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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and closed-world scope, so the safety profile is covered. The description adds genuinely new behavioral context by stating what the response contains (per-service links, a USD price guide) and that the optional search narrows rather than replaces the list.

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 sentences, front-loaded with the resource and its payload. The parenthetical service enumeration is long but earns its place by telling the agent what content to expect; the filtering hint is placed last where it belongs.

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?

With no output schema, the description carries the burden of describing returns and does so at a high level (links per service, USD price guide). Combined with a fully documented single optional parameter and complete annotations, an agent has enough to call this correctly; only exact return shape is left unspecified.

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% and the single optional `search` parameter is already documented with examples in the schema. The description's "pass a search word to narrow the list" restates that behavior without adding format or matching semantics, so the baseline 3 applies.

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?

Names the concrete resource (the services offered) and enumerates the actual service types plus the two things returned: a link per service and a USD price guide. An agent can tell this is the service catalog rather than a case-study list or a quote request. It stops short of explicitly contrasting with the siblings, which keeps it at 4.

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?

"Pass a search word to narrow the list" implies the browse-then-filter pattern, but there is no statement of when to call this versus request_quote (the obvious alternative for pricing conversations) or when filtering is unnecessary. Usage is implied rather than specified.

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