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Fusion360 Live MCP

Fusion360 Live MCP

by tbrito88
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

Generate Toolpath

cam_generate_toolpath

Generate CAM toolpaths for a specific operation or all operations in a setup, so users can prepare machining paths for CNC output.

Instructions

Generate toolpaths for a specific operation or all operations in a setup

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "cam_generate_toolpath"
  }
}

Input Schema

NameRequiredDescriptionDefault
setup_nameNoSetup name (generates all its operations)
generate_allNoGenerate all toolpaths
operation_nameNoSpecific operation name. Requires setup_name too — does not stand alone

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.1/5.0
Behavior2/5

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

With annotations already covering the safety profile (not read-only, not idempotent, not destructive), the description adds no behavioral context beyond restating what the schema parameters already say. It does not disclose computational cost, side effects on the CAM setup, or prerequisites for successful generation.

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 a single front-loaded sentence with no wasted words. It immediately states the action and its scope.

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 100% schema coverage and present annotations, the description is minimally adequate. However, it omits any usage context, prerequisites, or behavioral implications for a CAM mutation tool. With no output schema, it need not explain return values, but it could do more to orient an agent.

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 description coverage is 100%, so the schema already fully documents setup_name, generate_all, and operation_name. The description's phrase 'specific operation or all operations in a setup' aligns with those parameters but adds no syntax or constraints beyond what the schema provides. Baseline 3 is appropriate.

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?

The description states a specific verb and resource: generate toolpaths for a specific operation or all operations in a setup. It is clear what the tool does, though it does not explicitly differentiate itself from sibling CAM tools like cam_create_operation or cam_post_process.

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 implies the basic use case (generate toolpaths for an operation or setup) but gives no explicit guidance on when to use this tool versus alternatives such as cam_create_operation or cam_post_process. No prerequisites or exclusions are stated.

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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