MCP cldkctl Server

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It fails to indicate whether this is a read or write operation, what data it returns, any authentication requirements, rate limits, or side effects. 'Call' is vague and doesn't clarify if it's safe, destructive, or has specific constraints, making it inadequate for a tool with zero annotation coverage.

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 concise but under-specified—it's a single sentence that wastes its brevity on tautological content rather than informative details. While front-loaded, it fails to earn its place by providing meaningful value, making it inefficient rather than effectively concise.

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 lack of annotations, no output schema, and a vague description, this tool is severely under-documented. The description doesn't explain what the tool returns, its behavior, or usage context, leaving the agent with insufficient information to invoke it correctly. This is inadequate even for a simple tool with zero parameters.

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 zero parameters, and schema description coverage is 100%, so there are no parameters to document. The description doesn't add parameter semantics, but this is acceptable given the absence of parameters. A baseline of 4 is appropriate as no compensation is needed for missing parameter info.

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 'Call the cldkctl_payment_history endpoint' is a tautology that merely restates the tool name with 'Call' as a verb. It doesn't specify what the tool actually does (e.g., retrieve payment history records, list transactions, or query billing data), nor does it differentiate from sibling tools like 'cldkctl_billing_history' or 'cldkctl_balance_detail'. This provides minimal actionable information to an agent.

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?

There is no guidance on when to use this tool versus alternatives. The description offers no context, prerequisites, or exclusions, leaving the agent with no indication of appropriate scenarios. Given the many billing-related siblings (e.g., 'cldkctl_billing_history', 'cldkctl_balance_detail'), this omission is particularly problematic.

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