set_active_take

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

Annotations declare readOnlyHint=false and idempotentHint=true, so the agent knows this is a repeatable mutation. The description adds only a brief gloss of 'active take' and does not disclose permissions, side effects, or what happens to inactive takes, adding minimal behavioral context beyond 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 single sentence is concise, but the trailing 'Args:' is a structural defect that signals missing content and wastes tokens. The purpose is front-loaded, but the dangling marker undermines the structure.

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 mutation tool with three required undocumented parameters and no output schema, the description is far too thin. It states the core operation but omits parameter semantics and operational context needed for correct invocation.

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?

Schema description coverage is 0% for three required integer parameters (track_index, item_index, take_index). The description ends with a dangling 'Args:' and provides no parameter meaning or indexing semantics, so it fails to compensate for the schema gap.

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: 'Set the active take of a media item (which take plays).' This distinguishes it from read-oriented siblings like get_active_take and get_takes, though it does not explicitly name alternatives.

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 this versus get_active_take or other take-management tools. No prerequisites or context are provided, leaving usage entirely inferred.

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