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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description nevertheless adds real value by stating 'opens nothing by itself' and that it returns step-by-step guidance, confirming the read-only nature is about returning instructions rather than data. It does not say how the guidance is scoped to a particular release, which is notable given the tool takes no parameters.

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?

Front-loaded with the purpose, then the return behavior, then the follow-up tool family, with the API rationale last. The phrase 'from ChatGPT, Claude or any AI agent' is filler, and the API availability sentence is supporting context rather than essential instruction, but neither buries the actionable content.

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, no-output-schema tool the description covers what is returned (screens, buttons, fields) and what happens next. The remaining gap is that it never explains how the agent should identify which release to update, given the tool accepts no arguments.

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 takes zero parameters, which sets the baseline at 4. Nothing in the description needs to explain parameter meaning, and the absence of inputs is consistent with a tool that returns generic guidance for an update flow.

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?

States a specific verb and resource ('Update release in the user's own Bandcamp account') and immediately corrects the natural misreading by explaining that the tool returns step-by-step instructions rather than performing the update. The distinction from the acting tools is made explicit via the named 'cotlet_browser_*' family, though the sibling naming is generic rather than tied to a specific alternative.

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?

Gives a clear two-stage workflow: call this to learn the screens, buttons and fields, then execute with the cotlet_browser_* tools in the Cloud Browser. It also explains why this path exists (Bandcamp's official API is restricted to labels and fulfillment partners). No explicit exclusion or precondition for when not to use it is stated.

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