open_in_speedgrader

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 usefully discloses the side effect that this opens a browser UI rather than returning data, which is meaningful for an agent choosing a data-fetching sibling instead. However, it does not cover permissions, whether the action is read-only, failure modes, or what the caller gets back.

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 sentence with zero filler, front-loading the action and resource before the optional scope. Nothing is wasted or reordered.

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?

An output schema exists, so return values need not be explained. Still, for a side-effecting UI-launch tool with no annotations and undocumented parameters, the description should note prerequisites (e.g. relevance of course/assignment context, or that it depends on a logged-in browser session).

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 0%, so the description should compensate. It only clarifies user_id (targeting a specific student); course_id and assignment_id are left entirely to their bare titles, and the fact that user_id is optional is already expressed by its null default and non-required status in the schema.

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 and resource ("Open SpeedGrader") plus the destination ("in the user's browser") and an optional scope ("on a specific student"). An agent can tell this is distinct from the grading/post-staging siblings, though it never explicitly contrasts itself with any of them.

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?

The "optionally on a specific student" clause hints at when to supply user_id, but there is no explicit when-to-use guidance, no prerequisites (e.g. browser session/login state), and no named alternative among the sibling tools.

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