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page_pdf

Generate a PDF from a web page tab, saving to a file or receiving base64 data. Customize paper format, orientation, margins, headers, and scale.

Instructions

Generate PDF from page. Saves to path or returns base64.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
tabIdYesTab ID to generate PDF from
pathNoSave path. Omit for base64
formatNoPaper format. Default: A4
landscapeNoLandscape mode. Default: false
printBackgroundNoPrint backgrounds. Default: true
scaleNoRender scale (0.1-2.0). Default: 1
marginTopNoTop margin, e.g. "1cm"
marginRightNoRight margin, e.g. "1cm"
marginBottomNoBottom margin, e.g. "1cm"
marginLeftNoLeft margin, e.g. "1cm"
pageRangesNoPage ranges, e.g. "1-5, 8, 11-13"
displayHeaderFooterNoShow header/footer. Default: false
headerTemplateNoHeader HTML template (needs displayHeaderFooter)
footerTemplateNoFooter HTML template (needs displayHeaderFooter)
Behavior2/5

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

Annotations provide minimal behavioral clues (all false). The description adds that the tool generates a PDF and can save to filesystem or return base64, but does not disclose potential side effects, permissions needed, or performance implications beyond the basic action.

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?

The description is extremely concise at 9 words, yet communicates the core purpose and two output options. Every word is necessary and front-loaded.

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?

Given the high parameter count (14) and lack of output schema or annotations, the description is minimal. It covers the fundamental behavior but omits context about default parameter values, page ranges, or format settings that are only in the schema.

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

Parameters3/5

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

Schema coverage is 100%, so baseline is 3. The description does not add new parameter information beyond what the schema already provides, but it does reinforce the path omission for base64 output.

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

Purpose5/5

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

The description clearly states the tool generates a PDF from a page and specifies two output options: save to path or return base64. It uses a specific verb and resource, and is distinct from sibling tools like page_screenshot.

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 is provided on when to use this tool versus alternatives such as page_screenshot or network_capture. The description does not include context for when PDF output is preferred.

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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