mcpcost

io.github.Arvo-AI/lastwords

lastwords

Is the lastwords MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.

Heap histograms, Go profiles, crash logs and core dumps from Kubernetes pods before they died.

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

4tools
1.0ktokens in Claude Opus 5.5
0.5 %of Claude's 200k window
0.4×the median server
512 msto initialize
6 msto list tools
Run it
docker run -i --rm ghcr.io/arvo-ai/lastwords:v0.1.6 (stdio, probed in a container with the network off)
Host
ghcr.io
Reports itself as
lastwords v0.1.6
Capabilities
logging, tools
Instructions
737 characters
Of a 1M window
0.1 % of a 1M context window
Count
1.0k tokens in Claude Opus 5.5, exact, measured 2026-11-04. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 599. Counted again when the tool definitions change. Method.
Repository
https://github.com/Arvo-AI/lastwords
Website
https://github.com/Arvo-AI/lastwords
Registry
active, updated 2026-11-11 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.72×.

Tool≈ Claude tokenso200k estimateShare of this server
lastwords_list_captures36921436 %
lastwords_read_file36020935 %
lastwords_watchlist1559015 %
lastwords_get_capture1488614 %

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mcpcost: alive

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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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