When MCP Server
by whenlabs-orgio.github.WhenLabs-org/whenv0.12.3
Developer toolkit: stack detection for AI context files, port conflicts, .env schema validation, docs drift, dependency license audits and task timing.
context tax
queued
security
queued
cold start
queued
freshness
Slowing6mo ago
Install When MCP server
Install in Claude Code
claude mcp add when -- npx -y @whenlabs/whenInstall in Cursor
{
"mcpServers": {
"when": {
"command": "npx",
"args": [
"-y",
"@whenlabs/when"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"when": {
"command": "npx",
"args": [
"-y",
"@whenlabs/when"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"when": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@whenlabs/when"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"when": {
"command": "npx",
"args": [
"-y",
"@whenlabs/when"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Slowing — last maintenance signal 6mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-04-24 · 6mo ago · GitHub
Latest release
2026-04-21 · 6mo ago · GitHub · @whenlabs/when@0.12.3
Package published
no data · npm/PyPI
Registry entry updated
2026-04-21 · 6mo ago · official registry · v0.12.3
FAQ
›How do I install the When MCP server in Claude Code?
Run: claude mcp add when -- npx -y @whenlabs/when. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does When require an API key?
No required environment variables are declared in its published metadata.
›Can I use When as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is When in the official MCP registry?
Yes, as io.github.WhenLabs-org/when.
Alternatives to When
Other documentation MCP servers.
Context7ActiveContext7 MCP - Up-to-date Docs For Any Cursor Prompt
Context7ActiveUp-to-date code documentation for LLMs and AI code editors.
REAActiveReverse engineer anything from your terminal or agent with one CLI and MCP server.
DocsActiveProvides AI assistants with direct access to Mastra.ai's complete knowledge base.
AWS DocumentationActiveFetch, convert, and search AWS documentation pages, with recommendations for related content.
GitSlowingGeneric remote server that provides documentation for any GitHub repository or project.