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

Annotations already declare readOnlyHint=true and idempotentHint=true, indicating a safe, non-mutating operation. The description adds 'keine Buchung oder Anmeldung ausführen,' which is consistent but largely redundant with the readOnly hint. It does not disclose other behaviors such as error handling, return format, or potential side effects beyond the read-only nature.

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?

The description is a single short sentence, which is concise in length, but it suffers from under-specification rather than being appropriately sized. It conveys a vague purpose and a disclaimer but omits necessary detail, so the conciseness does not add value.

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?

The tool has one annotated read-only operation with a parameter that is entirely unexplained. Even with annotations covering safety, the description fails to explain what the link is for, what the 'intent' values represent, or when this tool is the right choice. It is far from complete for an agent to use correctly.

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?

The schema has one parameter 'intent' with three enum values, and schema description coverage is 0%. The description makes no mention of this parameter—what it means, how to choose a value, or its effect on the returned link. With zero coverage and no description compensation, the agent has no way to correctly populate the 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?

Tautological: description restates name/title.

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 use this tool versus alternatives. The description does not mention any condition, context, or scenario that would lead an agent to select this tool over siblings. No exclusions or prerequisites are given.

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