How to Use the Blocknative (Ethereum Mempool API) MCP in Claude Code

Connect Claude Code to Blocknative (Ethereum Mempool API) for headless gas price monitoring and automated deployment scripts.

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Connect Blocknative (Ethereum Mempool API) MCP to Claude Code

Create your Vinkius account to connect Blocknative (Ethereum Mempool API) to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Blocknative (Ethereum Mempool API) with Claude Code

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Headless gas price monitoring

Claude Code uses `get_gas_prices` within your terminal to track network costs. It is perfect for CI/CD pipelines that deploy contracts. Your scripts can now make decisions based on live mempool data. It removes the need for static gas settings that fail during busy periods.

Automated deployment pipelines

Integrate this MCP Server into your build process to automate ETH transactions. Your agent checks the price and proceeds when costs are favorable. This tool allows for reliable unattended deployments. It keeps your infrastructure aware of the mempool state at all times.

Terminal-based mempool access

You get the power of Blocknative directly in your shell. No GUI is required to see what is happening on the chain. Claude Code connects to this server to fetch data for your backend scripts. It is a clean way to manage gas in production.

Setup guide

Set up Blocknative (Ethereum Mempool API) MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see blocknative-ethereum-mempool-api-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Blocknative (Ethereum Mempool API) transactions." It will automatically discover and invoke the available Blocknative (Ethereum Mempool API) tools.

Terminal

claude mcp add --transport http blocknative-ethereum-mempool-api-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Blocknative (Ethereum Mempool API) MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "blocknative-ethereum-mempool-api-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Blocknative. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Blocknative (Ethereum Mempool API) MCP in Claude Code

Yes. It uses the tool to check gas prices before triggering a deployment. It ensures your automated tasks don't hang due to low gas.

Use the terminal command to add the server via URL. The configuration is stored in your local file, allowing Claude Code to reach the tools.

It is designed for headless operation. It provides the data you need for scripts without requiring any user interaction.

Claude Code supports this inside containers. You can fetch gas data during your build steps as long as the container has network access.

The server only reads public gas estimates from the mempool. Vinkius secures the endpoint, ensuring no traffic leaks occur.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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