# Fusion Toolsmith Mcp > Safety-first, diagnostic, tool-first MCP server for serious agent-assisted Autodesk Fusion 360 CAD work. - **Type:** MCP server - **Install:** `agentstack add mcp-neonn3mesis-fusion-toolsmith-mcp` - **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior - **Seller:** [NeonN3mesis](https://agentstack.voostack.com/s/neonn3mesis) - **Installs:** 0 - **Category:** [Integrations](https://agentstack.voostack.com/c/integrations) - **Latest version:** 0.1.0 - **License:** MIT - **Upstream author:** [NeonN3mesis](https://github.com/NeonN3mesis) - **Source:** https://github.com/NeonN3mesis/fusion-toolsmith-mcp ## Install ```sh agentstack add mcp-neonn3mesis-fusion-toolsmith-mcp ``` Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent. ## About # Fusion Toolsmith MCP Safety-first, diagnostic, tool-first Autodesk Fusion 360 MCP server for serious agent-assisted CAD work. Choose Toolsmith when you want guarded workflows, runtime diagnostics, and structured Fusion tools before raw scripts. Choose a simpler Fusion MCP server when you only need a minimal bridge into Fusion and are comfortable managing safety yourself. ## Quick Start Requirements: Windows, Autodesk Fusion 360, Python 3.9 or newer, and an MCP-capable client. ```powershell git clone https://github.com/NeonN3mesis/fusion-toolsmith-mcp.git cd fusion-toolsmith-mcp python -m pip install -e . fusion-mcp install-addin ``` Start the add-in in Fusion 360: ```text Utilities > Add-Ins > Scripts and Add-Ins > Add-Ins > FusionMCP > Run ``` Verify it: ```powershell fusion-mcp doctor fusion-mcp test-live ``` The installed Fusion add-in folder is named `FusionMCP` for compatibility with existing local installs. The add-in is opt-in by default and does not start automatically with Fusion. ## Client Config After the add-in is running, print client snippets: ```powershell fusion-mcp print-client-config ``` Prefer the Streamable HTTP endpoint with bearer auth when your client supports headers. Legacy SSE/query-token support remains for older clients. FusionMCP writes live discovery data to: ```text C:\Users\\.fusion_mcp.json ``` For Antigravity/Gemini-style config, the add-in auto-syncs: ```text C:\Users\\.gemini\config\mcp_config.json ``` ## Why Toolsmith Generic Fusion MCP servers often expose a raw script bridge. Toolsmith adds a careful CAD workflow around that bridge: - inspect the live model before editing - prefer structured tools before raw Fusion API scripts - preflight model changes and exports - isolate dangerous tools from normal profiles - record a redacted local change journal - diagnose stale installs, missing tools, task backlog, and auth/config issues ## What It Is Good At - Existing-design inspection: sketches, features, parameters, projected geometry, dependencies, selection sets, assemblies, and physical properties. - Safer model mutation: explicit modeling tools, profile-loop operations, insert/socket workflows, validation, and before/after design-state comparisons. - Export and presentation: preflighted STL/STEP/3MF/PDF/Fusion archive exports, multibody 3MF planning, screenshots, viewport staging, and demo capture. - Local runtime hardening: fixed port `9100`, bearer-token support, token-free `/health`, session cleanup, backpressure diagnostics, and stale-source fingerprint checks. ## Common Fix If the server is reachable but tools are missing or old behavior remains after an update, stop and run the `FusionMCP` add-in again from Fusion 360, or restart Fusion. Fusion can keep old Python modules loaded after files are replaced. ## Documentation - [Installation and troubleshooting](docs/installation.md) - [Client configuration](docs/client-config.md) - [Features and tool profiles](docs/features.md) - [Safety model](docs/safety-model.md) - [Development and releases](docs/development.md) - [Mock payload examples](docs/mock-payload-examples.md) - [Tooling roadmap](docs/tooling-roadmap.md) - [External Fusion MCP comparison notes](docs/external-fusion-mcp-sweep.md) - [Starter prompts](examples/prompts.md) ## Development ```powershell python -m unittest discover -s tests fusion-mcp dump-schemas --output dist\mcp-schemas.json fusion-mcp package-addin ``` GitHub Actions runs the unit suite, checks the no-Fusion mock/schema surfaces, and builds the add-in ZIP on pushes and pull requests. ## License MIT. See [LICENSE](LICENSE). ## Source & license This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code. - **Author:** [NeonN3mesis](https://github.com/NeonN3mesis) - **Source:** [NeonN3mesis/fusion-toolsmith-mcp](https://github.com/NeonN3mesis/fusion-toolsmith-mcp) - **License:** MIT Install and usage instructions live in the source repository linked above. ## Pricing - **Free** — Free ## Security capabilities Automated source analysis of v0.1.0 — what this tool can access: - **Network access:** no - **Filesystem access:** no - **Shell / process execution:** no - **Environment & secrets:** no - **Dynamic code execution:** no *"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.* ## Versions - **0.1.0** — security scan: passed — Imported from the upstream source. ## Links - Listing page: https://agentstack.voostack.com/l/mcp-neonn3mesis-fusion-toolsmith-mcp - Seller: https://agentstack.voostack.com/s/neonn3mesis - Browse the marketplace: https://agentstack.voostack.com/browse --- Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.