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vapagentmedia

VAP Media · Unified MCP Server for AI Agents (Flux · Veo · Suno)

estimate_video_cost

Calculate the cost of generating a video based on duration, resolution, and audio settings.

Instructions

Estimate the cost of a video generation. Cost: $1.96 (P-Video)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
durationNoVideo duration in seconds
generate_audioNoWhether audio will be generated
resolutionNoVideo resolution. 1080p adds +33% cost720p
Behavior2/5

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

No annotations are present, so the description must convey behaviors. It only gives a static cost and does not explain that the tool is read-only or any side effects. The schema provides some cost hints, but the description adds little.

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 very short (two sentences) and front-loads the purpose. However, the second sentence about $1.96 seems unnecessary and could be removed or explained better.

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?

For a simple cost estimator with fully documented schema, the description is fairly complete but lacks explanation of cost variation. The static cost mention contradicts the schema hints, causing 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 description coverage is 100%, so baseline is 3. The description does not add any extra meaning to parameters; it ignores them entirely. No value added beyond 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 estimates the cost of video generation. However, the mention of a static $1.96 cost is potentially misleading given the variable parameters, which slightly reduces clarity.

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 siblings like estimate_cost or estimate_music_cost. There is no mention of prerequisites or contexts where this tool is preferred.

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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