mset

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 fails to disclose behavioral traits such as whether defining a sequence clears previous states, if it triggers playback, or any side effects. The one-line description offers no behavioral context beyond the basic purpose.

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 concise—a single sentence. However, it lacks structure and could be more informative without adding much length. Every word is necessary, but it fails to earn its place by not providing enough useful detail.

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?

Given the tool's complexity (defining a sequence of states for movie playback) and the presence of an output schema (though not detailed), the description does not explain the return value or how the specification parameter is used. It is incomplete for an agent to correctly invoke the 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 only parameter 'specification' (string, required) has no description in the schema or the tool description. With schema coverage at 0%, the description must compensate but does not explain what the string should contain (e.g., file path, command syntax, list of states). The title 'Specification' adds no meaning.

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 'Defines a sequence of states for movie playback' clearly states the verb 'defines' and the resource 'sequence of states', placing it in the movie playback domain. It distinguishes from siblings like mplay (play) and mstop (stop), but 'sequence of states' is somewhat vague without more context.

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?

No guidance on when to use mset versus other movie-related tools (e.g., mplay, mstop). The description does not mention prerequisites, alternatives, or typical usage scenarios, leaving the agent without context for tool selection.

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