# Codex MCP Server

> Use this tool when you need to integrate AI assistants with code analysis and editing capabilities, enabling automated refactoring, documentation, and sandboxed code execution with approval workflows. It connects AI assistants to the Codex CLI, supporting file references and structured code changes. Ideal for use cases requiring secure and controlled code management and automation.

Canonical page: https://skillsregistry.net/skills/cexll-codex-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/cexll-codex-mcp-server

## Description

Connects AI assistants like Claude to the Codex CLI for code analysis, editing, and execution. Supports file references with @ syntax, sandboxed code execution with approval workflows, and structured code changes for automated refactoring and documentation.

## Trust

- **Trust score (0–1):** 0.75
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/a6rjcrw7nx)
- **Repository:** <https://github.com/cexll/codex-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "cexll-codex-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/cexll-codex-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/cexll-codex-mcp-server/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt