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Researcher, Both
Voice agents that book sales demos for B2B teams
Ásgeir Thor Johnson is a researcher and developer based in Hafnarfjordur, Iceland, working on voice agents that book sales demos for B2B teams. He is known for maintaining system_prompts_leaks, a public GitHub repository of documented system prompts from Anthropic, OpenAI, Google and xAI products, which has more than 69,000 stars. Ásgeir builds with Claude, Gemini, ChatGPT, Claude Code and Codex.
