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fusion-toolsmith-mcp: Skill for Claude Code

.agents/skills/fusion360_mcp_mastery/SKILL.md

fusion360-mcp-mastery is a skill for Claude Code, Codex from NeonN3mesis/fusion-toolsmith-mcp. It costs 34 tokens per session (690 once invoked), scanned A, original, MIT.

A workflow guide for using Fusion 360, Autodesk’s computer-aided design tool, through MCP servers. It covers design inspection, parametric changes, measurements, validation, screenshots, and exports.

In plain words
What is it for?
Inspecting assemblies, editing parameters and features, measuring parts, validating models, capturing views, and exporting design files.
Why use it?
It gives an assistant a structured process for understanding and changing Fusion 360 designs safely.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is NeonN3mesis/fusion-toolsmith-mcp's own configuration. It tells Claude Code and Codex how to work on fusion-toolsmith-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything fusion-toolsmith-mcp configures →

not rated 1repo 2mo ago A scan 34 tokens original MIT
View source ↗ NeonN3mesis/fusion-toolsmith-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to NeonN3mesis/fusion-toolsmith-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/NeonN3mesis/fusion-toolsmith-mcp/main/.agents/skills/fusion360_mcp_mastery/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/NeonN3mesis/fusion-toolsmith-mcp

Made for: Claude Code, Codex.

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Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 690 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00034 $0.00690
Opus 5.5 $0.00014 $0.00276
Sonnet 5.5 $0.00007 $0.00138
Haiku 4.5 $0.00003 $0.00069

Measured 2mo ago against content hash 38dc52df9493, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

fusion360-mcp-mastery scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/fusion360_mcp_mastery/SKILL.md · 51 lines

How it starts

The opening of the file, as written. The whole thing — 51 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fusion 360 MCP Server Mastery

When assisting a user with Fusion 360 design tasks, follow these guidelines and workflows using the available MCP servers.

Available Servers and Tools

1. High-Level Server (fusion-mcp)

Provides structured, parametric operations and design state inspection.

  • Inspection & Resources: inspect_design, get_assembly_tree, fusion://design/summary, fusion://design/parameters
  • Parametric Operations: create_parametric_feature, modify_parameters, set_parameter, get_parameter
  • Utilities: capture_view, validate_model, measure_entity, undo_last_action, export_asset, prompt_user
  • Selection: query_selection, get_current_selection

2. Low-Level Server (autodesk-fusion-mcp)

Provides raw API access and documentation.

  • Scripting: execute_api_script (Use only when high-level tools are insufficient)
  • Docs & Guidelines: get_api_documentation, get_best_practices
  • Visualization: get_screenshot

Standard Operating Procedure

  1. Understand the Context:

    • Call inspect_design or read fusion://design/summary to understand the current units, root component, and timeline health.
    • Call get_assembly_tree to see the structure.
    • If the request is complex, call get_best_practices or get_api_documentation to ensure your approach is correct.

  2. Visual Verification (Before):

    • Call capture_view (from fusion-mcp) or get_screenshot (from autodesk-fusion-mcp) to visually understand the model state.

  3. Execution:

    • Prefer High-Level Tools: Use create_parametric_feature, modify_parameters, etc. for robust, parametric design.
    • Fallback to Scripting: If you must use execute_api_script or run_fusion_script, ensure your script defines a run(context) function, does NOT use UI message boxes, and prints results to stdout. DO NOT catch exceptions unless explicitly ignoring them.
    • Coordinate System: Remember Y is UP (Height), X is Width, Z is Depth.
    • Naming: ALWAYS name bodies immediately after creation.

Read the full file on GitHub · 51 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 51 lines · 34 tokens per session scan A 38dc52df9493

Subscribe to this mod's changes

fusion360-mcp-mastery is a skill published in the GitHub repository NeonN3mesis/fusion-toolsmith-mcp (1 stars, last pushed 2mo ago), licensed MIT. It adds 34 tokens to every session and 690 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

3d-printingDesign and UXautodesk-fusionautomationcadfusion-360fusion-api
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