Codex Agent Building Practical Course: Tool Environment Setup, Custom Skill Development, Multi-Business Automation

Course Introduction

This hands-on Codex course walks you through building your own dedicated agent from scratch. Starting with Codex installation, multimodal model configuration and basic features, it covers the fundamentals of agents, custom skill development and skill decomposition. Topics include Excel data analysis, auto-generated summary PPTs, automated editing and a pipeline for product detail pages; you will also learn storyboard videos, HyperFrames effects and digital human talking-head videos. Codex is connected to Feishu for remote control from your phone, and integrated with the Obsidian knowledge base to one-click scrape Feishu and Xiaohongshu content, plus auto-replicate images. With supporting course docs and many real business cases, you will master API calls and build automated agent workflows that fit your own business.

Course Outline

01 Codex Installation and Configuration
02 Installing Multimodal Models in Codex
03 Basic Features of Codex
04 Supporting Course Documents
05 Fundamentals of Agents
06 My First Skill
07 Decomposing Agent Skills
08 Overall Business Flow and Demo
09 Completing Automated Production
10 Configuring Automated Editing
11 Excel Processing and Data Analysis
12 Generating a Summary PPT after Excel Processing
13 Calling gpt-image-2 via a Relay Station
14 Logic Analysis for Building Detail Pages
15 API Verification for Detail Page Production
16 Completing the Detail Page Workflow
17 Logic of Making Videos from Storyboards
18 API Calls in Video Production
19 Complete Storyboard Video Production
20 Logic of HyperFrames Effect Creation
21 Getting Effect Prompts from Viral Videos
22 Completing HyperFrames Effect Production
23 Logic Analysis of Codex Digital Humans
24 Auto-Fetching Viral Douyin Scripts
25 Making Talking-Head Videos with an Online Digital Human
26 Connecting Codex to Feishu
27 Remote Controlling Codex from Feishu on Mobile
28 Why Use Obsidian
29 Connecting Codex with Obsidian
30 One-Click Fetching of Feishu and Xiaohongshu Content in Obsidian
31 One-Click Auto-Replicating Images with Codex