Codex Knowledge Base
GPT-5.6 Canary Signals and Codex CLI Readiness: A Developer Preparation Guide
GPT-5.6 Canary Signals and Codex CLI Readiness: A Developer Preparation Guide
The Coding Agent Failure Taxonomy: A Systematic Classification of How Agents Break
The Coding Agent Failure Taxonomy: A Systematic Classification of How Agents Break
Codex Sites, Annotations, and the June 2026 Business Expansion: Six Role-Specific Plugins and the Enterprise Hosting Layer
Codex Sites, Annotations, and the June 2026 Business Expansion: Six Role-Specific Plugins and the Enterprise Hosting Layer
Codex Security Plugin: Local Vulnerability Scanning, Diff Review, and Automated Remediation from the CLI
Codex Security Plugin: Local Vulnerability Scanning, Diff Review, and Automated Remediation from the CLI
Codex CLI v0.137 Alpha: Remote Control Client Management, Skills Extension Architecture, and Code-Mode Image Generation
v0.137.0-alpha.4 landed on npm on 3 June 2026. This preview unpacks the six most significant development directions: remote-control client revocation without relay enrolment, a dedicated skills extension crate, per-turn skill...
Codex CLI v0.136 Security Hardening: Closing Three Agent Attack Surfaces
Codex CLI v0.136 Security Hardening: Closing Three Agent Attack Surfaces
Codex CLI MCP in v0.136: Per-Server Environment Targeting, OAuth Streamable HTTP, and Concurrent Read-Only Tools
Codex CLI MCP in v0.136: Per-Server Environment Targeting, OAuth Streamable HTTP, and Concurrent Read-Only Tools
Codex CLI for Hono.js: Building Type-Safe Edge APIs with Zod OpenAPI, RPC, and Cloudflare Workers
Codex CLI for Hono.js: Building Type-Safe Edge APIs with Zod OpenAPI, RPC, and Cloudflare Workers
Codex CLI Environment Variables: The Complete Reference for CODEX_HOME, CODEX_API_KEY, and Headless Deployment
Codex CLI Environment Variables: The Complete Reference for CODEX_HOME, CODEX_API_KEY, and Headless Deployment
Codex CLI Built-In Tool Surface: The Complete Reference for v0.136
Codex CLI Built-In Tool Surface: The Complete Reference for v0.136