zabbix_correlation_exists

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

With no annotations, the description must disclose behavior. It fails to mention whether the operation is read-only, returns a boolean, or has any side effects. The agent learns nothing about the tool's execution characteristics beyond the name.

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?

While short, the description is under-specified rather than concise. It adds no value beyond the tool name. Every sentence should be informative; this single sentence is wasted.

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?

Despite having an output schema, the description provides no context about return values or behavior. The agent cannot determine if this tool returns a boolean, list, or other data. The description is incomplete for an agent to use effectively.

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 0%, so the description must explain the 'params' parameter. It does not. The parameter is a flexible object, likely containing filter criteria, but no semantic guidance is given. The agent cannot infer correct usage.

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?

The description is a tautology: 'Zabbix API correlation.exists method' merely restates the tool name. It does not specify what the method does, such as checking for the existence of a correlation, which is critical for an agent to differentiate from other correlation tools like 'get' or 'create'.

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?

No usage guidance is provided. The description does not indicate when to use this tool versus siblings like zabbix_correlation_get or zabbix_correlation_create. Sibling tools exist but are not referenced, leaving the agent without context for proper selection.

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