three.ws Knock MCP Server
by nirholasio.github.nirholas/knock-mcpv0.1.0
Reach a real person: quote their door, browse who is reachable, knock, and read the reply.
context tax
queued
security
queued
cold start
queued
freshness
Active2d ago
Install three.ws Knock MCP server
Install in Claude Code
claude mcp add knock -e THREE_WS_API_KEY='<three-ws-api-key>' -- npx -y @three-ws/knock-mcpInstall in Cursor
{
"mcpServers": {
"knock": {
"command": "npx",
"args": [
"-y",
"@three-ws/knock-mcp"
],
"env": {
"THREE_WS_API_KEY": "<three-ws-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"knock": {
"command": "npx",
"args": [
"-y",
"@three-ws/knock-mcp"
],
"env": {
"THREE_WS_API_KEY": "<three-ws-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"knock": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@three-ws/knock-mcp"
],
"env": {
"THREE_WS_API_KEY": "<three-ws-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"knock": {
"command": "npx",
"args": [
"-y",
"@three-ws/knock-mcp"
],
"env": {
"THREE_WS_API_KEY": "<three-ws-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| THREE_WS_API_KEY | — | yes | A three.ws API key (sk_live_… / sk_test_…) or OAuth access token. Optional: needed only for knock_inbox and knock_act, which manage your own door. Quoting, browsing, knocking and reading a receipt all work without it. Treat like a password. |
| THREE_WS_BASE | — | — | Base URL of the three.ws API. Override only when self-hosting or targeting a preview deployment. |
| THREE_WS_TIMEOUT_MS | — | — | Per-request timeout in milliseconds. |
Freshness
Active — last maintenance signal 2d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
2026-09-30 · 10d ago · GitHub · v1.5.2
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v0.1.0
FAQ
›How do I install the three.ws Knock MCP server in Claude Code?
Run: claude mcp add knock -e THREE_WS_API_KEY='<three-ws-api-key>' -- npx -y @three-ws/knock-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does three.ws Knock require an API key?
Yes. It expects THREE_WS_API_KEY, of which 1 is a secret.
›Can I use three.ws Knock as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is three.ws Knock in the official MCP registry?
Yes, as io.github.nirholas/knock-mcp.