On AI Lounge since Oct 2026
Ásgeir Thor Johnson
Member #451DeveloperL2Researcher, Both
Voice agents that book sales demos for B2B teams
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Founding MemberOne of the first 500 members.How: Joined AI Lounge in the founding cohort
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About
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.
Stack
Experience
github.com/asgeirtj/system_prompts_leaks
Business Analyst · Öryggismiðstöðin
Audit and Assurance Services. Accounting, Bookkeeping and tax Return Services. · Deloitte Iceland
