io.github.mrfentmen/missoma-mcp

missoma-mcp

Is the io.github.mrfentmen/missoma-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

Query the Missoma catalog: search demi-fine jewelry, newest arrivals, enriched product details.

alive probed 2026-11-15 · unchanged since 2026-10-29

6tools

866tokens in Claude Opus 5.5

0.4 %of Claude's 200k window

0.3×the median server

275 msto initialize

7 msto list tools

Run it: npx -y missoma-mcp@1.0.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: missoma-mcp 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 866 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 938. The o200k_base estimate is 487. Counted again when the tool definitions change. Method.
Repository: https://github.com/mrfentmen/premium-mcps
Registry: active, updated 2026-10-17 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
search_products	194	109	22 %
list_newest	178	100	21 %
find_deals	155	87	18 %
price_overview	130	73	15 %
get_product	126	71	15 %

These registry entries have the same tool names and the same schema sizes.

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

Servers that mention arrivals or enriched.

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.