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How to install Ethereum Transaction Builder in Cursor

To install Ethereum Transaction Builder in Cursor, click "Add to Cursor" on this page or paste the "ethereum-transaction-builder" block into ~/.cursor/mcp.json, then check for a green dot in Cursor Settings under MCP.

Built from the published package · server updated yesterday

  1. 1

    One click (fastest)

    Click the button to open Cursor with this server ready to add.

    Add Ethereum Transaction Builder to Cursor
  2. 2

    Or add it by hand

    Open Cursor Settings, then MCP, then Add new MCP server, or edit mcp.json directly and paste:

    {
      "mcpServers": {
        "ethereum-transaction-builder": {
          "command": "uvx",
          "args": [
            "transaction-mcp-server"
          ]
        }
      }
    }
  3. 3

    Turn it on

    In Settings, MCP, make sure the server shows a green dot. Use it in Agent mode.

Config file: ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project)

MCP servers run with your permissions. If Ethereum Transaction Builder needs an API key, add it under env in the config. Check its README.

Install Ethereum Transaction Builder in another app

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Questions

Does Ethereum Transaction Builder work in Cursor?

Yes. Cursor supports local and remote mcp servers, and Ethereum Transaction Builder installs with the steps above.

Ethereum Transaction Builder does not show up in Cursor. What now?

Restart Cursor fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is Ethereum Transaction Builder safe?

It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.