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Superargs MCP Server

Provide AI MCP server args during runtime.

Local serverstdio

What is the Superargs MCP Server?

Provide AI MCP server args during runtime.

The short version

Args in the --stdio command are denoted by {{argName}}. For example:

  • Dynamic Arg Injection — Replace placeholders in your MCP server command with actual values during runtime
  • Customizable Tool Name — Rename the arg update tool via --update-args-tool-name to suit your workflow
  • Comprehensive MCP Support — Forwards all MCP requests to the child server, including tools, prompts, resources, messages, and roots
  • Change Notifications — Sends notifications like sendToolListChanged, sendPromptListChanged, and sendResourceUpdated when args are updated, ensuring connected clients are aware of changes

More MCP options

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Maintainer setup documentation.

How to install the Superargs MCP Server

{
  "mcpServers": {
    "superargs": {
      "command": "npx",
      "args": ["-y", "superargs"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
GITHUB_PERSONAL_ACCESS_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • “Use Superargs to Args.”

Frequently asked questions

Superargs lets you provide arguments (like tokens or file paths) to any MCP server during your interaction with an AI assistant, instead of during initial server setup.

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