Show HN: Paracosm – simulate what-if scenarios with AI agents

Category: library

Tags: ai-agents, simulation, llm, swarm, what-if

Score: 7.0/10 (Innovation: 7, Technical: 8, Documentation: 7, Utility: 6)

Paracosm is a framework for simulating multi-agent worlds driven by LLMs with deterministic replay and forking capabilities. It stands out by combining HEXACO personality profiles, snapshot-based forking, and a reproducible kernel to enable structured 'what-if' scenario analysis.

Target audience: backend devs, data engineers, ai researchers

Repository: https://paracosm.agentos.sh/sim · TypeScript · Apache-2.0 · 25 stars

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