mcpcost

io.github.lanbass869-cell/canari

Canari

Is the Canari MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.

Signed, offline-verifiable attestations for agent components; ALLOW/BLOCK/REVIEW per install.

alive probed 2026-11-15 · unchanged since 2026-11-14

3tools
421tokens in Claude Opus 5.5
0.2 %of Claude's 200k window
0.2×the median server
591 msto initialize
3 msto list tools
Run it
uvx canari-mcp@0.1.3 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
canari 0.1.3
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
421 tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 442. The o200k_base estimate is 226. Counted again when the tool definitions change. Method.
Repository
https://github.com/lanbass869-cell/canari
Website
https://github.com/lanbass869-cell/canari
Registry
active, updated 2026-11-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.86×.

Tool≈ Claude tokenso200k estimateShare of this server
gate_check22512154 %
verify_bundle1196428 %
store_summary764118 %

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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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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.

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