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

Annotations declare readOnlyHint=true and idempotentHint=true; the description is consistent with that and adds the non-obvious fact that the tool 'opens nothing by itself', so the agent knows the actual mutation happens in the browser siblings, not here. It also volunteers the API-read-only constraint as of a dated check, useful context beyond the annotations. It stops short of describing the shape of the returned guidance (length, whether it names URL paths), which would have made it a 5.

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 operative content is front-loaded and correct, but the middle sentence is a run-on that stitches together the return value, the 'opens nothing' caveat, and the handoff to browser tools. The closing sentence about the official API's version and check date is tangential rationale rather than instruction; it explains the tool's existence but costs a full sentence of attention.

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 output schema, the description carries the burden of explaining returns, and it does state that the result is step-by-step guidance over screens, buttons, and fields. It also supplies the missing piece an agent would otherwise guess at: which tool family to call next. Left unstated is where the resulting clip lands and whether the browser flow needs authentication, which keeps it at a 4.

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, so there is nothing for the description to disambiguate beyond what the empty schema already shows. Baseline 4 applies.

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 names a specific verb+resource (create a clip in the user's tl;dv account) and then immediately corrects a likely misreading by stating it returns step-by-step instructions rather than performing the action. That correction is what distinguishes it from the cotlet_browser_* siblings, which it names explicitly. The residual ambiguity is that the name says 'create' while the behavior is advisory, which the description has to spend words undoing.

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?

It gives an explicit workflow: call this first to get the screens/buttons/fields, then execute with cotlet_browser_* in the user's tl;dv Cloud Browser. It also explains why no API alternative exists (the official REST API and MCP server are read-focused), which heads off the obvious 'can I just call the API?' question. No explicit when-not-to-use case is given, keeping it below a 5.

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