1,271 mods tagged openai that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Skill Codex
Build and diagnose visionOS projects with Seiro MCP. Use inspectxcodeschemes (if needed) -> validatesandboxpolicy -> buildvisionosapp -> inspectbuilddiagnostics (on failure) -> fetchbuildoutput (on success), and avoid direct xcodebuild or swiftc unless the user explicitly asks for shell-level execution or MCP cannot…
nagstler/rails-llm-integration
Skill Claude CodeCodex
Production-grade LLM integration patterns for Ruby on Rails applications. USE THIS SKILL when the user needs to: integrate OpenAI, Claude, or any LLM API into a Rails app; use rubyllm gem or langchain-rb gem in Rails; build AI-powered features in Rails; manage prompts as templates; route between LLM models for cost…
1939869736luosi/codex-sessions-manager
Skill Codex
Use this skill when the user wants to inspect, search, export, verify, clean up, delete, restore, or purge local Codex sessions stored under /.codex.
Skill Codex
Use CrossGen to plan and execute image generation, editing, inpainting, model selection, media-aware job monitoring, Gallery inspection, and asset export through MCP or its JSON CLI.
Skill Codex
Generate or edit raster images when the task benefits from AI-created bitmap visuals such as photos, illustrations, textures, sprites, mockups, or transparent-background cutouts. Use when Codex should create a brand-new image, transform an existing image, or derive visual variants from references, and the output…
Skill Claude CodeCodex
Run a full pipeline for a task. Orchestrates roles through stages (standalone or HOTL-integrated).
Skill Codex
Coordinate durable or cross-process work with local JSON mailboxes and vc teams commands. Use when messages must persist beyond one Codex session; prefer built-in Codex subagents for normal in-session delegation.
ccarvalho-eng/codex-elixir-phoenix
Skill Claude CodeCodex
Run the full plan-build-review-compound workflow for large Phoenix work.
qwwiwi/codex-gpt-image-2-subscription
Skill Codex
An image-generation skill that uses the Codex subscription to create images from text and up to five reference images. It does not require an OpenAI API key or separate per-image billing.
Skill Claude CodeCodex
Reduce avoidable token and API cost through task-aware model selection, context hygiene, concise responses, and disciplined tool use. Apply as an advisory policy on every turn. Actual savings vary by agent, model, provider, cache behavior, and workload; measure results instead of assuming a fixed percentage.
Skill Codex
A review of whether software follows the intended business rules, even when the code runs, compiles, and passes tests.
Skill Codex
Deterministic, self-hosted long-term memory for AI agents. Trigger when the user wants persistent memory, MCP-backed assistant memory, or wants to integrate ai-knot into Python, CrewAI, LlamaIndex, AutoGen, the OpenAI Agents SDK, PydanticAI, LangChain/LangGraph, TypeScript, or HTTP services. This is the default…
romolett0/luna-max-orchestrator
Skill Codex
Orchestrate complex coding tasks with GPT-5.6 Sol as the controller and GPT-5.6 Luna at Max reasoning as isolated workers in separate top-level chats, never as native subagents. Use when the user asks for Luna Max workers, the Sol + Luna pattern, multi-chat delegation, model-tier-aware parallel implementation, or…
MCP server Claude CodeCodexCursor +2
Add your description here. Runs locally from the mcp_tts_server Python package.
Skill Codex
Direct, design, implement, animate, critique, audit, polish, and deploy distinctive production frontend interfaces for websites, landing pages, web apps, dashboards, mobile concepts, and desktop shells. Use for new frontend builds, redesigns, bland or visually generic UI, messy interfaces, design systems, Vue Bits or…
Skill Claude CodeCodex
Role: YC Office Hours × Your-Actual-Repo Inputs: user task description (conversational) Outputs: .magneto/sprints/ /design.md Next skill: /plan Audit actions: think.started, think.questionsasked, think.designdrafted.
Skill Codex
Run a structured pre-task alignment interview for complex or ambiguous work. Use when the user asks to be grilled, wants questions before execution, requests requirements discovery or scope alignment, or when unresolved goals, constraints, tradeoffs, risks, or acceptance criteria could materially change a complex…
Skill Codex
Use when the user wants Codex App to run a supervised engineering harness for multi-session or multi-worktree work: choose a coherent feature package, dispatch bounded isolated workers, monitor with ledger and heartbeat truth, return review findings to the original worker, merge/push/cleanup accepted branches, rescue…
ASMN-96/ai-agents-skills-toolkit
Skill Claude CodeCodex
Use for governed software work that needs source-of-truth checks, routing, token/context governance, branch/PR discipline, validation honesty, and release readiness. Do not use as approval for writes, installs, migrations, broad plugin use, external tool activation, or global config changes.
Skill Codex
Use for Codex models/pricing, scheduled tasks, skills, settings, setup, troubleshooting, customization, automations, and self-knowledge—including 'you,' 'your,' 'this app,' or 'this coding agent' when they refer to Codex—and for OpenAI APIs/products and ChatGPT Work. Also use for model choice/migration, prompting…
Skill Codex
Create a visual system for a new or redesigned user interface. Generate exactly three image concepts and stop for user approval. After approval, create an HTML and CSS style guide with a representative demo. Do not use when the user supplies an approved design, requests a small edit, or skips visual exploration.
Skill Claude CodeCodex
Guidance for choosing the smallest suitable development process based on a task's risk and complexity.
MCP server Claude CodeCodexCursor +2
A Semantic Type System for AI outputs — validate intent, not just shape. Runs locally from the semantix-ai Python package.
9398-haha/codex-reconnect-repair
Skill Claude CodeCodex
Diagnose and safely repair Codex "Reconnecting... 1/5" through "5/5" loops in the CLI, desktop app, or IDE on macOS, Linux, and Windows. Use when a Codex turn stalls on repeated stream reconnects or only succeeds after HTTPS fallback; do not use for generic login, quota, model, or rate-limit errors.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: