Skip to main content
Glama
dwgx

Blender Copilot MCP Server

by dwgx

unity_create_animation_clip

Generate Unity AnimationClip .anim files from JSON blueprints for blend shape animations such as facial expressions and toggles.

Instructions

Generate a Unity AnimationClip .anim file from JSON blueprint. Used for blend shape animations (face tracking, expressions, toggles).

Parameters:

  • project_path: Unity project path

  • clip_json: JSON defining the clip. Format: {"name": "Smile", "length": 0.0, "curves": [ {"path": "Body", "property": "blendShape.jawOpen", "keys": [{"time": 0, "value": 0}, {"time": 1, "value": 100}]}, {"path": "Body", "property": "m_IsActive", "keys": [{"time": 0, "value": 1}]} ]} For single-frame clips (toggles), use length: 0 and one keyframe.

  • output_path: Where to save the .anim file

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
clip_jsonNo
output_pathNoAssets/VRC/Animations/clip.anim
project_pathNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

Without annotations, the description should disclose behavioral traits. It explains the JSON format and output file but omits details like whether existing files are overwritten, required permissions, or error handling. The behavioral transparency 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.

Conciseness4/5

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

The description is relatively concise with two introductory sentences and a JSON example. The example is helpful but takes space; could be slightly more streamlined without losing clarity.

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?

With no required parameters, 0% schema coverage, and no behavioral details from annotations, the description partially completes the context by explaining the JSON format for clip creation. However, it lacks explanation of return values, error states, or post-conditions.

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

Parameters5/5

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

Schema coverage is 0%, so the description must compensate. It describes all three parameters (project_path, clip_json, output_path) and provides an extensive JSON format example, adding significant meaning beyond the bare schema.

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 generates a Unity AnimationClip .anim file from a JSON blueprint, specifically for blend shape animations (face tracking, expressions, toggles). This verb+resource combination is distinct from sibling tools like unity_create_animator or anim_insert_keyframe.

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 mentions it is used for blend shape animations, implying when to use it, but does not explicitly state when not to use it or recommend alternatives. It lacks explicit usage boundaries.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Install Server

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/dwgx/blender-copilot'

If you have feedback or need assistance with the MCP directory API, please join our Discord server