13 tools that work with OpenAI Codex: 7 MCP servers, 6 Agent Skills and 0 Claude Code plugins. 0 of the remote servers answered our live check, 0 worked without an API key, and 3 come from an official or verified publisher. Ranked by GitHub stars plus official, live and free-to-try signals.
Most common uses: Code search, analysis, refactoring & languages (7), Models, LLM APIs, routing, serving, training & GPUs (3), Thinking, planning & prompt tools (2), Multi-agent, orchestration & workflows (1).
| Tool | Stars | Last update | License | |
|---|---|---|---|---|
| codex-subagent Launch OpenAI Codex CLI as a subagent (ChatGPT subscription auth, no API key). Use when delegating a self-contained coding task to Codex from another SkillInstall · skills CLI | 4,309 | MIT | ||
| dispatch Delegate tasks to OpenAI Codex CLI and Google Antigravity CLI from Claude Code. Say 'check with codex' or 'ask gemini for a second opinion' and Claude SkillInstall · skills CLI | 3,743 | MIT | ||
| auditcodex Send recent work to OpenAI Codex CLI for an independent audit/review SkillInstall · skills CLI | 199 | — | ||
| auditcodexdirect Send specific files to OpenAI Codex CLI for an independent audit/review SkillInstall · skills CLI | 199 | — | ||
| codex Run OpenAI's Codex CLI agent in non-interactive mode using `codex exec`. Use when delegating coding tasks to Codex, running Codex in scripts/automatio SkillInstall · skills CLI | 153 | — | ||
| codex-cli Use when an agent needs to delegate a task to the OpenAI Codex CLI from another agent environment such as Claude Code, OpenClaw, or similar. Covers ch SkillInstall · skills CLI | 139 | MIT | ||
| com.clauxel.byterovermemory/byterovermemory-mcp A paid remote MCP for OpenAI Codex memory MCP, built to return verdicts, receipts, usage logs, and a MCP serverVerified domain · byterovermemory.clauxel.comRemoteDown | 0 | — | ||
| com.clauxel.jcodeharness/jcodeharness-mcp A paid remote MCP for OpenAI Codex harness MCP, built to return verdicts, receipts, usage logs, and MCP serverVerified domain · jcodeharness.clauxel.comRemoteDown | 0 | — | ||
| com.clauxel.rtkcontext/rtkcontext-mcp A paid remote MCP for OpenAI Codex context compressor, built to return verdicts, receipts, usage log MCP serverVerified domain · rtkcontext.clauxel.comRemoteDown | 0 | — | ||
| io.github.ItsOdeLeo/codex4ever Plan OpenAI Codex usage from local quota, banked resets and extra-reset forecasts. MCP serverGitHub-verified authorLocal · npm | 5 | MIT | ||
| io.github.ItsOdeLeo/usage-planner Plan OpenAI Codex usage from local quota, banked resets and extra-reset forecasts. MCP serverGitHub-verified authorLocal · npm | 5 | MIT | ||
| Codex Subagent Delegate coding tasks to the OpenAI Codex CLI, installed separately, with explicit model and effort. MCP serverGitHub-verified authorLocal · npm | 0 | MIT | ||
| Codexbox Self-hosted MCP server: run OpenAI Codex CLI prompts and manage workspace files. MCP serverGitHub-verified authorLocal · Docker | 0 | WTFPL |