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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so safety is covered without the description. The description adds nothing beyond that: no default ordering, no statement about what a history entry contains, and no note that results are paginated or capped at 100 per page.

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 short sentence with the resource front-loaded and zero filler. It is efficient, though the terseness leaves the definition thin rather than over-written.

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 five-parameter, fully-optional list tool with no output schema, the description should at least indicate ordering or what a returned record represents, since no output schema exists to explain return values. Annotations cover the safety profile, so the gap is moderate rather than severe.

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%, including the tenant-timezone, inclusive-day semantics for from/to and the enum for status, so the schema carries the burden. The description only gestures at "optional filters" without mapping them, which is the baseline expectation when the schema already documents every parameter.

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?

"List simulation history with optional filters" names a specific verb (list) and resource (simulation history), so an agent knows it is a read/list operation. It does not distinguish itself from nearby siblings such as lexq_simulation_status, lexq_replay_list, or lexq_history_list, which all return list-like data.

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?

There is no guidance on when to call this instead of lexq_simulation_status (single run) or lexq_replay_list / lexq_history_list (adjacent histories). "Optional filters" implies you may scope results, but no conditions, prerequisites, or exclusions are given.

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