Show HN: NiftyAgent – Single file agent CLI under 500 LOC

Category: ai-ml

Tags: cli, agent, llm, single-file, nodejs

Score: 4.8/10 (Innovation: 4, Technical: 5, Documentation: 6, Utility: 4)

NiftyAgent is a single-file Node.js CLI agent that demonstrates how to build a minimal AI coding assistant in under 500 lines without dependencies. It uses an LLM provider API to read/write files and execute tasks, emphasizing simplicity and extensibility by prompting the agent to modify its own source code.

Target audience: backend developers, AI engineers, hobbyists

Repository: https://github.com/TrevorDev/niftyagent · JavaScript · 5 stars

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