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samirsaci

mcp-webscraper

by samirsaci

batch_scrape

Scrape multiple URLs in one call, with optional JavaScript rendering for dynamic content.

Instructions

Scrape multiple URLs efficiently.

Args:
    urls: List of URLs to scrape
    javascript: Set to True if the sites need JavaScript rendering

Returns:
    List of scraping results for each URL

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlsYes
javascriptNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must disclose behavioral traits. It mentions 'efficiently' but lacks details on concurrency, rate limits, error handling, or return format beyond a vague 'list of scraping results'.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Very concise with clear Args/Returns structure. Every sentence is meaningful without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Adequate for a simple batch tool, but missing details on output format, error handling, and limits. With an output schema available, it could rely on that, but the description's return statement remains vague.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description adds meaning to both parameters: urls is a list of URLs, javascript is a boolean defaulting to False with a clear usage note. This compensates for the 0% schema description coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool scrapes multiple URLs efficiently, distinguishing it from single-URL tools like scrape_url and from crawling or extraction tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool over siblings like crawl_website or extract_data. It does not suggest prerequisites or alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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