What is primitiv?
primitiv is a MCP server by AI-by-design that local-first design contract layer: scans Figma, code, Storybook and token files, reconciles conflicts and serves a single source of truth for design rules. It is listed under Developer tools and has 21 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | AI-by-design |
| Repository | AI-by-design/primitiv |
| Popularity | 21 GitHub stars |
| Category | Developer tools |
| Security | Low risk (92/100) |
| Rank | #1,285 of 4,418 MCP servers; #309 in Developer tools |
| Last commit | 2026-10-14 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is primitiv safe to install?
primitiv scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 4 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 |
| Needs an API key or account login | Note |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install primitiv?
- 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/AI-by-design/primitiv
- 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 primitiv -- <command from README> claude mcp add --transport http primitiv <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 primitiv for you:
Add the "primitiv" MCP server from https://github.com/AI-by-design/primitiv 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.