Codex Knowledge Base
The Amazon Q Developer Sunset: Migration Paths for AWS Teams Moving to Codex CLI, Kiro, or Bedrock
On 30 April 2026, AWS announced that Amazon Q Developer IDE plugins and paid subscriptions will reach end of support on 30 April 2027.
The Agent Skills Open Standard: Writing Portable SKILL.md Files That Work Across Codex CLI, Claude Code, and 30+ Tools
If you have invested time building skills for Codex CLI, you may not realise that those same files already work — unchanged.
Terminal Agent Showdown: Codex CLI vs Claude Code vs Gemini CLI in May 2026
The terminal agent race has intensified since the three-way contest crystallised in late 2025. OpenAI's Codex CLI (v0.128.0, Rust-native), Anthropic's.
Codex CLI and Stripe Projects: Autonomous Agent Provisioning from Code to Production
Coding agents have been writing production-quality code for over a year. They can generate, test, refactor, and review — yet the final step has stubbornly.
Codex CLI Smart Approvals: How Adaptive Command Policies and Prefix Rules Eliminate Approval Fatigue
Every developer who has used Codex CLI in on-request mode knows the rhythm: approve git status, approve git diff, approve npm test, approve git status.
Codex CLI Skills for OSS Maintenance: Lessons from OpenAI's Own Agents SDK Repositories
OpenAI practises what it preaches. In March 2026 the company published a detailed case study showing how Codex CLI skills transformed maintenance of its two.
Codex CLI Plugin Ecosystem: Building, Distributing, and Managing Marketplace Plugins
Since v0.117.0 landed on 26 March 2026, Codex CLI has treated plugins as a first-class workflow primitive . What previously required separate MCP server.
Codex CLI Multi-Provider Resilience: Failover Chains, Account Pooling, and the Art of Uninterrupted Agent Sessions
Rate limits are the silent killer of deep-focus agent sessions. You are forty minutes into a complex refactoring loop, the model has built up a rich.
Codex CLI Model Catalogue Architecture: Providers, Discovery, and Debugging Model Resolution
When Codex CLI launches a session, it must resolve which model to use, where to send inference requests, and what capabilities that model supports — context.
Codex CLI MCP Sandbox-State Metadata: Building Context-Aware Tool Servers
MCP servers connected to Codex CLI traditionally operate without knowledge of their execution context. A database migration tool behaves identically whether.