Smart home and IoT · MCP server
Ugs MCP: MCP server, setup and security
Ugs MCP is an open-source MCP server published on GitHub that lets an AI agent control CNC operations and inspect toolpaths with confirmed machine movements. Its repository has 6 stars and its last commit is from June 12, 2026 and it is licensed under MIT.
| Adoption (stars) | 8/40 | |
|---|---|---|
| Maintenance | 18/30 | |
| Framework (licence, registry, official) | 20/30 |
What Ugs MCP does
According to its repository: “CNC control via Universal G-code Sender (GRBL): jog, home, run G-code files, inspect toolpaths and estimate cycle times, with two-step motion confirmation.”
The Model Context Protocol (MCP) is a standard plug between an AI agent and an outside service: once the server is connected, its tools show up in the agent, which decides when to call them. Ugs MCP is listed under Smart home and IoT, a category of 34 servers in the directory, where it ranks #32 by stars.
Topics declared by the repository: claude, cnc, gcode, grbl, cncmilling, universal-gcode-sender.
Installing and connecting Ugs MCP
Distribution modes declared in the official MCP registry:
- PyPI package (Python, started with
uvxorpip)
It works with any MCP-compatible client (Claude Desktop, Claude Code, Cursor, VS Code, Codex and most recent agents). You add one entry to the client's MCP configuration: server name, start command or URL, environment variables. Project language: Python. Listed systems: macOS.
Security: what to check
Connecting an MCP server means installing software that talks straight to your agent: it runs with your rights and the model trusts its tool descriptions. The risk therefore depends on what it can touch and how far its code can be trusted.
None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Ugs MCP. That does not replace reading the code.
Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.
Project activity and maintenance
Created on May 30, 2026, the zackpeters93/ugs-mcp repository has 6 stars and 1 forks, with 0 open issues. It has more stars than 17% of the servers in the directory. Last change 4 months ago. Version published in the registry: 0.1.1 (June 5, 2026).
Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.
Verdict
Ugs MCP is still a modest project: read its code and compare it with the alternatives before using it.
Strengths
- Listed in the official MCP registry
- Permissive licence (MIT)
Limitations
- Few visible users
Alternatives
- Ha MCP5.2K ★
- Stack chan1.8K ★
- Bagel399 ★
- Tapo MCP863 ★
- Kiln219 ★
- Bambu Printer MCP233 ★
Learn more
Frequently asked questions
How do I install Ugs MCP?
Ugs MCP is distributed as PyPI package (Python, started with uvx or pip). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of zackpeters93/ugs-mcp.
Is Ugs MCP free?
The code is published under the MIT licence and can be used free of charge.
Is Ugs MCP safe?
No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.
Is it an official server?
Nothing says so: it is a project published by zackpeters93 on GitHub. Check who maintains it before giving it access.
What are the alternatives to Ugs MCP?
In the same category: Ha MCP, Stack chan, Bagel, and Tapo MCP. Ha MCP and Stack chan score higher on our grid.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score