manager switcher

npx clawhub@latest install paper-to-markdown
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OpenClawOpenClaw
Benign
medium confidence
✓
Purpose & Capability
Name/description ask for PDF→Markdown conversion and the skill only requires the mineru-open-api CLI and invokes its flash-extract/extract commands. The declared install targets (npm, uv, go) and the homepage/repo references align with the stated purpose.
ℹ
Instruction Scope
SKILL.md instructs the agent to run mineru-open-api flash-extract on local files or URLs and explicitly states the CLI sends the document to the MinerU API (mineru.net). The instructions do not ask the agent to read unrelated files or environment variables, but do transmit user-provided documents to a third-party endpoint — a privacy/data-exfiltration consideration rather than a functional mismatch.
ℹ
Install Mechanism
Install options are npm/uv/go packages for mineru-open-api which is proportionate. The SKILL.md also suggests downloading a CLI from mineru.net as a fallback; direct downloads are higher-risk than package-manager installs and should be verified before use.
✓
Credentials
No environment variables, credentials, or config paths are required. The lack of required secrets is consistent with the claim that basic flash-extract does not need an API key; a separate auth flow is only mentioned for larger/precision extraction.
✓
Persistence & Privilege
The skill is not always: true and does not request persistent elevated privileges or modify other skills. It simply invokes an external CLI at runtime.
Assessment
This skill is coherent with its description, but it uploads PDFs to mineru.net for processing. Do not use it for sensitive or confidential documents unless you accept that those files will be transmitted to that service. Prefer installing mineru-open-api via a package manager (npm/go) rather than downloading binaries from a website. If you care about supply-chain risk, review the mineru-open-api package source (GitHub repo referenced in SKILL.md) before installing, test the tool on non-sensitive sample PDFs, and check MinerU's privacy policy or hosting details to understand retention/processing guarantees.

Like a lobster shell, security has layers — review code before you run it.

Runtime requirements

📄 Clawdis
Binsmineru-open-api

Install

Install via npm
Bins: mineru-open-api
npm i -g mineru-open-api
Install via uv
Bins: mineru-open-api
uv tool install mineru-open-api
Install via go install
Bins: mineru-open-api
latestvk97bpmn03dqhjc666gmgb07nkh83gacs
133downloads
0stars
1versions
Updated 1mo ago
v1.0.0
MIT-0
@tanis90
latest
Download

Paper to Markdown - Researcher Tool

Convert PDF files to clean Markdown using MinerU Open API. No API key required.

Quick Start

# Paper to Markdown - Researcher Tool
mineru-open-api flash-extract report.pdf

# Paper to Markdown - Researcher Tool
mineru-open-api flash-extract https://cdn-mineru.openxlab.org.cn/demo/example.pdf

# Paper to Markdown - Researcher Tool
mineru-open-api flash-extract report.pdf -o ./output/

# Paper to Markdown - Researcher Tool
mineru-open-api flash-extract report.pdf --pages 1-10

Language Rule

You MUST reply to the user in the SAME language they use. This is non-negotiable.

Capabilities

  • Extracts text, tables, and formulas from PDF
  • Supports both local files and URLs directly
  • Page range selection with --pages
  • Language hint with --language (default: ch, use en for English)
  • No API key, no signup, no authentication
  • Max 10MB / 20 pages per document

When to Use

  • User asks to "read", "extract", "convert", or "parse" a PDF
  • User shares a PDF file or PDF link and asks for its content
  • User wants to summarize or analyze a PDF document
  • User needs PDF content in Markdown format

CLI Reference

Run mineru-open-api flash-extract --help for all available options.

Data Flow

flash-extract sends the document to the MinerU API (mineru.net) for processing and returns Markdown. This is a stateless API call — no account, no persistent storage. MinerU is an open-source project by OpenDataLab (Shanghai AI Lab): https://github.com/opendatalab/MinerU

Notes

  • Output is Markdown only; images/tables/formulas may be replaced with placeholders
  • For larger files (up to 200MB/600 pages) or precision extraction with full assets, use mineru-open-api extract (requires auth via mineru-open-api auth)
  • If the CLI cannot be installed via npm/uv/go, download it from https://mineru.net/ecosystem?tab=cli

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