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How to install SendCheck — EVM address verification (x402) in Windsurf

To install SendCheck — EVM address verification (x402) in Windsurf, paste the "sendcheck-evm-address-verification-x402" block into ~/.codeium/windsurf/mcp_config.json and refresh the MCP panel in Cascade.

Built from the published package · server updated 1 month ago

  1. 1

    Open the MCP config

    In Windsurf, open Settings, then Cascade, then MCP servers, and choose to view the raw config.

  2. 2

    Add the server

    Paste this into mcp_config.json:

    {
      "mcpServers": {
        "sendcheck-evm-address-verification-x402": {
          "url": "https://api.pennyforge.org/mcp"
        }
      }
    }
  3. 3

    Refresh

    Click refresh in the MCP panel. The server and its tools appear in Cascade.

Config file: ~/.codeium/windsurf/mcp_config.json

MCP servers run with your permissions. If SendCheck — EVM address verification (x402) needs an API key, add it under env in the config. Check its README.

Install SendCheck — EVM address verification (x402) in another app

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Questions

Does SendCheck — EVM address verification (x402) work in Windsurf?

Yes. Windsurf supports local and remote mcp servers, and SendCheck — EVM address verification (x402) installs with the steps above.

SendCheck — EVM address verification (x402) does not show up in Windsurf. What now?

Restart Windsurf fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is SendCheck — EVM address verification (x402) safe?

It scores 30 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.