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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=true, so the safety profile is covered. The description adds useful behavioral context beyond that: it names the HTTP verb/path and describes what comes back (ids plus bilingual names), which matters since there is no output schema. It does not mention rate limits or caching behavior.

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?

Two tightly written sentences plus the endpoint, front-loaded with the action and the enumerated options. No filler or redundancy.

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 read-only list tool with no output schema, the description covers what to fetch, what it returns, and why an agent would call it. Pagination is handled by the schema. Minor gap: the response envelope shape is not described, though the cardinality and fields are.

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?

With 100% schema description coverage and an enum on `table`, the schema already documents all three parameters including pagination guidance ('Pass the previous reply's next_page'). The description adds no additional parameter-level detail, so the baseline of 3 is correct.

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?

Specific verb ('List') plus resource ('lookup tables'), with the valid tables enumerated and the returned fields (ids, English/Arabic names) stated. It is clearly distinguishable from siblings such as jisr_list_employees or jisr_list_paygroups, which return different resources.

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?

'Use the ids when creating an employee' gives a concrete downstream use case, tying it to jisr_create_employee. There are no explicit exclusions or comparisons to alternatives, but the six enumerated tables make the scope unambiguous.

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