safes · External

YC Safe Pro Rata Side Letter

Y Combinator's Pro Rata Side Letter, granting the investor pro rata rights in connection with a Post-Money SAFE investment.

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

Fill this template

Just ask Claude — no installation required:

Fill the yc-safe-pro-rata-side-letter template for my company

npx -y open-agreements@latest fill yc-safe-pro-rata-side-letter -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
`date_of_safe`	date	Date of the related SAFE agreement
`company_name_caps`	string	Company name in uppercase as used in the header (e.g., "ACME INC.")
`investor_name_caps`	string	Investor name in uppercase as used in the header (e.g., "JANE DOE")
`name`	string	Name of the company signatory
`title`	string	Title of the company signatory (e.g., "CEO")