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Codex

Safety: 75/100

0.0(0)

Codex MCP Server provides enriched blockchain data via the Model Context Protocol, enabling integration with compatible clients using an API key.

MCP ServersFreemium

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Overview

Codex MCP Server provides enriched blockchain data via the Model Context Protocol, enabling integration with compatible clients using an API key.

The Codex MCP Server is relatively safe for read-only access to blockchain data. The primary risk is the potential compromise of the Codex API key, which could lead to unauthorized data access. Ensure the API key is securely stored and managed.

Performance is dependent on the Codex API's response times and the network connection. Consider caching frequently accessed data to improve performance.

Cost is primarily determined by the usage of the Codex API, which may have associated fees based on data volume and request frequency. Monitor API usage to avoid unexpected costs.

LocalTypeScript22 starsReleased 4/5/2025CI/CD

Connections & Capabilities

Connects To

GitHub

Capabilities

Read

Client Compatibility

Claude Desktop

full

Cursor

untested

Windsurf

untested

VS Code (Copilot)

untested

Quickstart

Install

npx @codex-data/codex-mcp

Claude Desktop Config

{
  "mcpServers": {
    "codex-data": {
      "command": "npx",
      "args": ["-y", "@codex-data/codex-mcp"],
      "env": {
        "CODEX_API_KEY": "<your-codex-api-key>"
      }
    }
  }
}

Environment Variables

CODEX_API_KEY

Tools (1)

safe

get_blockchain_data

Retrieves enriched blockchain data from the Codex API.

Read-only operation with no side effects.

Security

Auth Method

API Key

Data Locality

local

Known Risks

!API key compromise leading to unauthorized data access.
!Potential for data breaches if the server is not properly secured.
!Reliance on the availability and security of the Codex API.
!Lack of rate limiting could lead to abuse and increased costs.
!Vulnerabilities in underlying dependencies.

Safety Score

moderate risk

Positive

+Read-only access to blockchain data.
+Requires an API key for authentication.
+No direct write or delete operations.
+Runs in stdio mode, limiting external exposure.

Risks

-API key compromise could expose data.
-Potential for data exfiltration if not properly secured.
-Reliance on Codex API availability.
-No explicit rate limiting mentioned, potential for abuse.

Use Cases

Blockchain Data Analysis

-Analyzing transaction patterns.
-Identifying trends in blockchain usage.
-Monitoring smart contract activity.

Financial Modeling

-Integrating blockchain data into financial models.
-Assessing the value of crypto assets.
-Predicting market movements.

Research and Development

-Exploring new blockchain technologies.
-Developing innovative applications.
-Conducting academic research.

Who Is This For?

Best For

Researchers analyzing blockchain data.
Developers building blockchain-integrated applications.
Financial analysts modeling crypto assets.
Individuals exploring blockchain technology.

Not Ideal For

Applications requiring real-time, low-latency data.
Systems needing write access to the blockchain.
Environments with strict security requirements prohibiting external API dependencies.

Autonomy & Execution

Default ModeRead-only

Sandboxed

The server primarily provides read-only access, limiting the scope for autonomous destructive actions. Sandboxing is implicit due to the stdio execution model.

StatelessYes

Retry LogicNot documented

ConcurrencySingle-threaded

Production Tip

Monitor API usage and ensure the Codex API key is securely managed in a production environment.

FAQ

What is the Codex MCP Server?

It's a server that provides enriched blockchain data from Codex, accessible via the Model Context Protocol.

How do I get a Codex API key?

You can obtain your API key from the Codex Dashboard.

Is the Codex MCP Server safe to use?

It's relatively safe for read-only access, but ensure your API key is securely managed.

What kind of data can I access?

You can access enriched blockchain data, including transaction details, smart contract information, and market data.

Can I write data to the blockchain using this server?

No, the server only provides read-only access to blockchain data.

How do I integrate this server with Claude Desktop?

You can configure Claude Desktop by adding a new server configuration in the Developer tab, specifying the command and API key.

What are the cost considerations?

The cost depends on your usage of the Codex API, which may have associated fees based on data volume and request frequency.

Metrics

Discovered2/14/2026

Reviews0

Saved By0 users

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