onsystem alternatives

1

Dembrandt

by dembrandt

B

Design tokens from any live site: colours, type, spacing, components, drift against a baseline.

2

melta UI

by tsubotax

A

AI-Ready design system MCP: melta UI tokens, component contracts, 107 rules, check_html self-verify

3

TypeUI

by bergside

A

Design systems, UI prompts, and layout variations for AI coding tools.

4

Buoy

by ahoybuoy

A

Design tokens and drift checks for coding agents: use the token, not the hardcoded value.

5

Raven

by ravenmcp.ai

B

Design intelligence for coding agents: audits, design systems, and a taste profile agents consult.

6

Mimic AI

by miapre

A

Builds Figma from your design system: real components and tokens, enforced, learning every build.

7

Mlola UI

by mlolahq

A

Mlola UI components, tokens and design rules for coding agents, with a markup checker

8

Better Design

by marvkr

A

A design harness for AI coding agents: design systems, design principles, icons and UI review.

9

HTML to Figma — Design System

by miapre

A

Translate HTML prototypes into Figma using your design system's real components and tokens.

10

memi

by sarveshsea

A

Memi is the read-only design engineering audit and skill layer for coding agents.

11

Uizze

by uizze

A

UI design that stands out. Full-screen UI references and design materials for coding agents.

12

Open Design

by feimacode

B

Design skills, design systems and artifact tools: landing pages, decks, prototypes, posters, more.

13

Agentic Design System

by aa-on-ai

A

Render web and SwiftUI evidence, run explicit visual judgment, and trace ADS UI decisions.

14

Designesy

by LE-VAI

A

Score any URL against a real design contract — 44 checks, A-F grade, token + motion validation.

15

Figma MCP Server

by mcp.figma.com

A

The Figma MCP server brings Figma design context directly into your AI workflow.

16

Figma UI

by TranHoaiHung

A

Bidirectional Figma MCP — AI draws UI on Figma canvas, reads designs back

17

KiCad MCP Pro

by oaslananka

A

Production-grade MCP server for KiCad EDA—PCB design, DRC, simulation, BOM, DFM, and manufacturing.

18

Codesign

by img.ly

A

Local design engine for AI agents: create, edit and export real, editable designs.

19

EasyEDA Copilot

by biosshot

A

Connect MCP clients to EasyEDA Desktop for schematic and PCB design, routing, inspection, and DRC.

20

Kiln

by codeofaxel

B

Kiln MCP server for agents: design, slice, print, monitor, and recover physical objects safely.

21

Designer Skill

by PyModel

A

UI design MCP: design references, intent routing, anti-slop static detector and gate. No API key.

22

memi

by memi-design

A

Memi is the design layer for agentic AI.

23

YouTube Data

by kirbah

B

YouTube MCP server for token-optimized, structured data using the YouTube Data API v3.

24

Network Sketcher (Local MCP)

by cisco-open

B

AI-native MCP server to design and manage Cisco network diagrams (L1/L2/L3, PPT/SVG) from LLMs.