Save as PDF

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

No annotations are provided, so the description carries the full burden. It discloses the return format (base64) which is useful, but omits whether the operation mutates state (printing is generally non-destructive but this is not stated), whether it requires the page to be loaded, and any size or rate limits.

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

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

A single front-loaded sentence with no filler; every word earns its place.

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

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

The description covers the core action and return shape, which is enough for an agent to invoke the tool. However, with no annotations and no output schema, it leaves behavioral aspects like preconditions, non-destructiveness, and error conditions undocumented, making it only minimally complete for a 6-parameter tool.

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

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

Schema description coverage is 100%, so every one of the six optional parameters is already documented with type, default, and constraints. The description adds no parameter-level information beyond what the schema provides, so the baseline of 3 is appropriate.

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

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

States a specific verb (Print) and resource (current page) and the output form (PDF, base64-encoded data). This clearly distinguishes it from browser_screenshot, which would produce an image rather than a PDF.

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

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

Implied usage is clear from the purpose, but there is no explicit when-to-use guidance or contrast with the sibling browser_screenshot. For a tool whose main alternative (screenshot) is present in the sibling list, an explicit routing sentence is missing.

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