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valentinlutun-cmd

Voicebox MCP (Full)

voicebox_wait_for_generation

Poll a generation job until it finishes, using the provided generation ID. Allows setting a timeout to cap wait duration.

Instructions

Wait for a generation to complete, polling until done.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
timeoutNoMax seconds to wait (0 = use default 120s).
generation_idYesThe generation ID returned by generate/speak.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

With no annotations, the description must fully disclose behavior. It mentions polling but omits critical details like timeout behavior (whether it returns an error or status on timeout) and default timeout (120s from schema). The polling mechanism alone is insufficient.

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

Conciseness5/5

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

The description is a single sentence with no filler words. It is maximally concise while conveying the core action.

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

Completeness3/5

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

Given the simple polling function and the presence of an output schema, the description is minimally adequate but lacks explanation of timeout consequences or return value shape. It covers the essentials but leaves room for agent confusion.

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 coverage is 100%, so the baseline is 3. The description adds no additional meaning beyond the schema's parameter descriptions. The timeout parameter's default behavior is documented in the schema but not elaborated here.

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

Purpose5/5

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

The description clearly states the tool's purpose: 'Wait for a generation to complete, polling until done.' It uses a specific verb ('wait') and resource ('generation'), and the polling aspect distinguishes it from mere status-checking tools like voicebox_get_generation_status.

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

Usage Guidelines2/5

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. It does not mention prerequisites, exclusions, or alternatives like voicebox_get_generation_status or voicebox_cancel_generation. Usage is only implied.

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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