What is the key difference between Onchain Mcp and Codex Mcp?

Onchain Mcp belongs to the Finance & Fintech category with local stdio execution, while Codex Mcp belongs to the Finance & Fintech category with local stdio execution.

How do I install Onchain Mcp or Codex Mcp in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Onchain Mcp and Codex Mcp free or paid?

Onchain Mcp operates under a BYOK (Pay Provider Direct) model (API Key required). Codex Mcp operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Onchain Mcp lists 6 tools with 1 views and 80 GitHub stars. Codex Mcp lists 4 tools with 1 views and 25 GitHub stars.

Can I use both Onchain Mcp and Codex Mcp together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Onchain Mcp or Codex Mcp in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Onchain Mcp and Codex Mcp free to use, or do they require API keys?

Onchain Mcp is listed under a BYOK (Pay Provider Direct) model with API Key required . Codex Mcp operates under a BYOK (Pay Provider Direct) model with API Key required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Onchain Mcp and Codex Mcp at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both bankless-onchain-mcp and codex-data-codex-mcp as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Onchain Mcp has a Quality Score of 37 /100 ( Fair ) with 1 views, 0 installs, and 80 GitHub stars. Codex Mcp holds a Quality Score of 39 /100 ( Fair ) with 1 views, 0 installs, and 25 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Onchain Mcp vs Codex Mcp

In-depth architectural comparison of the Onchain Mcp and Codex Mcp MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Onchain Mcp

Finance & Fintech · Local stdio

Quality: 37/100 (Fair) | Auth: API Key required

Codex Mcp

Finance & Fintech · Local stdio

Quality: 39/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Onchain Mcp if you need specialized Finance & Fintech tools running via a local process. Choose Codex Mcp if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Onchain Mcp when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: BANKLESS_API_TOKEN.
Primary tools included: Read contract state with typed inputs and outputs, Fetch contract ABI and verified source code, Query event logs with topic filtering.

Explore Onchain Mcp Details

Choose Codex Mcp when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: CODEX_API_KEY.
Primary tools included: Access to enriched blockchain data from 60+ networks, Real-time market data integration, Compatible with MCP clients like Claude Desktop.

Feature & Specification Comparison

Specification	Onchain Mcp bankless Finance & Fintech	Codex Mcp codex-data Finance & Fintech
Summary	Bankless Onchain API to interact with smart contracts, query transaction and token information	Codex API integration for real-time enriched blockchain and market data on 60+ networks
Category & Scope	Finance & Fintech	Finance & Fintech

Tools & Capabilities Breakdown

Onchain Mcp Tools (6)

Read contract state with typed inputs and outputs

Fetch contract ABI and verified source code

Query event logs with topic filtering

Build event topic signatures from event definitions

Retrieve transaction history and detailed transaction data

Get proxy implementation addresses

Codex Mcp Tools (4)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Onchain Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "bankless-onchain-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "bankless-onchain-mcp"
      ],
      "env": {
        "BANKLESS_API_TOKEN": "YOUR_BANKLESS_API_TOKEN_HERE"
      }
    }
  }
}

Codex Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "codex-data-codex-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "codex-data-codex-mcp"
      ],
      "env": {
        "CODEX_API_KEY": "YOUR_CODEX_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Onchain Mcp is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Codex Mcp belongs to Finance & Fintech using local stdio subprocess. Select Onchain Mcp when you need capabilities focused on finance & fintech and Codex Mcp when you require tools for finance & fintech.

More alternatives to Onchain Mcp More alternatives to Codex Mcp Finance & Fintech category hub