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

Annotations already carry readOnlyHint=true, openWorldHint=true and destructiveHint=false, so the safety profile is covered by structured data. The description adds value beyond that by disclosing the pagination trait (cursor from previous page drives the next page) and the shape of the result (status plus events). It does not mention rate limits or error conditions, but credit is due for the added behavioral context.

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?

Three short sentences, front-loaded with the action and its source tool, then the pagination mechanic. No filler and no restatement of the title.

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 read-only paged GET, the description covers origin (kisi_search_events), the returned content (status and events), and the paging mechanic, while annotations cover the safety profile and there is no output schema to account for. Nothing an agent needs to call it correctly 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?

Schema description coverage is 100%, so the schema already documents event_set_id, limit and cursor; baseline is 3. The description only restates the cursor workflow already implied by the schema's 'cursor from the previous page' and adds nothing about the default/limit behavior, so it does not exceed the structured data in a meaningful way.

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 (read an event set), and explicitly names the sibling that produces it (kisi_search_events), telling the agent exactly what this tool consumes. It also names the payload contents (status and events), so it is distinguishable from the list_* and get_* siblings without opening the schema.

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 clear context: use this to page through an event set created by kisi_search_events, and pass the previous page's cursor to advance. It does not state when-not to use it or an alternative paging path, so it stops short of a full 5.

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