cronalert-mcp

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

Annotations already declare readOnlyHint=true, openWorldHint=false, and destructiveHint=false, covering the core safety profile. The description adds the scope constraint ('active incidents across all monitors') which provides useful behavioral context beyond annotations, but doesn't address other aspects like pagination, sorting, or response format.

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, efficient sentence that communicates the essential purpose without any wasted words. It's appropriately sized for a simple list operation with no parameters.

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 operation with good annotations but no output schema, the description provides adequate but minimal context. It specifies scope ('active incidents across all monitors') but doesn't explain what constitutes an 'active' incident, return format, or how results are organized. The annotations help but don't fully compensate for the missing output details.

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?

With 0 parameters and 100% schema description coverage, the schema fully documents the input structure (none required). The description appropriately doesn't need to explain parameters, and the baseline for this situation is 4 since there are no parameters to document.

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 clearly states the action ('List') and resource ('all active incidents across all monitors'), providing a specific verb+resource combination. However, it doesn't explicitly distinguish this tool from its sibling 'get_monitor_incidents', which appears to be a more targeted version of incident retrieval.

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 description provides no guidance on when to use this tool versus alternatives like 'get_monitor_incidents' or 'get_check_results'. It doesn't mention prerequisites, exclusions, or comparative use cases with sibling tools, leaving the agent to infer usage context.

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