Codex Knowledge Base
Patch Verbosity and the RECAP Refinement Adapter: Why Your Codex CLI Patches Are Twice the Size of Human Ones — and What to Do About It
Patch Verbosity and the RECAP Refinement Adapter: Why Your Codex CLI Patches Are Twice the Size of Human Ones — and What to Do About It
MCP Goes Stateless: What the 2026-07-28 Specification Means for Your Codex CLI MCP Server Stack
MCP Goes Stateless: What the 2026-07-28 Specification Means for Your Codex CLI MCP Server Stack
Keepalive Economics: What Prompt Cache Eviction During Idle Pauses Costs Your Codex CLI Sessions — and How to Stop Bleeding Tokens
Keepalive Economics: What Prompt Cache Eviction During Idle Pauses Costs Your Codex CLI Sessions — and How to Stop Bleeding Tokens
Humans Are Missing from Coding Agent Research: What Four Interaction Dimensions Reveal About Codex CLI's Design — and Where It Still Falls Short
Humans Are Missing from Coding Agent Research: What Four Interaction Dimensions Reveal About Codex CLI’s Design — and Where It Still Falls Short
GPT-5.6 Sol Ultrafast Preview: What 14× Inference Speed Means for Your Codex CLI Workflows
GPT-5.6 Sol Ultrafast Preview: What 14× Inference Speed Means for Your Codex CLI Workflows
Distilling Reasoning Traces into Advisory Prompts: What the Faisal–Devanbu–Ahmed Pipeline Means for Your AGENTS.md and Reasoning Effort Configuration
Distilling Reasoning Traces into Advisory Prompts: What the Faisal–Devanbu–Ahmed Pipeline Means for Your AGENTS.md and Reasoning Effort Configuration
APPA and the Taint Confinement Problem: Why Context Branching Beats Permanent Tainting — and What It Means for Codex CLI's Security Model
APPA and the Taint Confinement Problem: Why Context Branching Beats Permanent Tainting — and What It Means for Codex CLI’s Security Model
All Smoke, No Alarm: What 86,000 Agent-Authored Test Patches Reveal About Oracle Quality — and How to Stop Codex CLI Writing Empty Tests
All Smoke, No Alarm: What 86,000 Agent-Authored Test Patches Reveal About Oracle Quality — and How to Stop Codex CLI Writing Empty Tests
Vero and the Verified Software Gap: What a 43-Instance Benchmark Reveals About Coding Agents and Formal Proof — and How Codex CLI's Verification Hooks Close the Distance
Vero and the Verified Software Gap: What a 43-Instance Benchmark Reveals About Coding Agents and Formal Proof — and How Codex CLI’s Verification Hooks Close the Distance
ToolHazard and Adversarial Environment Synthesis: What 87 Stress-Test Tasks Reveal About Indirect Prompt Injection in Tool-Using Agents — and How Codex CLI's Layered Defences Respond
ToolHazard and Adversarial Environment Synthesis: What 87 Stress-Test Tasks Reveal About Indirect Prompt Injection in Tool-Using Agents — and How Codex CLI’s Layered Defences Respond