Codex Knowledge Base
Codex CLI Skills for OSS Maintenance: Lessons from OpenAI's Own Agents SDK Repositories
Codex CLI Plugin Ecosystem: Building, Distributing, and Managing Marketplace Plugins
Codex CLI Multi-Provider Resilience: Failover Chains, Account Pooling, and the Art of Uninterrupted Agent Sessions
Codex CLI Model Catalogue Architecture: Providers, Discovery, and Debugging Model Resolution
Codex CLI MCP Sandbox-State Metadata: Building Context-Aware Tool Servers
MCP Parallel Tool Calls in Codex CLI: Unlocking Concurrent Execution with supports_parallel_tool_calls
Codex CLI Config Lockfiles: Reproducible Agent Sessions with Export, Replay, and Drift Detection
The Goblin Incident: What Reward Signal Leakage in GPT-5.5 Teaches Codex CLI Practitioners
WebSocket Mode in Codex CLI: How Persistent Connections to the Responses API Cut Agent Loop Latency by 40%
Codex CLI Sandbox Internals: How Seatbelt, Bubblewrap, Landlock and Windows DACL Keep Agent Commands in Check