get_discussions

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

The description's 'read posts' is consistent with readOnlyHint and openWorldHint annotations. It adds Brightspace context and the role of IDs, but it does not disclose return shape or behavior when only course is provided. No annotation contradiction is present.

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 description is a single short, front-loaded sentence with no redundant filler. However, the brevity contributes to ambiguity about the tool's exact function, so it is concise but not fully effective.

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?

There is no output schema, so the description is the only place to communicate return values, but it does not say what the tool returns. It also fails to explain the required course parameter or what happens when forumId and topicId are omitted, leaving a 3-parameter tool under-specified.

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 only 33%, so the description should compensate, but it mostly restates forumId and topicId without explaining their semantics or requiredness. It completely omits the required course parameter, leaving the agent without enough parameter-level guidance.

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 names a Brightspace discussions resource and mentions 'read posts', which goes beyond a tautology. However, it is ambiguous whether the tool lists forums/topics when IDs are omitted or only fetches posts, and it does not explicitly distinguish itself from sibling tools.

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?

It gives an explicit hint to pass forumId and topicId to read posts. It does not say when to prefer this tool over siblings like get_content or api_get, nor does it address the fact that the schema marks those IDs optional while course is required.

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