Agent in 9 Lines Python
I asked myself: what would a minimal implementation of an agent look like? Something that works out of the box, is a real agent with tool calling, but without 1000s of lines of code, without dozens or hundreds of npm or pypi dependencies. Something with just a few 'essential' features (not a whole kitchen sink that most agent harnesses come with nowadays). An implementation close to pseudocode that you can look at in one page, everything there at a glance, no scrolling. This is the agent.py I ended up with so far: import json,sys;from subprocess import getoutput as sh;from urllib.request…
Agent in 9 Lines Python launched on July 22, 2026 with 21 votes, #854 of 24,623 launches that month and more than 90% of that year's launches.
In plain words
Agent in 9 Lines Python is a minimal implementation of an AI agent with tool calling capabilities, designed to work out of the box with minimal dependencies. Written in just nine lines of Python code, it enables an agent to interact with users and execute shell commands through a simple, readable implementation. The project is intended for developers who want to understand how agents work or build lightweight agent functionality without the complexity and bloat of larger frameworks.
written from the facts on this page · September 2026
From the sources
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In the maker’s words, at launch
I asked myself: what would a minimal implementation of an agent look like? Something that works out of the box, is a real agent with tool calling, but without 1000s of lines of code, without dozens or hundreds of npm or pypi dependencies. Something with just a few 'essential' features (not a whole kitchen sink that…
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