How does this tool handle YC's standard terms?

The `get_yc_equity_breakdown` tool is designed to model the standard $500,000 investment, splitting it into the fixed equity portion and the SAFE portion.

Can I simulate Series A dilution?

Yes, you can use `project_series_a_dilution` to calculate how much ownership remains after a new funding round is completed.

What is the purpose of comparing scenarios?

The `compare_deal_scenarios` tool allows you to see how different valuation caps change the effective valuation and equity percentage.

Y Combinator Deal Economics Calculator MCP Connector for Claude

A+

Calculate YC equity stakes, dilution, and deal scenarios.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides tools to model Y Combinator deal economics. Use get_yc_equity_breakdown to determine immediate equity stakes, project_series_a_dilution to forecast ownership after a Series A round, and compare_deal_scenarios to evaluate how different valuation caps impact final ownership. It accounts for standard YC terms including the $500k investment structure and MFN provisions.

ycombinatorequitydilutionsafevaluation

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_vitvz5SOGIYaeJvak5meCkSGZQ62dBpc2FZkvjdL/mcp

② Claude Code (terminal)

claude mcp add --transport http y-combinator-deal-economics-calculator https://edge.vinkius.com/vk_preview_vitvz5SOGIYaeJvak5meCkSGZQ62dBpc2FZkvjdL/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "y-combinator-deal-economics-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_vitvz5SOGIYaeJvak5meCkSGZQ62dBpc2FZkvjdL/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.