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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=true, so safety is covered. The description adds that each search includes its results URL, which is useful, but says nothing about pagination, result limits, or what happens with empty results.

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?

One tight sentence plus the endpoint template; no wasted words. The endpoint path is arguably redundant with the description but aids the agent in understanding scope.

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 endpoint with fully described parameters and annotations carrying the safety profile, the description covers the essentials and clarifies the return payload ('results URL of each'). Only routing to related siblings is thin.

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 coverage is 100%, so the schema fully documents lead_id, search_id, fields, interval, date_type, and start_datetime. The description only adds the lead_id/search_id relationship and return data, which slightly reinforces the schema rather than supplementing it.

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 ('Saved property searches of a lead') and clarifies the single-search variant when search_id is supplied. It is distinguishable from idx_list_leads and reasonably from idx_list_lead_saved_properties, though it never explicitly names those siblings.

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 parenthetical '(or one search when search_id is given)' implies usage for single vs. all searches, but there is no explicit when-to-use guidance, prerequisites, or named alternatives such as idx_get_lead or idx_list_lead_saved_properties.

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