shellward

shellward is a local MCP server: AI agent security: 7 MCP tools for injection detection, PII scanning, command safety, DLP. Install it from npm as shellward.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add shellward -e SHELLWARD_MODE=... -e SHELLWARD_LOCALE=... -e SHELLWARD_THRESHOLD=... -- npx -y shellward

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "shellward": {
      "command": "npx",
      "args": [
        "-y",
        "shellward"
      ],
      "env": {
        "SHELLWARD_MODE": "...",
        "SHELLWARD_LOCALE": "...",
        "SHELLWARD_THRESHOLD": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: SHELLWARD_MODE, SHELLWARD_LOCALE, SHELLWARD_THRESHOLD