What is the key difference between When and Execkit?

When belongs to the Command Line category with local stdio execution, while Execkit belongs to the Command Line category with local stdio execution.

How do I install When or Execkit in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are When and Execkit free or paid?

When operates under a Free / Open Source model (No auth required). Execkit operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

When lists 6 tools with 2 views and 3 GitHub stars. Execkit lists 6 tools with 3 views and 7 GitHub stars.

Can I use both When and Execkit together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

When vs Execkit

In-depth architectural comparison of the When and Execkit 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.

At a Glance & Executive Verdict

When

Command Line · Local stdio

Quality: 56/100 (Good) | Auth: No auth required

Execkit

Command Line · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Verdict Summary: Choose When if you need specialized Command Line tools running via a local process. Choose Execkit if your workspace requires Command Line integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

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

Choose Execkit 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: session_checkpoint, session_checkpoints, session_create.

Explore Execkit Details

Feature & Specification Comparison

Specification	When WhenLabs-org Command Line	Execkit blinkingbit-oss Command Line
Summary	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.	Stateful, structured, auditable shell sessions for AI agents over local, SSH, and Docker. Secret redaction, output budgeting, SSH host-key verification, and a loopback read-only browser viewer that streams the live transcript.
Category & Scope

Tools & Capabilities Breakdown

When Tools (6)

Single MCP server exposing eight endpoints for six tools

Auto-detect stack and regenerate context files

Port conflict scanning

Schema validation for .env files

Documentation drift detection

Dependency license scanning and policy validation

Execkit Tools (6)

session_checkpoint

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).

When Configuration

mcpServers (Claude Desktop / Cursor)

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

Execkit Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "blinkingbit-oss-execkit": {
      "command": "uvx",
      "args": [
        "execkit-mcp"
      ]
    }
  }
}

Frequently Asked Questions

When is categorized under Command Line and uses a local stdio subprocess. In contrast, Execkit belongs to Command Line using local stdio subprocess. Select When when you need capabilities focused on command line and Execkit when you require tools for command line.

More alternatives to When More alternatives to Execkit Command Line category hub Canonical compare URL