Developer Tools●●Solid
Loop your agents like a dandy little b*tch
Single-file Python CLI that names and backgrounds loops so you can stop writing while-true.
CozyBig Brain
geekforbrains
613mo ago
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GitHub Repository
The tool-calling loop for LLM agents; iterator-first, protocol-hooked, one dependency.
6 starsPython
Looplet – a 0-dep agent loop you own
by hsaghir·Apr 29, 2026·2 points·0 comments
AI Analysis
●●SolidBig BrainNiche Gem
Iterator-first design beats black-box frameworks like LangChain for debugging.
Strengths
- •Zero runtime dependencies means no bloat in your production container.
- •Yielding every step lets you inject custom logic between tool calls easily.
- •Protocol hooks allow observing or steering decisions without forking the library.
Weaknesses
- •Python-only scope limits reach compared to TypeScript agent ecosystems.
- •Lacks a visual debugger or UI, relying entirely on print statements and logs.
Category
Target Audience
Python developers building custom LLM agents
Similar To
LangChain · LlamaIndex · Haystack
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