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pause_print

Pauses a running Bambu Lab 3D print, optionally targeting a specific printer by ID. Use it to halt fabrication safely before resuming, stopping, or servicing.

Instructions

Pause the running print.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
printer_idNoPrinter id; may be omitted when only one printer is configured

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden and largely fails it. It does not say whether the paused state is retained for resume_print, whether the tool errors when no print is active, or what permission is needed. 'Pause' vs 'stop' semantics (reversible vs terminal) are left for the agent to guess.

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?

A single short sentence with no wasted words, front-loading the action. It is efficient but thin, so it does not earn a 5.

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?

For a one-optional-parameter action tool with no output schema and no annotations, the description is minimally viable. It omits the resume relationship and error conditions that would matter when an agent is choosing between pause_print, stop_print, and resume_print.

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

Parameters3/5

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

Schema coverage is 100% and the single printer_id parameter is already documented, including the note that it may be omitted when only one printer is configured. The description adds nothing beyond that, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (pause) and resource (the running print), so the action is immediately clear. It does not, however, differentiate itself from the closely related siblings resume_print and stop_print, which is the only thing keeping it from a 5.

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?

There is no guidance on when to prefer pause over stop_print or resume_print, nor any prerequisite context (e.g., that a print must be actively running). The agent must infer the usage scenario entirely from the tool name.

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