EpicMe MCP

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the tool returns content but doesn't describe any behavioral traits such as rate limits, authentication requirements, error conditions, or what happens when invalid input is provided. The mention of 'output schema for client data validation' suggests some validation behavior, but this is not elaborated.

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 gets straight to the point. It's appropriately sized for a simple tool with one parameter. However, it could be slightly more front-loaded by specifying what type of structured content is returned earlier in the description.

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 tool has an output schema (which handles return value documentation), a simple input schema with 100% coverage, and no complex annotations, the description is reasonably complete. It covers the basic purpose and hints at validation use. The main gap is lack of specificity about what structured content is actually returned.

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 description coverage is 100%, with the single parameter 'location' clearly documented as 'City name or zip code.' The description adds no additional meaning beyond what the schema provides - it doesn't explain how the location parameter affects the returned content or provide examples. Baseline score of 3 is appropriate since the schema does the heavy lifting.

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 states the tool 'Returns structured content' which indicates a read operation, but it's vague about what specific content is returned. It mentions 'client data validation' but doesn't specify what kind of structured content (e.g., weather data, business listings, etc.). The purpose is clear enough to understand it's a retrieval tool but lacks specificity about the resource being accessed.

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. It doesn't mention any sibling tools or specific contexts where this tool is preferred. The phrase 'for client data validation' hints at validation use cases, but this is too general to serve as practical guidance for tool selection.

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