get_mcp_specification

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

With no annotations, the description carries full behavioral burden. It discloses that the knowledge is always up-to-date and lists the content domains covered. However, it omits output format, size, and any side-effect information, which is a notable gap for an unannotated getter tool.

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 two short sentences with the core purpose front-loaded. The second sentence reinforces the up-to-date nature but is slightly redundant; overall it is efficient and easy to parse.

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?

For a zero-parameter tool, the description adequately conveys the subject matter and currency. However, without an output schema or annotations, it would be more complete if it stated what the response looks like, such as a markdown document or structured data.

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 the schema documents this fully with an empty object. The baseline of 4 for zero-parameter tools applies; no additional parameter explanation is needed.

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 identifies the resource and action: 'Get the current MCP protocol specification, best practices, and common patterns.' This distinguishes it from the sibling tools by subject matter, though it does not explicitly call out the difference from search_knowledge_base.

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 implies usage when current, up-to-date MCP development knowledge is needed, especially through the 'Always up-to-date' phrase. However, it provides no explicit guidance on when to prefer this tool over siblings like search_knowledge_base, nor any exclusions.

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