2 field notes

Codex

These Codex articles show how I configure the agent, give it context, and use it to plan, build, debug, and maintain real software projects.

Latest in Codex

Codex articles and guides

Browse every All Agents Considered article filed under Codex.

I Built an Open Source MCP To Analyze Your Substack Data With Hermes And Codex

August 25, 2026

MCP Server

I Built an Open Source MCP To Analyze Your Substack Data With Hermes And Codex

A step-by-step setup and five prompts for asking useful questions about your publication without pasting private exports into a chat

Dan Cucolea Read more: I Built an Open Source MCP To Analyze Your Substack Data With Hermes And Codex
How I Built A Substack API With Hermes And Codex

July 21, 2026

Product Thinking

How I Built A Substack API With Hermes And Codex

I wanted Hermes to schedule my Substack Notes. A missing scheduling feature turned into an open-source tool built across Hermes, Codex, and a set of independent checks.

Dan Cucolea Read more: How I Built A Substack API With Hermes And Codex

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