WORN Fit
by @arthexai · io.github.arthexai/worn-fit
Tells an AI assistant how a watch fits a given wrist, with a to-scale drawing. Free, no sign-in.
- Category
- Developer tools
- Connection
- Remote (HTTP)
- Tools
- 4 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http worn-fit https://worn.club/mcpClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://worn.club/mcpCursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"worn-fit": {
"url": "https://worn.club/mcp"
}
}
}Tools it offers
4 tools, as the server itself reported during our check on Oct 31, 2026.
fit_watchHow one to three watches fit a wrist of a given size, checked against WORN's catalogue of 46,000 watches (case, thickness, lug width): how far each watch's lugs stop from the edges of the wrist, whether it wears bigger osuggest_sizesThe case diameters and lug-to-lug spans that fit a wrist of a given circumference, and why lug to lug matters more than the case.start_try_onFor a person who does not know their wrist size, or wants to see watches on their own wrist. Makes a link, with a QR code for a computer, that opens on their phone: the back camera measures the wrist in a few seconds witget_try_on_resultThe wrist size the person measured with their phone through a try-on link (start_try_on), the watch they liked best, and how each watch fits that wrist. Says when they have not sent it yet, or when the link has expired.
Questions
What is the WORN Fit MCP server?
Tells an AI assistant how a watch fits a given wrist, with a to-scale drawing. Free, no sign-in. It is made by @arthexai and listed in the official MCP Registry as io.github.arthexai/worn-fit. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add WORN Fit to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://worn.club/mcp. In Claude Code, run: claude mcp add --transport http worn-fit https://worn.club/mcp
How do I add WORN Fit to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://worn.club/mcp.
How do I add WORN Fit to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "worn-fit": { "url": "https://worn.club/mcp" } } }
Does WORN Fit work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can WORN Fit do?
It gives your AI 4 tools, including fit_watch, suggest_sizes, start_try_on, get_try_on_result. The full list is on this page.
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Markdown (GitHub README)
[](https://chen.media/mcp/github-arthexai-worn-fit)HTML (switches to dark mode on its own)
<a href="https://chen.media/mcp/github-arthexai-worn-fit"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/github-arthexai-worn-fit.svg?theme=dark"><img src="https://chen.media/mcp/badge/github-arthexai-worn-fit.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>More in Developer tools
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