Copies a prompt with your numbers, then opens Claude — paste it in.
Works as an MCP connector in Claude, ChatGPT, Grok, and Perplexity. Do this once and your assistant can calculate runway, breakeven, and burn multiple anytime — no copy-pasting into this page.
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Copy this URL
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2
Add it as a custom connector
In Claude: Settings → Connectors → Add custom connector. In ChatGPT: Settings → Connectors → Add. In Grok or Perplexity, look for "Connectors" or "Tools" in settings. Paste the URL — no login or API key needed.
3
Say "runwayleft" in your question
Some assistants do the math themselves instead of calling the tool. Naming it makes sure it uses the live calculator, not guesswork.
use runwayleft to check my burn multiple: $100k net new ARR, $180k net burn