mcpcost

io.github.luizfnsilva/closure_drift

closure_drift

Is the closure_drift MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.

Before an agent tags a release: does that version label already name different code in the git tags?

alive probed 2026-11-14

4tools
1.1ktokens in Claude Opus 5.5
0.6 %of Claude's 200k window
0.4×the median server
631 msto initialize
1 msto list tools
Run it
docker run -i --rm ghcr.io/luizfnsilva/closure_drift:1.8.1 (stdio, probed in a container with the network off)
Host
ghcr.io
Reports itself as
closure_drift 1.8.1
Capabilities
tools
Instructions
none
Of a 1M window
0.1 % of a 1M context window
Count
1.1k tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 733. Counted again when the tool definitions change. Method.
Repository
https://github.com/luizfnsilva/closure_drift
Registry
active, updated 2026-11-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.50×.

Tool≈ Claude tokenso200k estimateShare of this server
check_versions31320828 %
compare29919927 %
explain_label27418225 %
would_tag21614420 %

Compare this server with others.

More servers

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

Servers that mention closure.

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mcpcost: 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.

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A mail when this server changes

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

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