mcpcost

io.github.chrischall/skylight-mcp

skylight-mcp

Is the io.github.chrischall/skylight-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.

Skylight Calendar for Claude — family events, chores, and rewards.

alive probed 2026-11-14 · unchanged since 2026-11-12

116tools
30ktokens in Claude Opus 5.5
14.8 %of Claude's 200k window
12×the median server
521 msto initialize
64 msto list tools
Run it
npx -y skylight-mcp@1.6.2 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
skylight-mcp 1.6.2
Capabilities
tools
Instructions
none
Of a 1M window
3.0 % of a 1M context window
Count
30k tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 31k. The o200k_base estimate is 17k. Counted again when the tool definitions change. Method.
Repository
https://github.com/chrischall/skylight-mcp
Registry
active, updated 2026-11-11 · registry entry
Changes
7 recorded, reachable in 7 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.

Tool≈ Claude tokenso200k estimateShare of this server
skylight_import_events_from_photo1 3597775 %
skylight_upload_photo1 3317615 %
skylight_update_meal1 1216414 %
skylight_update_event8174673 %
skylight_create_event8104633 %

Compare this server with others.

More servers

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

Servers that mention skylight or calendar or rewards.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-11-12 08:55alive373 ms11630k17k
2026-11-09 08:42alive383 ms11529k17k
2026-11-08 08:00alive283 ms11529k17k
2026-11-05 08:34alive390 ms11427k16k
2026-11-03 08:37alive328 ms11427k15k
2026-10-27 06:52alive212 ms11427k15k
2026-10-20 06:41alive521 ms11415k

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.

For the publisher