mcpcost

io.github.syncky/syncky-health

Syncky Health

Is the Syncky Health MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-15.

Apple Health data, end-to-end encrypted between iPhone and local Syncky agent, allowed write-back

alive probed 2026-11-15

5tools
839tokens in Claude Opus 5.5
0.4 %of Claude's 200k window
0.3×the median server
766 msto initialize
4 msto list tools
Run it
npx -y @syncky/agent@0.1.5 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
syncky-agent 0.1.5
Capabilities
resources, tools
Instructions
199 characters
Of a 1M window
<0.1 % of a 1M context window
Count
839 tokens in Claude Opus 5.5, exact, measured 2026-11-07. With the Claude Code prefix mcp__…__ on each tool name: 889. The o200k_base estimate is 443. Counted again when the tool definitions change. Method.
Repository
https://github.com/syncky/syncky-open
Website
https://syncky.app/agents
Registry
active, updated 2026-11-14 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.89×.

Tool≈ Claude tokenso200k estimateShare of this server
syncky_inbox28815234 %
syncky_send24613029 %
syncky_ack1256615 %
syncky_skill985212 %
syncky_status814310 %

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

Servers that mention health.

Badge for the README

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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