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

No annotations are provided, so the description carries full burden for behavioral disclosure. The description only states what the tool does ('checks server status') but provides no information about what the check entails, what 'status' means, whether this is a read-only operation, what permissions might be required, or what happens when invoked. For a tool with zero annotation coverage, this is insufficient behavioral context.

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 - a single sentence that directly states the tool's purpose. There's zero wasted language or unnecessary elaboration. It's appropriately sized for a simple tool 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?

Given that the tool has no parameters, 100% schema coverage, and an output schema exists, the description is minimally adequate. However, for a status-checking tool with no annotations, the description should ideally provide more context about what 'server status' means and what the output represents. The existence of an output schema helps, but the description itself lacks completeness for understanding the tool's behavior and results.

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 tool has 0 parameters, and schema description coverage is 100%. With no parameters to document, the baseline for this dimension is 4. The description doesn't need to compensate for any parameter documentation gaps since there are none.

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 purpose: 'MCP 서버 상태를 확인한다' (Checks MCP server status). It uses a specific verb ('확인한다' - checks/verifies) and resource ('MCP 서버 상태' - MCP server status). However, it doesn't explicitly differentiate from its sibling tool 'list_supported_checks', which might have overlapping or related functionality.

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. There's no mention of when this tool should be used, when it shouldn't, or how it differs from the sibling tool 'list_supported_checks'. The agent receives no contextual usage information beyond the basic purpose statement.

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