lazymac-mcp

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

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions DST awareness and meeting planning but lacks details on rate limits, authentication needs, error handling, or what the tool returns. The vague 'params' object in the schema further obscures expected behavior.

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 extremely concise and front-loaded, packing key information into a brief phrase. Every word earns its place by highlighting core features without unnecessary elaboration.

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?

Given the complexity implied by features like DST awareness and meeting planning, plus a vague schema and no output schema, the description is insufficient. It doesn't explain how to use the tool, what inputs are needed, or what results to expect, leaving significant gaps for an AI agent.

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 input schema has 100% description coverage but only vaguely describes a 'Free-form params object' without specifying required fields, formats, or examples. The description adds no parameter details beyond what the schema states, failing to compensate for the schema's lack of specificity.

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 tool's function as a timezone converter with DST awareness and meeting planning capabilities. It specifies the resource (400+ city timezone converter) and key features, though it doesn't explicitly differentiate from sibling tools, which are unrelated to timezone functions.

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 guidance is provided on when to use this tool versus alternatives or in what context it should be applied. The description lists features but offers no usage scenarios, prerequisites, or exclusions.

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