IT Tools MCP Server

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

Annotations indicate readOnlyHint: false, but the description does not clarify if this is a read-only operation or involves mutation. It adds minimal behavioral context beyond annotations, such as the input format example, but lacks details on output format, error handling, or rate limits. No contradiction with annotations is present.

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, direct sentence with no unnecessary words, making it highly concise and front-loaded. It efficiently communicates the core function without redundancy or fluff, earning its place as an effective summary.

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's low complexity (one parameter, no output schema, simple conversion function), the description is adequate but lacks completeness. It does not explain the output format or provide examples of the IP address range result, which could aid the agent in understanding the tool's behavior more fully.

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?

Schema description coverage is 100%, with the parameter 'cidr' fully documented in the schema. The description does not add any additional semantic information about the parameter beyond what the schema provides, such as format constraints or examples not already covered. Baseline score of 3 is appropriate given high schema coverage.

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 specific action ('Convert') and the resource ('CIDR notation to IP address range'), making the purpose explicit. It distinguishes from sibling tools like 'convert_ip_range_to_cidr' by specifying the opposite direction of conversion, avoiding ambiguity.

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 does not mention sibling tools like 'calculate_ip_subnet' or 'convert_ip_range_to_cidr', nor does it specify prerequisites or contexts for usage, leaving the agent without operational context.

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