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sattua

Blender MCP Server

by sattua

set_action_loop_mode

Set action cycle mode to REPEAT, CLAMP, or PING_PONG for controlling animation playback behavior.

Instructions

Set action cycle mode: REPEAT, CLAMP, or PING_PONG.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
loop_modeNoREPEAT
action_nameYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations, the description bears full responsibility for behavioral disclosure. It only states the tool sets the mode, but omits side effects (e.g., overwrites existing mode), permission requirements, or what the output indicates. The meaning of each loop mode is not explained.

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 concise sentence, front-loading the action and values. However, it is extremely sparse, missing details that could be included without significant length. Conciseness is good but not balanced with completeness.

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 tool's simplicity (2 parameters, no nested objects, has output schema), the description is incomplete. It lacks information about output, error states, and prerequisites (e.g., action must exist). The output schema exists but is not mentioned.

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%, yet the description adds no parameter explanations beyond the value list. The action_name parameter is not mentioned, and the loop_mode parameter's default and semantics are absent. The description adds minimal value over the 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 verb 'Set' and the resource 'action cycle mode', and lists the three possible values (REPEAT, CLAMP, PING_PONG), making the tool's purpose immediately obvious and distinguishing it from sibling tools.

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?

The description provides no guidance on when to use this tool versus alternatives (e.g., create_action, set_active_action). It does not mention prerequisites like the action must already exist, nor does it explain context or typical use cases.

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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