Tech Startup Mentor is a GPT developed by Sandro Gvelesiani. Its primary purpose is to provide actionable advice to startup founders. This tool can form part of a startup founder's journey; specifically, it is designed to assist in various aspects of building and growing a startup. The GPT prompts have been introduced to facilitate concrete conversations that founders may encounter during the setup and growth phase of a startup. Some of these prompts include guidance on achieving Product Market Fit (PMF), discussing what to focus on first when building a startup, strategizing on acquiring the first customers, and crystallizing a go-to-market strategy. This GPT can potentially serve as an invaluable tool for startup founders looking for actionable guidance and direction along their founder's journey. However, It is noteworthy to mention that the effectiveness of this GPT can be amplified when used in combination with real-time mentorship and practical experience. Nonetheless, the Tech Startup Mentor GPT can potentially provide solid ground for startup founders in their conception and execution phase and beyond.