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🦀 ClawHub

Parallel Extract

by @normallygaussian

URL content extraction via Parallel API. Extracts clean markdown from webpages, articles, PDFs, and JS-heavy sites. Use for reading specific URLs with LLM-re...

Versionv1.0.3

Downloads2,310

Installs3

#writing #legal

View on ClawHub →

TERMINAL

clawhub install parallel-extract

📖 About This Skill

name: parallel-extract description: "URL content extraction via Parallel API. Extracts clean markdown from webpages, articles, PDFs, and JS-heavy sites. Use for reading specific URLs with LLM-ready output." homepage: https://parallel.ai

Parallel Extract

Extract clean, LLM-ready content from URLs. Handles webpages, articles, PDFs, and JavaScript-heavy sites that need rendering.

When to Use

Trigger this skill when the user asks for:

"read this URL", "fetch this page", "extract from..."

"get the content from [URL]"

"what does this article say?"

Reading PDFs, JS-heavy pages, or paywalled content

Getting clean markdown from messy web pages

Use Search to discover; use Extract to read.

Quick Start

parallel-cli extract "https://example.com/article" --json

CLI Reference

Basic Usage

parallel-cli extract "" [options]

Common Flags

| Flag | Description | |------|-------------| | --url "" | URL to extract (repeatable, max 10) | | --objective "" | Focus extraction on specific content | | --json | Output as JSON | | --excerpts / --no-excerpts | Include relevant excerpts (default: on) | | --full-content / --no-full-content | Include full page content | | --excerpts-max-chars N | Max chars per excerpt | | --excerpts-max-total-chars N | Max total excerpt chars | | --full-max-chars N | Max full content chars | | -o | Save output to file |

Examples

Basic extraction:

parallel-cli extract "https://example.com/article" --json

Focused extraction:

parallel-cli extract "https://example.com/pricing" \
  --objective "pricing tiers and features" \
  --json

Full content for PDFs:

parallel-cli extract "https://example.com/whitepaper.pdf" \
  --full-content \
  --json

Multiple URLs:

parallel-cli extract \
  --url "https://example.com/page1" \
  --url "https://example.com/page2" \
  --json

Default Workflow

1. Search with an objective + keyword queries 2. Inspect titles/URLs/dates; choose the best sources 3. Extract the specific pages you need (top N URLs) 4. Answer using the extracted excerpts/content

Best-Practice Prompting

Objective

When extracting, provide context:

What specific information you're looking for

Why you need it (helps focus extraction)

Good: --objective "Find the installation steps and system requirements"

Poor: --objective "Read the page"

Response Format

Returns structured JSON with:

url — source URL

title — page title

excerpts[] — relevant text excerpts (if enabled)

full_content — complete page content (if enabled)

publish_date — when available

Output Handling

When turning extracted content into a user-facing answer:

Keep content verbatim — do not paraphrase unnecessarily

Extract ALL list items exhaustively

Strip noise: nav menus, footers, ads, "click here" links

Preserve all facts, names, numbers, dates, quotes

Include URL + publish_date for transparency

Running Out of Context?

For long conversations, save results and use sessions_spawn:

parallel-cli extract "" --json -o /tmp/extract-.json

Then spawn a sub-agent:

{
  "tool": "sessions_spawn",
  "task": "Read /tmp/extract-.json and summarize the key content.",
  "label": "extract-summary"
}

Error Handling

| Exit Code | Meaning | |-----------|---------| | 0 | Success | | 1 | Unexpected error (network, parse) | | 2 | Invalid arguments | | 3 | API error (non-2xx) |

Prerequisites

1. Get an API key at parallel.ai 2. Install the CLI:

curl -fsSL https://parallel.ai/install.sh | bash
export PARALLEL_API_KEY=your-key

References

API Docs

Extract API Reference

⚡ When to Use

Trigger	Action
- "read this URL", "fetch this page", "extract from..."
- "get the content from [URL]"
- "what does this article say?"
- Reading PDFs, JS-heavy pages, or paywalled content
- Getting clean markdown from messy web pages
Use Search to discover; use Extract to read.

💡 Examples

Basic extraction:

parallel-cli extract "https://example.com/article" --json

Focused extraction:

parallel-cli extract "https://example.com/pricing" \
  --objective "pricing tiers and features" \
  --json

Full content for PDFs:

parallel-cli extract "https://example.com/whitepaper.pdf" \
  --full-content \
  --json

Multiple URLs:

parallel-cli extract \
  --url "https://example.com/page1" \
  --url "https://example.com/page2" \
  --json

⚙️ Configuration

1. Get an API key at parallel.ai 2. Install the CLI:

curl -fsSL https://parallel.ai/install.sh | bash
export PARALLEL_API_KEY=your-key