What is Unfour?
Unfour is a MCP server by zyqzyq that local-first backend dev workspace: API debugging, SSH, database and diagnostics tools, with scoped safety policies and confirmation for risky actions. It is listed under Other and has 2 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | zyqzyq |
| Repository | zyqzyq/Unfour |
| Popularity | 2 GitHub stars |
| Category | Other |
| Security | Low risk (96/100) |
| Rank | #2,848 of 4,418 MCP servers; #426 in Other |
| License | Apache-2.0 |
| Last commit | 2026-10-16 |
| Runs | Locally |
| Language | Rust |
| Platforms | macOS, Windows |
Is Unfour safe to install?
Unfour scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 5 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| No credentials mentioned | Pass |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install Unfour?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/zyqzyq/Unfour
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add unfour -- <command from README> claude mcp add --transport http unfour <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs Unfour for you:
Add the "Unfour" MCP server from https://github.com/zyqzyq/Unfour to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.