mcpcost

io.github.sp0oby/zkshare

ZKshare

Is the ZKshare MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

ZKshare stdio MCP: store/prove/share, semantic search, sandbox proxy to HTTPS /api/v1/context.

alive probed 2026-11-14 · unchanged since 2026-10-30

6tools
1.4ktokens in Claude Opus 5.5
0.7 %of Claude's 200k window
0.5×the median server
335 msto initialize
10 msto list tools
Run it
npx -y zkshare-mcp@1.0.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
zkshare 1.0.1
Capabilities
tools
Instructions
300 characters
Of a 1M window
0.1 % of a 1M context window
Count
1.4k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 1.4k. The o200k_base estimate is 734. Counted again when the tool definitions change. Method.
Repository
https://github.com/sp0oby/zkShare
Website
https://zkshare.io/docs
Registry
active, updated 2026-04-30 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.84×.

Tool≈ Claude tokenso200k estimateShare of this server
zkshare_share27815121 %
zkshare_store25113619 %
zkshare_sandbox24313218 %
zkshare_prove24113118 %
zkshare_search20411115 %

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

Servers that mention semantic or sandbox.

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

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