---
type: source
title: "6 Components of Coding Agents"
author: "Hesamation (@Hesamation)"
url: "https://x.com/Hesamation/status/2040453130324709805"
date: 2026-04-04
domain: ai-alignment
format: tweet
status: unprocessed
tags: [coding-agents, harness, claude-code, components, architecture]
---

## Content

this is a great article if you want to understand Claude Code or Codex and the main components of a coding agent: 'harness is often more important than the model'. LLM -> agent -> agent harness -> coding harness. there are 6 critical components: 1. repo context: git, readme, ...

279 likes, 15 replies. Quote of Sebastian Raschka's article on coding agent components.

## Key Points

- Harness is often more important than the model in coding agents
- Layered architecture: LLM -> agent -> agent harness -> coding harness
- 6 critical components identified, starting with repo context (git, readme)
- Applicable to understanding Claude Code and Codex architectures
- References Sebastian Raschka's detailed article on the topic
