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valentinlutun-cmd

Voicebox MCP (Full)

voicebox_refine_capture

Improves transcript accuracy by applying optional refinement instructions to an existing capture.

Instructions

Refine a capture's transcript using an LLM for better accuracy.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
promptNoOptional refinement instruction (e.g. "fix punctuation").
capture_idYesThe capture ID.

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 carries full burden for behavioral disclosure. It states the tool uses an LLM to refine, but does not indicate if this modifies the original capture, requires specific models, or is destructive. The minimal description lacks essential behavioral context.

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 sentence that efficiently communicates the core purpose. It is concise and front-loaded, but could be more informative without losing conciseness.

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?

An output schema exists, so return values need not be explained. However, the description lacks context on required conditions (e.g., capture must exist, LLM must be available) and does not clarify whether the operation is synchronous or asynchronous. It is adequate but leaves gaps.

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 all parameters are already described in the schema. The description does not add meaning beyond the schema; for example, it does not explain how the prompt parameter influences refinement. Baseline 3 is appropriate since schema covers the parameters.

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 action (refine a capture's transcript) and the method (using an LLM for better accuracy). It specifies the resource (capture's transcript) and the verb (refine). However, it does not differentiate from sibling tools like voicebox_retranscribe_capture, which may also modify transcripts.

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. For example, it does not explain scenarios where refinement is preferred over retranscription, nor does it mention any constraints or prerequisites.

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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