get_departments_and_semesters

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

Even with no annotations provided, the description clearly signals a read-only retrieval operation with the verb 'Retrieve' and the scope 'all available'. It does not add richer behavioral context such as authentication requirements, rate limits, or what happens if the source is empty, so the description carries only partial behavioral burden.

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, front-loaded sentence with no filler and includes a helpful example of the semester format. The parenthetical '64' in 'Program Course Details (64)' is unexplained but does not create significant bloat.

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 zero-parameter tool with an output schema, the description sufficiently covers what the tool returns: department codes/names and semester terms. It could be more complete by explaining the 'Program Course Details (64)' reference and when to call this versus a sibling search tool, but nothing essential to invoking it is missing.

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?

The tool has zero parameters and the input schema is empty, so there is no parameter documentation burden on the description. The description appropriately focuses on what the response will contain rather than input details.

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 states a specific action ('Retrieve all available...') and a clear resource: METU academic departments and semester terms. It also distinguishes itself from search_departments by emphasizing 'all available' rather than filtered search, and it provides a concrete semester format example.

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 word 'all available' implies this is the tool to use when you need the complete unfiltered enumeration of departments and semesters. However, it does not explicitly mention alternatives or state when not to use it, such as preferring search_departments for targeted lookup.

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