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Test Your Business Idea in a Simulation

A setup guide for MiroFish, the open-source engine where simulated people react to your pitch, plus a workflow that turns their objections into questions for real customers.

0 €

Enter your email. You get a 6-digit code, then the download starts.

Node 18+, Python 3.11–3.12 with uv or Docker, an LLM API key in OpenAI format and a Zep Cloud key (usage is billed and can be high). Fully local option with Ollama needs a strong computer.

What you get

  • Honest framing What a simulation can tell you, and why it is not market research.
  • Install Source or Docker, the four keys, language switch.
  • Privacy Where your pitch goes, and the fully local fork.
  • 6-step workflow One-page seed, one question, small run, agent interviews, objection list, five real talks.
  • 2 templates Seed template and objections sheet.

In three steps

  1. Unzip and open the guide PDF. Decide first whether your idea is confidential.
  2. Install MiroFish (or the local fork) with the commands from the guide, then fill in seed-template.md.
  3. Or paste INSTALL-WITH-CLAUDE.md into Claude Code and let it set things up step by step.

Fabian Faraz Farid · All links