Why this matters: Marcus uses your answers to give specific advice from the very first message — not a generic framework. Founders who complete both steps get 3× more actionable sessions.
One more step — the most important one
Marcus remembers this across every session
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Add your API key to start
GhostCoach uses the Anthropic API to power Marcus. Add your API key below — it stays in your browser and is never stored anywhere.
Get a key at console.anthropic.com → API Keys → Create Key. Add $5 credit to get started.
Your key is stored in sessionStorage and cleared when you close the tab.
GhostCoach
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👋 Setting up your session
Marcus is loading your profile and will open with a personalised first message.
Enter to send · Shift+Enter for new line
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Session saved
Marcus is writing your session summary. You'll receive a recap email within a few minutes.