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2234839

Martin MCP Toolbox

by 2234839

pollinations_generate_audio

Turn text into speech audio using Pollinations.AI API, with options for voice and model selection.

Instructions

Generate speech audio from text using Pollinations.AI API

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
modelNoModel for audio generation (default: openai-audio)
voiceNoVoice to use for synthesis (default: alloy)
promptYesText to synthesize into speech
Behavior2/5

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

With no annotations provided, the description carries full behavioral burden. It states the external API usage but fails to disclose return format, rate limits, authentication needs, or any side effects beyond generation, leaving the agent without critical operational details.

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?

A single, front-loaded sentence that efficiently states the tool's action and API. No wasted words.

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?

The tool is simple and the schema is thorough, but the absence of an output schema and annotations means the description should clarify what the agent receives (audio URL, file, etc.). It doesn't, leaving a gap in operational completeness.

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 covers all 3 parameters with descriptions and defaults. The description doesn't add extra parameter semantics beyond linking 'text' to the prompt parameter, which is sufficient given high schema coverage.

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 uses a specific verb ('Generate'), identifies the resource ('speech audio from text'), and names the API ('Pollinations.AI'), clearly distinguishing it from sibling image/text generation tools.

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

Usage Guidelines4/5

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

It clearly indicates the tool is for text-to-speech generation, providing enough context for selection. However, it doesn't mention exclusions or explicitly reference alternatives like generate_image or pollinations_generate_text.

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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