Sysknife vs When

In-depth architectural comparison of the Sysknife and When MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Sysknife when:

• You need dedicated capabilities in the Command Line domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• Primary tools included: 189 typed system administration actions, Risk-rated execution plans, One-time TTL approval receipts.

Explore Sysknife Details

Choose When when:

• You need dedicated capabilities in the Command Line domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Single MCP server exposing eight endpoints for six tools, Auto-detect stack and regenerate context files, Port conflict scanning.

Explore When Details

Feature & Specification Comparison

Specification	Sysknife lacs-project Command Line	When WhenLabs-org Command Line
Summary	Security-hardened MCP server for Linux system administration via 189 typed actions instead of shell strings, with an Ed25519-signed hash-chain audit log, one-time TTL approval receipts, and automatic rollback. Works with Claude Code, Cursor, and Codex CLI.	Developer toolkit: auto-detect stack for AI context files, catch port conflicts, validate .env schemas, spot docs drift, audit dependency licenses, and time coding tasks — 7 MCP tools, one install.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "lacs-project-sysknife": {
      "command": "npx",
      "args": [
        "-y",
        "sysknife-setup"
      ]
    }
  }
}

{
  "mcpServers": {
    "whenlabs-org-when": {
      "command": "npx",
      "args": [
        "-y",
        "@whenlabs/when"
      ]
    }
  }
}

Related MCP Server Comparisons