mcpcost

io.github.ed-smartass/esmole-mcp

esmole

Is the esmole MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.

Elasticsearch 7.x/8.x with connections managed at runtime by the agent, SSH tunnels, readonly.

alive probed 2026-11-15 · unchanged since 2026-10-26

10tools
3.6ktokens in Claude Opus 5.5
1.8 %of Claude's 200k window
1.4×the median server
601 msto initialize
32 msto list tools
Run it
npx -y esmole-mcp@0.2.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
esmole-mcp 0.2.0
Capabilities
tools
Instructions
none
Of a 1M window
0.4 % of a 1M context window
Count
3.6k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 3.7k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
Repository
https://github.com/ed-smartass/esmole-mcp
Website
https://github.com/ed-smartass/esmole-mcp
Registry
active, updated 2026-10-25 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.83×.

Tool≈ Claude tokenso200k estimateShare of this server
update_connection82845323 %
es_search74240621 %
add_connection71339020 %
es_request49226914 %
es_get_mapping176965 %

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Servers that mention elasticsearch or connections.

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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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