Use Yarn Length Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Estimate yarn length for knitting and crochet projects.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Yarn Length Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with Yarn Length Calculator.
01-03
3 capabilities in this set.
Part of 3 available through Yarn Length Calculator.
- 01
Calculate single segment usage
Calculate usage for one segment
- 02
Get yarn weight catalog
Get the yarn weight catalog
- 03
Calculate multi color project summary
Calculate summary for multiple segments
Observed, not estimated
676ms average. Fast in production.
Yarn Length Calculator is checked daily against the live service.
- Fastest day
- 547ms
- Slowest day
- 928ms
- 14-day trend
- Slowing+22%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Yarn Length Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Yarn Length Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Yarn Length Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_wam14oesMFUGmQeSeqARdSmMpY7hoZt8vVVtir5x/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Yarn Length Calculator capabilities are ready to use.
{
"mcpServers": {
"yarn-length-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_wam14oesMFUGmQeSeqARdSmMpY7hoZt8vVVtir5x/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Yarn Length Calculator owners ask.
- 01
How do I calculate yarn for a project with multiple colors?
You can use the calculate_multi_color_project_summary capability. Simply provide a JSON array containing the details for each color segment, including dimensions and yarn weight.
- 02
What yarn weights are supported?
The capability supports lace, fingering, sport, dk, worsted, bulky, and super bulky. You can retrieve the exact consumption constants using get_yarn_weight_catalog.
- 03
Does it account for pattern repeats?
Yes. By providing stitch width and height multiples, the calculator adjusts your dimensions to the nearest valid pattern repeat.
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