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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is established. The description adds that the state is 'current' and enumerates the returned data, but it does not disclose potential behavioral details like freshness guarantees, network dependency, or whether connection status requires active checks. No contradiction with annotations.

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, front-loaded sentence that immediately states the return value and then details the contents in a compact enumeration. Every part of the description adds information with no filler or redundancy.

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?

With no parameters and no output schema, the description carries the full burden of explaining what the tool returns. It does so by listing the four main data categories: installed MCPs, connection status, connected accounts, and catalog tool counts. This is sufficient for a simple, read-only informational tool.

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 is fully covered. Since there is nothing for the description to clarify about inputs, the baseline of 4 applies; no additional parameter documentation 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 uses a specific verb ('Returns') and clearly identifies the resource ('current toolkit state'), then lists exactly what the state includes: installed MCPs, connection status, connected accounts, and catalog tool counts. This clearly distinguishes toolkit_info from siblings like show_version (likely a narrower version check) and authenticate/connect (action-oriented tools).

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 the tool should be used when checking toolkit status or inventory, but it does not explicitly state when to use it versus alternatives or list exclusions. Sibling tools such as show_version might overlap in purpose, but no comparison or when-not-to-use guidance is provided.

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