Codex Knowledge Base
SWE-Chain and the Chained Upgrade Problem: Why Your Agent Breaks at Version Three — and How Codex CLI's Goal Mode Keeps the Chain Intact
SWE-Chain and the Chained Upgrade Problem: Why Your Agent Breaks at Version Three — and How Codex CLI’s Goal Mode Keeps the Chain Intact
Runtime-Structured Task Decomposition: What RSTD Reveals About Escaping the Monolithic Prompt Trap — and How Codex CLI's Architecture Already Implements It
Runtime-Structured Task Decomposition: What RSTD Reveals About Escaping the Monolithic Prompt Trap — and How Codex CLI’s Architecture Already Implements It
Rule Taxonomy in AI IDEs: What 7,310 Mined Rules Reveal About the Gap Between Developer Intent and AGENTS.md Practice — and How to Close It in Codex CLI
Rule Taxonomy in AI IDEs: What 7,310 Mined Rules Reveal About the Gap Between Developer Intent and AGENTS.md Practice — and How to Close It in Codex CLI
RepoRescue and the Compatibility Rescue Problem: Why Agents Fail at Cross-File Coordination — and How Codex CLI's Modernisation Workflow Closes the Gap
RepoRescue and the Compatibility Rescue Problem: Why Agents Fail at Cross-File Coordination — and How Codex CLI’s Modernisation Workflow Closes the Gap
MCP Tool Search Goes Default: What Smelly Descriptions, SING Active Discovery, and Deferred Loading Mean for Your Codex CLI Tool Stack
MCP Tool Search Goes Default: What Smelly Descriptions, SING Active Discovery, and Deferred Loading Mean for Your Codex CLI Tool Stack
Life-Harness and Runtime Harness Adaptation: What a 126-Setting Study Reveals About Improving Frozen LLM Agents Through Interface Engineering — and How Codex CLI Already Implements All Four Lifecycle Layers
Life-Harness and Runtime Harness Adaptation: What a 126-Setting Study Reveals About Improving Frozen LLM Agents Through Interface Engineering — and How Codex CLI Already Implements All Four Lifecycle Layers
Hook Gotchas: Seven PreToolUse and PostToolUse Timing Mistakes That Break Deterministic Enforcement in Codex CLI
Hooks are the deterministic enforcement layer that makes agent compliance guaranteed rather than probable. But misconfiguring hook timing, scope, and exit codes silently downgrades your guardrails from ironclad to advisory....
How Coding Agents Fail Their Users: What 20,574 Real-World Sessions Reveal About Misalignment — and How Codex CLI Defends Against the Seven Failure Forms
A large-scale observational study of 20,574 coding-agent sessions identifies seven recurring misalignment forms. We map each failure pattern to Codex CLI's constraint enforcement layer — hooks, approval policies, AGENTS.md, and...
Context Budget Gotchas: Eight Ways Your Codex CLI Agent Forgets Mid-Task and How to Prevent Catastrophic Context Loss
Context is the agent's working memory. When it runs out, the agent does not stop — it forgets. The most dangerous context failures are the ones where the agent continues...
Coding with the Enemy: Why 94 Per Cent of Developers Miss Agent Sabotage — and How Codex CLI's Layered Defences Close the Gap
Coding with the Enemy: Why 94 Per Cent of Developers Miss Agent Sabotage — and How Codex CLI’s Layered Defences Close the Gap