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text_to_sound

Convert text descriptions into music or sound using Suno's models. Create a task, check its status, and get output audio URLs for your generated sound.

Instructions

Create a Suno task on RunAPI (text to sound). Returns a task id, status, and output URLs.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
waitNoPoll until the task reaches a terminal status.
modelNoRunAPI model slug for this model line.
promptYesSound description (max 500 characters).
sound_keyNoMusical key.
sound_loopNoWhen true, produce loopable audio. Default false.
timeout_msNo
grab_lyricsNoCapture lyric subtitles. Default false.
sound_tempoNoTempo in BPM (1-300).
callback_urlNoWebhook URL for async notifications.
poll_interval_msNo
Behavior2/5

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

The description indicates a create action (mutation) but offers no details on side effects, required permissions, rate limits, or task lifecycle. With no annotations to compensate, the behavioral disclosure is minimal.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence that states the core action and output. However, it omits important context that would justify its brevity, making it feel under-specified.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 10 parameters, no output schema, and no annotations, the description fails to explain key concepts like task handling, asynchronous behavior, or output structure. It is incomplete for the complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 80%, so the schema already explains most parameters. The tool description adds no additional meaning to the parameters beyond what is in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool creates a Suno task for text-to-sound conversion and lists the return values. However, it does not differentiate this tool from the sibling 'text_to_music', leaving ambiguity about the specific use case.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives like 'text_to_music' or 'blend_lyrics'. The description lacks any context about prerequisites or ideal scenarios.

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

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