Codex Knowledge Base
Codex CLI Python SDK and v2 App-Server Filesystem RPCs
The v0.115.0 release of Codex CLI introduced two major primitives for programmatic control: an experimental Python SDK and a set of v2 filesystem RPCs.
Codex CLI Network Security: requirements.toml Enforcement, Landlock, and Air-Gapped Deployments
Enterprise teams deploying Codex CLI face two distinct network security challenges. The first is operator enforcement: ensuring that individual developers.
Codex CLI for .NET and C# Teams: Skills, AGENTS.md, NuGet Sandboxing and Azure OpenAI
The .NET ecosystem has a richer Codex integration story than most developers realise. Between the official dotnet/skills catalogue published by the .NET.
Codex CLI Custom Model Providers: Azure, Vercel, Local LLMs and Dynamic Bearer Tokens
Codex CLI ships wired to OpenAI's hosted models, but the [model_providers] configuration table lets you point it at any OpenAI-compatible endpoint — Azure.
Codex CLI Context Compaction: Architecture, Configuration, and Managing Long Sessions
Agentic coding sessions accumulate context fast. A non-trivial refactoring task — reading source files, running tests, writing patches, re-reading updated.
The V4A Diff Format: How Codex CLI's apply_patch Actually Edits Your Code
Every time Codex CLI modifies a file, it does so through a single mechanism: the apply_patch tool emitting diffs in a format called V4A. Unlike traditional.
Codex CLI App Server: Remote Access, WebSocket Transport, and Headless Deployment
The Codex CLI is typically presented as a local terminal tool, but underneath its TUI sits a full JSON-RPC 2.0 server — the app-server.
Reddit Sentiment Monitor: Codex CLI — March 30, 2026
Weekly Reddit sentiment monitor for Codex CLI across r/OpenAI, r/MachineLearning, r/programming, r/devops, and r/ArtificialIntelligence.
Graphiti: Temporal Knowledge Graphs for Agent Memory — Should the Knowledge Flywheel Use It?
Graphiti is an open-source Python library (Apache 2.0 licensed, maintained by Zep) for building and querying temporal knowledge graphs designed specifically.
Managing Codex CLI Configuration Across Multiple AI Tools
Most teams don't just use Codex CLI. They use Codex alongside Claude Code, Cursor, Gemini CLI, or GitHub Copilot. This creates a configuration management.