SERVER

three.ws Knock

Rank #12,098

io.github.nirholas/knock-mcp

Reach a real person: quote their door, browse who is reachable, knock, and read the reply.

1 version

237 GitHub stars

by nirholas (95 servers)View repository ↗

First listed

Aug 28, 2026

Last publish date

Sep 30, 2026

PURPOSE

What you can do with three.ws Knock

three.ws Knock is a Model Context Protocol (MCP) server published by nirholas. It ranks #12,098 of 144,396 active servers on MCP Toplist, and its repository has 237 GitHub stars. three.ws Knock is listed on Official MCP, with 1 tracked version. It was first listed on Aug 28, 2026 and most recently updated on Sep 30, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What three.ws Knock can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using three.ws Knock

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

THREE_WS_API_KEY · optional
THREE_WS_BASE · optional
THREE_WS_TIMEOUT_MS · optional

INSTALLATION AND FIRST TASK

Connect three.ws Knock and confirm it works

npm package

claude mcp add knock-mcp -e "THREE_WS_API_KEY=<your THREE_WS_API_KEY>" -e "THREE_WS_BASE=<your THREE_WS_BASE>" -e "THREE_WS_TIMEOUT_MS=<your THREE_WS_TIMEOUT_MS>" -- npx -y @three-ws/knock-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.knock-mcp]
command = "npx"
args = ["-y", "@three-ws/knock-mcp"]

[mcp_servers.knock-mcp.env]
THREE_WS_API_KEY = "<your THREE_WS_API_KEY>"
THREE_WS_BASE = "<your THREE_WS_BASE>"
THREE_WS_TIMEOUT_MS = "<your THREE_WS_TIMEOUT_MS>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "knock-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/knock-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "<your THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<your THREE_WS_TIMEOUT_MS>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "knock-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/knock-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "<your THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<your THREE_WS_TIMEOUT_MS>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "knock-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/knock-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "<your THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<your THREE_WS_TIMEOUT_MS>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "knock-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/knock-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "<your THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<your THREE_WS_TIMEOUT_MS>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "knock-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/knock-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "<your THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<your THREE_WS_TIMEOUT_MS>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by nirholas

View all nirholas servers →

No task-specific alternatives are catalogued for three.ws Knockyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Aug 28, 2026
Latest version published: Sep 30, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Sep 30, 2026

Registry sightings

Official MCP ↗listed since Sep 30, 2026 · still listed

Do you maintain three.ws Knock? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
0.1.0	Sep 30, 2026

STANDING

#12,098of 144,396 active serversTop 10%

Ranks ahead of 132,298 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.nirholas%2Fknock-mcp.svg)](https://mcptoplist.com/server/io.github.nirholas%2Fknock-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.nirholas%2Fknock-mcp"><img src="https://mcptoplist.com/badge/io.github.nirholas%2Fknock-mcp.svg" alt="MCP Toplist: Top 10% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains three.ws Knock?: three.ws Knock is maintained by nirholas, which publishes 95 MCP servers (226 total versions) tracked on MCP Toplist.
Is three.ws Knock listed on the Official MCP Registry?: Yes — three.ws Knock is listed on the Official MCP Registry.
How many versions does three.ws Knock have?: MCP Toplist tracks 1 version of three.ws Knock, most recently published on Sep 30, 2026.
Where can I find the source code for three.ws Knock?: The source code for three.ws Knock is hosted at github.com/nirholas/three.ws.

Used in projects

Do you run this server?

Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.

EXPLORE

All MCP Servers Official MCP Servers GitHub MCP Servers Best MCP Servers Most Active MCP Servers New MCP Servers Best New MCP Servers