# When

> Use this tool when you need to streamline development workflows and ensure code quality by detecting documentation drift, validating environment variables, and monitoring performance. It solves problems related to port conflicts, license compliance, and AI context injection, providing a comprehensive suite of utility tools. With support for multiple editors via a single npm install, it offers a unified interface for inputs and outputs, making it ideal for developers working on complex projects.

Canonical page: https://skillsregistry.net/skills/whenlabs-when  
JSON: https://api.skillsregistry.net/v1/skills/whenlabs-when

## Description

When is a developer toolkit that bundles six utility tools into a single MCP server: Stale for documentation drift detection, Envalid for environment variable validation, Berth for port conflict resolution, Aware for AI context injection, Vow for license compliance checking, and Velocity for performance monitoring. Supports Cursor, VS Code, and Windsurf editors via a single npm install.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** monitoring
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/whenlabs-when)
- **Repository:** <https://github.com/whenlabs-org/when>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "whenlabs-when"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/whenlabs-when` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/whenlabs-when/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt