io.github.HasanGilani/knock

knock

Is the knock MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-04.

Code map and memory for AI coding agents: key functions, line ranges, callers, why code changed.

alive probed 2026-11-14 · unchanged since 2026-11-04

3tools

965tokens in Claude Opus 5.5

0.5 %of Claude's 200k window

0.4×the median server

1.7 sto initialize

26 msto list tools

Run it: uvx knock-mcp@0.2.0 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: knock 0.2.0
Capabilities: prompts, resources, tools
Instructions: 992 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 965 tokens in Claude Opus 5.5, exact, measured 2026-11-02. With the Claude Code prefix mcp__…__ on each tool name: 986. The o200k_base estimate is 567. Counted again when the tool definitions change. Method.
Repository: https://github.com/HasanGilani/knock
Website: https://github.com/HasanGilani/knock
Registry: active, updated 2026-11-03 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.70×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
map	361	212	37 %
remember	344	202	36 %
open	260	153	27 %

Other registry entries on pypi.org, the ones next to this name; all of them.

Servers that mention knock.

OGA Antibody Validation io.github.onlygoodantibodies/oga-antibodies · needs auth
io.github.KnockOutEZ/wigolo · crashed on start
three.ws Knock io.github.nirholas/knock-mcp · alive
NextArena Tournament Tools co.nextarena/tournament-tools · alive
7-0 MCP io.github.rocnubie/7-0-mcp · not probed
KnockWatch kr.co.knockwatch/coin-check · alive
Knocklog io.github.leonlesenechal/knocklog · alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.