mcpcost

io.github.basphere/ratatosk-mcp

ratatosk

Is the io.github.basphere/ratatosk-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

CNCF release intelligence: typed changes from release notes; check_stack compares versions locally.

alive probed 2026-11-15 · unchanged since 2026-10-31

7tools
3.6ktokens in Claude Opus 5.5
1.8 %of Claude's 200k window
1.4×the median server
266 msto initialize
2 msto list tools
Run it
docker run -i --rm ghcr.io/basphere/ratatosk-mcp:0.10.0 (stdio, probed in a container with the network off)
Host
ghcr.io
Reports itself as
ratatosk 0.10.0
Capabilities
logging, tools
Instructions
925 characters
Of a 1M window
0.4 % of a 1M context window
Count
3.6k tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 3.7k. The o200k_base estimate is 2.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/basphere/ratatosk-mcp
Website
https://ratatosk.io
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, 1.57×.

Tool≈ Claude tokenso200k estimateShare of this server
check_stack1 39488939 %
list_changes57236516 %
get_release43928012 %
list_projects3252079 %
get_matter3152019 %

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Same tool set as 1 other server

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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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