Codex MCP Server
About
A Model Context Protocol server for the Codex API
Details
- Author
- Codex-Data
- GitHub stars
- 25
- Downloads
- 437
- Categories
- Other
Jump to
- Provides enriched blockchain data via Codex API
- Works with any MCP-compatible client (e.g., Claude Desktop)
- Can run via npx without local installation
- Supports stdio transport for embedding in CLI tools
- Configured using environment variable for API key
- Open source project hosted on GitHub
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
Codex MCP ServerCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
You need a Codex API key from the Codex Dashboard. You can run the server directly via npx @codex-data/codex-mcp without installation, or clone the repo, install dependencies with pnpm install, and build with pnpm build. Start it with pnpm start (or pnpm dev for auto-reload). Configure it as an MCP server in Claude Desktop by editing the config file and adding a codex-data entry with command and env containing your API key. Alternatively, use claude mcp add codex-data -e CODEX_API_KEY=<key> npx @codex-data/codex-mcp to integrate with Claude CLI.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"codex mcp server": {
"codex-mcp": {
"command": "npx",
"args": [
"@codex-data/codex-mcp"
]
}
}
}
}McpServers
{
"codex-mcp": {
"command": "npx",
"args": [
"@codex-data/codex-mcp"
]
}
}Codex MCP Server
An MCP server that provides enriched blockchain data from Codex. This server can be used with any MCP-compatible client like Claude Desktop.
Installation
```bash
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