safes · External

YC Safe Mfn

Y Combinator's Post-Money SAFE (Simple Agreement for Future Equity) with a most favored nation (MFN) provision, no valuation cap, and no discount.

10 fields CC-BY-ND-4.0 Source: Y Combinator

Fill this template

Just ask Claude — no installation required:

Fill the yc-safe-mfn template for my company

npx -y open-agreements@latest fill yc-safe-mfn -d values.json -o output.docx

Add to your MCP config for zero-install access to all templates:

{
  "mcpServers": {
    "open-agreements": {
      "url": "https://openagreements.ai/api/mcp"
    }
  }
}

Field	Type	Description
`company_name`	string	Full legal name of the company
`investor_name`	string	Full legal name of the investor
`purchase_amount`	string	Dollar amount of the investment (e.g., "100,000")
`date_of_safe`	date	Date the SAFE is executed
`state_of_incorporation`	string	State where the company is incorporated (e.g., "Delaware")
`governing_law_jurisdiction`	string	State whose laws govern the agreement (e.g., "Delaware")
`company`	string	Company name as used in the signature block (typically matches company_name)
`company_name_caps`	string	Company name in uppercase as used in the header (e.g., "ACME INC.")
`name`	string	Name of the company signatory
`title`	string	Title of the company signatory (e.g., "CEO")