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insert_blend_bool_fire_before_slot

Inserts a bool-driven blend between locomotion and an AnimGraph slot, with a sequence asset (e.g., fire) on true and locomotion on false. Binds a boolean variable (default bIsShooting) to trigger the sequence.

Instructions

Insert Blend List By Bool + Sequence Player between locomotion and the AnimGraph Slot (requires insert_anim_graph_slot first: Root ← Slot ← …).

Locomotion feeds the false branch; sequence_asset (e.g. fire rifle) feeds the true branch. bind_bool_variable (default bIsShooting) auto-binds Active Value when the editor plugin supports it. force_insert=True layers a NEW BlendListByBool above an existing one (chain multiple gates, e.g. bIsInAir → jump on top of bIsShooting → fire). Default rebinds the existing node instead.

KB: see knowledge_base/05_ANIMATION_SYSTEM.md#overview Example: insert_blend_bool_fire_before_slot(anim_blueprint_name="/Game/MCP_Test/BP_Example", sequence_asset="/Game/MCP_Test/Example")

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
graph_nameNo
force_insertNo
sequence_assetYes
bind_bool_variableNobIsShooting
anim_blueprint_nameYes
swap_blend_pose_orderNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.9/5.0
Behavior4/5

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

With no annotations provided, the description carries the full burden. It discloses key behaviors: the auto-binding of bind_bool_variable when supported, the difference between force_insert (layers new node) and default (rebinds existing), and the branch feeding. It also notes the prerequisite for insert_anim_graph_slot. However, it does not mention potential side effects like compilation, reversibility, or failure modes, which would strengthen transparency.

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 dense but well-structured with formatting (bold, code, example). It front-loads the main purpose, then provides prerequisites, parameter behavior, and a concrete example. Every sentence adds useful information, though it could be slightly tightened. The use of a KB reference and example is effective for an expert audience.

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?

Given the complexity and absence of annotations, the description covers the main usage, prerequisites, and key parameter behaviors. It references a knowledge base for further context. However, the omission of two parameters and lack of error/edge-case information makes it incomplete. The presence of an output schema mitigates the need to describe return values, but the parameter gaps remain a weakness.

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%, so the description must document all parameters. It explains sequence_asset (feeds true branch), bind_bool_variable (default bIsShooting, auto-binds), and force_insert (layers new node). However, graph_name and swap_blend_pose_order are entirely unexplained, and anim_blueprint_name is only shown in the example. This is a significant gap given the 0% 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 clearly states the action: inserts a Blend List By Bool and Sequence Player between locomotion and the AnimGraph Slot. It names the specific components and the required target location, distinguishing it from generic node insertion tools. The prerequisite reference to insert_anim_graph_slot further clarifies its specific role in the animation graph pipeline.

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?

The description gives explicit prerequisites (requires insert_anim_graph_slot first) and explains the intended flow (locomotion to false branch, sequence_asset to true branch). It explains the behavior of force_insert for chaining gates, but does not explicitly mention alternative tools or when not to use this tool. The context is sufficient for a domain expert to select it appropriately.

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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