Cash runway, breakeven, and burn multiple calculator. Free, no login. MCP connector.

🛠️ Key Features

ToolCount: 3
MCP connector for integration
Free, no login required

🚀 Use Cases

Calculate cash runway and breakeven points
Monitor burn rate across multiple scenarios
Quick, accessible financial planning without authentication

⚡ Developer Benefits

Lightweight server data for quick integration
Clear, minimal description and purpose
Easy to index for SEO and cataloging

⚠️ Limitations

Limited to three tools
Focused on basic runway and burn calculations
No authentication, suitable for read-only usage

{ "type": "object", "properties": { "cash": { "type": "number", "description": "Cash currently in the bank" }, "monthly_burn": { "type": "number", "description": "Net cash burned per month" }, "currency": { "type": "string", "description": "Currency symbol, e.g. $ or €", "default": "$" } }, "required": [ "cash", "monthly_burn" ] }

{ "type": "object", "properties": { "fixed_costs": { "type": "number", "description": "Total fixed costs per month" }, "gross_margin_percent": { "type": "number", "description": "Gross margin as a percentage, e.g. 70 for 70%" }, "currency": { "type": "string", "default": "$" } }, "required": [ "fixed_costs", "gross_margin_percent" ] }

{ "type": "object", "properties": { "net_new_arr": { "type": "number", "description": "Net new ARR added over the period" }, "net_burn": { "type": "number", "description": "Net cash burned over the same period" } }, "required": [ "net_new_arr", "net_burn" ] }

Install

Tools (3)

calculate_runwaycalculate_breakevencalculate_burn_multiple

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://runwayleft.netlify.app/.netlify/functions/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "runwayleft": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://runwayleft.netlify.app/.netlify/functions/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

cash	number	required	Cash currently in the bank
monthly_burn	number	required	Net cash burned per month
currency	string	optional	Currency symbol, e.g. $ or €

fixed_costs	number	required	Total fixed costs per month
gross_margin_percent	number	required	Gross margin as a percentage, e.g. 70 for 70%
currency	string	optional

net_new_arr	number	required	Net new ARR added over the period
net_burn	number	required	Net cash burned over the same period