Set song position (beats)

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

The annotations already indicate the tool is idempotent and non-destructive. The description adds only that it 'moves the playhead', which is consistent but does not disclose additional behavioral traits such as whether it stops playback or changes the playhead position retroactively. No contradiction with 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 description is a single, short sentence with no extraneous words. It is front-loaded and efficient, conveying the essential action clearly.

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 simplicity (one parameter, no nested objects), the description is nearly complete. It covers the primary action. However, it is missing notes on range limits or behavior when playback is active, which would have made it fully complete. The presence of an output schema reduces the need to describe return values.

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 input schema fully describes the single parameter 'beats' with a clear description and minimum value. The tool description does not add further semantic detail about the parameter, but high schema coverage (100%) means the schema already handles it adequately.

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 ('Move the playhead') and the resource ('to the given beat position'). The title reinforces the context. It distinguishes from sibling tools like fl_get_song_position (which gets the position) and transport controls (fl_play, fl_stop).

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 provides no guidance on when to use this tool versus alternatives such as fl_toggle_play or fl_get_song_position. It does not specify whether it works during playback or requires a stopped state, nor does it mention any prerequisites.

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