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.
MCP server Claude CodeCodexCursor +2
Drop-in compression for LLM agent tool outputs. Shrink bloated HTML/JSON/log results before they re-enter context — cut tokens, stay on-task, keep full output retrievable. Runs locally from the tooltrim Python package.
MCP server Claude CodeCodexCursor +2
Detect prompt injection, jailbreaks, and code injection in untrusted text before it reaches an LLM. Runs locally from the @safeprompt.dev/mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
LLM pricing oracle — model lookup, cost estimation, and comparison via LiteLLM. Runs locally from the tokencost-dev npm package.
abid-mahdi/whisper-telegram-mcp
MCP server Claude CodeCodexCursor +2
MCP server "whisper-telegram-mcp" as configured in abid-mahdi/whisper-telegram-mcp. Runs locally from the git+https://github.com/abid-mahdi/whisper-telegram-mcp.git Python package. Needs 2 environment variables to run.
Skill Claude CodeCodex
Repair and synchronize Codex CLI model catalogs for OpenAI-compatible third-party providers. Use when /model shows stale, missing, duplicated, or nested "All models" entries; reasoning efforts or context windows disagree with upstream; a provider exposes /models but Codex does not refresh it; or modelcatalogjson and…
Skill Claude CodeCodex
Delegate coding tasks to OpenAI Codex CLI. Supports presets (turbo/balanced/quality/max) or custom model+effort selection. Use when user wants to leverage GPT-5.5/Codex models for code analysis, refactoring, security audits, or complex transformations. Also covers MCP server management and advanced CLI features.
Skill Codex
A guide to reducing token use in Codex conversations, where tokens are the units of text sent to and from the language model.
Skill Codex
Review a Codex, Claude Code, or agent skill/plugin before public release. Use when the user wants to assess trigger quality, folder structure, documentation, validation gaps, GitHub readiness, or OSS release quality for an agent extension.
josephbartlett/windows-appshot-codex
Skill Codex
Use when the user invokes $windows-appshot or asks to create a Windows appshot bundle, including foreground-window screenshots, UI Automation text, metadata.json, prompt.md, or appshots generated by scripts/New-Appshot.ps1.
uchimanajet7/openai-responses-mcp
MCP server Claude CodeCodexCursor +2
Lightweight MCP server (Responses API core). OpenAI integration + websearch. Runs locally from the openai-responses-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for knowledge base functionality - Coming Soon. Runs locally from the mcp-knowledge-base npm package.
sid12super/MCP-Deep-Researcher
MCP server Claude CodeCodexCursor +2
MCP server "agenticdeepresearcher" as configured in sid12super/MCP-Deep-Researcher. Runs locally from the agentic_deep_researcher Python package.
aleslanger/OpenAI-image-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "openai-image-mcp" as configured in aleslanger/OpenAI-image-mcp-server. Runs locally from the openai-image-mcp npm package.
MCP server Claude CodeCodexCursor +2
Track LLM costs, set budget limits, get alerts. One command to install, one line to use. Runs locally from the @wimoron/llm-cost-guard npm package.
MCP server Claude CodeCodexCursor +2
One of 3 in .mcp.json
Gives the agent up-to-date documentation and code examples for libraries and frameworks, fetched on demand so answers are not stuck at the model's training cutoff. Runs locally from the @upstash/context7-mcp npm package.
MCP server Claude CodeCodexCursor +2
OpenAI gpt-image (gpt-image-1 / gpt-image-2) MCP server with advanced image generation and editing capabilities. Runs locally from the @napolab/gpt-image-mcp npm package.
MCP server Claude CodeCodexCursor +2
STDIO MCP server for OpenAI and Gemini image generation. Runs locally from the @s4shibam/image-gen-mcp npm package.
flame211186/founder-decision-agent
MCP server Claude CodeCodexCursor +2
MCP server "founder-decision-agent" as configured in flame211186/founder-decision-agent. Runs locally from the @sangfei/founder-decision-agent npm package.
MCP server Claude CodeCodexCursor +2
MCP server "job-agent" as configured in PARK0301/job-agent. Runs locally from the job-agent Python package.
MCP server Claude CodeCodexCursor +2
MCP server "recibosplit" as configured in Jejorm/ReciboSplit. Runs /Users/jejorm/Desktop/Education/ReciboSplit/mcp_server.py with /Users/jejorm/Desktop/Education/ReciboSplit/.venv/bin/python.
Skill Claude CodeCodex
MCP-compatible LLM gateway that proxies completion requests to downstream OpenAI-compatible providers.
MCP server Claude CodeCodexCursor +2
MCP server for generating images using OpenAI's DALL-E 3. Runs locally from the @lpenguin/openai-image-mcp npm package.
bidule995/dext-codex-connector
MCP server Claude CodeCodexCursor +2
MCP server "dext" as configured in bidule995/dext-codex-connector. Runs ./plugin/runtime/dext-fixture-stdio.mjs with node.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-reddit-publisher" as configured in uptrixbr/mcp-reddit-publisher. Runs locally from the mcp-reddit-publisher npm package.