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danielefinocchiaro

unofficial-bambu-mcp

set_height_range

Define a height band on a 3D object using start and end heights in mm from its bottom, then apply per-band settings like infill density, finer layer height, or filament slot; overlapping bands are blocked.

Instructions

Settings for a height band of an object, like Bambu Studio's Height range modifier. Heights are mm from the object's bottom. E.g. z_from=0, z_to=5, settings={"sparse_infill_density": "100%"}; {"layer_height": "0.12"} for finer layers there (variable layer height); {"filament": 2} to print that band with another filament slot (a color band). A band with the same z_from and z_to is updated (null removes a key); bands cannot overlap.

Input Schema

NameRequiredDescriptionDefault
z_toYes
objectYes
z_fromYes
settingsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.4/5.0
Behavior4/5

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

With no annotations, the description carries the full behavioral burden and does well: it gives units, explains update-by-same-z-range semantics, defines null as key removal, and states that bands cannot overlap. It does not mention permission or failure behavior, but the core mutation semantics are disclosed.

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?

The description is dense but efficient: purpose first, then concrete examples, then update/overlap rules. Every sentence contributes actionable information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations and no output schema, the description covers the essential mechanics for a mutation tool with a nested settings object. It is close to complete, though it could say more about accepted settings keys or error conditions when bands overlap.

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

Parameters4/5

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

Schema description coverage is 0%, so the description must compensate. It explains z_from/z_to as mm from the object bottom and gives meaningful settings examples including infill, layer height, filament slot, and null removal; only the object parameter is left implicit.

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 states a specific verb and resource: setting a height band on an object, with an explicit analogy to Bambu Studio's Height range modifier. It is clearly distinguishable from remove_height_range and from general object-setting tools.

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 examples make the intended use clear: per-band infill, variable layer height, and filament/color bands. However, it does not explicitly name when to choose this over add_modifier or set_object_setting, nor does it state when not to use it.

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