smugmug_guide

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

No annotations are supplied, so the description carries the burden. It discloses that the tool returns information about screens and a sign-in link, implying a read-only informational response, but it never states that it has no side effects, whether it navigates the browser, or what form the guidance takes.

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?

The definition is short, front-loads the scope, and ends with the imperative 'Call this first,' which is the key instruction. The phrase 'its screens and the sign-in link' is slightly cryptic but earns its place by scoping the content.

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?

For a simple one-parameter informational tool with no output schema, the description is adequate to trigger a call but thin on what the guide actually returns and how it should be used after reading. It is minimally complete rather than thorough.

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?

There is a single optional 'task' parameter with full schema description coverage ('What you want done in SmugMug, in your words'), so the schema already explains it. The description adds no extra meaning about how the task string shapes the returned guidance, making the baseline of 3 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?

The description identifies this as an orientation/instructional tool for SmugMug covering galleries, photo uploads, the UI screens, and the sign-in link, which distinguishes it from the action-oriented siblings (open, read, click, type). It stops short of a crisp verb+resource statement, but an agent can tell it is the 'how-to' entry point rather than an operation.

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?

'Call this first' gives explicit ordering guidance that is unusual and valuable, telling the agent to invoke this before the action tools. It does not describe when-not to call it or what to do if the guide is insufficient, so it falls short of full alternative routing.

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