Show HN: Harness Corp – An incremental game powered by a local LLM using WebGPU

Category: ai-ml

Tags: webgpu, local-llm, incremental-game, browser, model-harness

Score: 6.7/10 (Innovation: 8, Technical: 8, Documentation: 4, Utility: 4)

Harness Corp is a browser-based incremental game that simulates building and upgrading an AI model harness, using a real Qwen3-0.6B model running locally over WebGPU. It cleverly demonstrates how structured outputs, tools, and prompts affect model behavior, making a technical AI concept tangible and playable.

Target audience: frontend developers, AI enthusiasts, and developers interested in local LLM inference and WebGPU

Repository: https://simedw.com/projects/harness-corp/

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