harmful
npxBasicMost [MCP servers](https://github.com/modelcontextprotocol/servers) suggest using `npx -y` as the recommended way to install a server. This downloads and executes arbitrary scripts from the internet. This is grossly insecure and I think the MCP authors sh
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Overview
Most [MCP servers](https://github.com/modelcontextprotocol/servers) suggest using `npx -y` as the recommended way to install a server. This downloads and executes arbitrary scripts from the internet. This is grossly insecure and I think the MCP authors sh
Installation
1Install the package
npx
npx -y @considered/harmful2Add to Claude
Add this configuration to your claude_desktop_config.json:
claude_desktop_config.json
{
"mcpServers": {
"considered-harmful-npm": {
"command": "npx",
"args": [
"-y",
"npx -y @considered/harmful"
]
}
}
}3Verify installation
Restart Claude Desktop, then ask:
"What tools do you have available from harmful?"
Prerequisites
- Node.js 18 or higher
- npm or npx available
- Claude Desktop or Claude API access
- API key for harmful
Configuration
API Key Required
This server requires an API key from harmful. Add it to your environment or config.
| Variable | Required | Description |
|---|---|---|
| HARMFUL_API_KEY | Yes | Your harmful API key |
Usage Examples
List Resources
"What resources are available in harmful?"
Claude will query available resources and return a list of what you can access.
Get Details
"Show me details about [specific item] in harmful"
Claude will fetch and display detailed information about the requested item.
Create New
"Create a new [item] in harmful with [details]"
Claude will use the appropriate tool to create the resource and confirm success.
Works with harmful
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