COURSE_01 · PYTHON
AGENT_HARNESS
Build a coding-agent harness from scratch in Python. Tool loop, safe shell, sandbox abstraction, context pruning, subagents, and extension points.
A Python adaptation of Build Your Own AI Coding Agent Harness (Vercel Academy). Primary lesson text is in Russian.
Module 1 is live on the RU track — open Russian course.
uv, and
DEEPSEEK_API_KEY
(from platform.deepseek.com).
Lesson 1.1 starts with uv init →
uv add pydantic-ai before
uv run.
Primary lessons are in Russian.
Outline
The Agent Loop
From a tool-less chatbot to an agent with read, grep,
and allowlisted bash.
Remaining modules
Tool design, system prompts, sandbox abstraction, context management, subagents, sandbox lifecycle, human-in-the-loop, planning, surfaces, and extensibility — same structure as the Russian outline.