MCP Server

StablecoinX MCP Server

Name: StablecoinX MCP Server
Author: io.github.e2xlabs

io.github.e2xlabs/stablecoinx-mcp

Repository Registry

What is the StablecoinX MCP server?

Drive a StablecoinX business account — auth, API keys, sessions, paymaster, and webhooks.

How to install StablecoinX

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

SCX_STATE_PASSPHRASE
required
secret
Passphrase used to encrypt the local state file (JWT / API key / session key) at rest. Pick any string. The harness endpoint, thirdweb client, origin and login chain are baked into the package — this is the only required input.
SCX_STATE_DIR
Optional. Directory for the encrypted local state file. Defaults to %APPDATA%/stablecoinx-mcp (Windows) or $XDG_CONFIG_HOME/stablecoinx-mcp.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "stablecoinx-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@stablecoinx/mcp",
        "setup"
      ],
      "env": {
        "SCX_STATE_PASSPHRASE": "<YOUR_SCX_STATE_PASSPHRASE>",
        "SCX_STATE_DIR": "<YOUR_SCX_STATE_DIR>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "stablecoinx-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@stablecoinx/mcp",
        "setup"
      ],
      "env": {
        "SCX_STATE_PASSPHRASE": "<YOUR_SCX_STATE_PASSPHRASE>",
        "SCX_STATE_DIR": "<YOUR_SCX_STATE_DIR>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "stablecoinx-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@stablecoinx/mcp",
        "setup"
      ],
      "env": {
        "SCX_STATE_PASSPHRASE": "<YOUR_SCX_STATE_PASSPHRASE>",
        "SCX_STATE_DIR": "<YOUR_SCX_STATE_DIR>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "stablecoinx-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@stablecoinx/mcp",
        "setup"
      ],
      "env": {
        "SCX_STATE_PASSPHRASE": "<YOUR_SCX_STATE_PASSPHRASE>",
        "SCX_STATE_DIR": "<YOUR_SCX_STATE_DIR>"
      }
    }
  }
}

Claude Code

claude mcp add stablecoinx-mcp --env SCX_STATE_PASSPHRASE=<YOUR_SCX_STATE_PASSPHRASE> --env SCX_STATE_DIR=<YOUR_SCX_STATE_DIR> -- npx -y @stablecoinx/mcp setup