Codex MCP Server

Name: Codex MCP Server
Author: Codex-Data

@Codex-Data

Repository

About Codex MCP Server

A Model Context Protocol server for the Codex API

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "codex-mcp": {
      "command": "npx",
      "args": [
        "@codex-data/codex-mcp"
      ]
    }
  }
}

Tools

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Overview

What is Codex MCP Server?

Codex MCP Server is a Model Context Protocol (MCP) server that provides enriched blockchain data from the Codex platform. It can be used with any MCP-compatible client, such as Claude Desktop or Claude CLI, to enable AI assistants to query live blockchain data.

How to use Codex MCP Server?

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.

Key features of Codex MCP Server

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

Use cases of Codex MCP Server

Query on-chain data through natural language in Claude Desktop
Integrate blockchain data into AI-powered workflows
Build custom CLI tools that combine AI and blockchain information

FAQ from Codex MCP Server

What is Codex MCP Server?

An MCP server that enriches AI assistants with blockchain data by connecting to the Codex platform.

How do I obtain a Codex API key?

You can get your API key from the Codex Dashboard at https://dashboard.codex.io.

How do I integrate with Claude Desktop?

Open Claude Desktop settings, go to the Developer tab, edit the config, and add a server configuration with the command npx -y @codex-data/codex-mcp and environment variable CODEX_API_KEY.