stop_all_clips

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

No annotations are provided, so the description carries the full burden. It adequately describes the action but does not disclose additional behaviors like whether clip positions reset or if playback continues after stopping clips. For a simple action, this is adequate but not thorough.

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 sentence that is front-loaded and contains no redundant words. It efficiently conveys the tool's purpose.

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?

The tool has no output schema and minimal description. While the function is simple, the description lacks information about return values, side effects, or success/failure indicators. It is sufficient for a trivial action but not fully complete.

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 schema has one required parameter (ctx) with 0% description coverage. The description does not explain the ctx parameter at all, nor does it add any meaning beyond what is in the schema. Despite ctx being a standard injected parameter, the description fails to compensate for the low 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 action ('Stop all currently playing clips') and the resource ('clips across the session'). It effectively distinguishes from sibling tools like stop_clip (stops a single clip) and stop_playback (stops overall transport).

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 implicitly conveys when to use this tool: when you want to stop all playing clips at once. While it doesn't explicitly contrast with alternatives, the context is clear. No exclusions or prerequisites are mentioned, but the scenario is straightforward.

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