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render_flipbook

Render a flipbook sequence from the Houdini viewport. Pass allow_dangerous=True to proceed past a known connection crash.

Instructions

Render a flipbook sequence from the viewport. WARNING: known to crash the MCP connection (WinError 10054). Pass allow_dangerous=True to proceed.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
outputNo
resolutionNo
frame_rangeNo
allow_dangerousNo
Behavior4/5

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

With no annotations provided, the description carries the burden of behavioral disclosure. It openly warns of a known crash (WinError 10054) and explains the require flag to proceed. This is significant and truthful transparency about a critical side effect, though it does not mention other behaviors like output handling.

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?

Two sentences, front-loaded with the tool's purpose and immediately followed by a critical warning. Every word earns its place, with no unnecessary detail or repetition.

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 lack of annotations and output schema, the description is too sparse. It does not explain what the return value looks like, what the output parameter should contain (file path? pattern?), or the expected format of resolution and frame_range. The warning is valuable but leaves most usage context missing.

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

Parameters2/5

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

Schema description coverage is 0% for 4 parameters, so the description must compensate. It only addresses allow_dangerous by linking it to the crash warning. The meanings of output, resolution, and frame_range are left entirely to inference from their names, with no format or default clarification. This is insufficient for safe use.

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 ('Render') and resource ('flipbook sequence from the viewport'), clearly distinguishing it from sibling render tools like render_single_view or render_specific_camera. The purpose is unambiguous and immediately understandable.

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

Usage Guidelines3/5

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

The description implies this tool is for rendering viewport flipbooks but does not explicitly state when to use it over alternatives (e.g., start_render for final renders). It does provide a usage prerequisite: 'Pass allow_dangerous=True to proceed,' which is helpful, but lacks explicit alternative guidance.

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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