mcpcost

io.github.CloudCorpRecords/carboncalc

carboncalc

Is the io.github.CloudCorpRecords/carboncalc MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-10.

Sourced emission factors and carbon calculations: activity, freight, spend, travel, PCAF.

alive probed 2026-11-14 · unchanged since 2026-11-10

12tools
4.4ktokens in Claude Opus 5.5
2.2 %of Claude's 200k window
1.8×the median server
214 msto initialize
6 msto list tools
Run it
npx -y @reneturcios/carboncalc@0.1.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
carboncalc 0.1.0
Capabilities
tools
Instructions
none
Of a 1M window
0.4 % of a 1M context window
Count
4.4k tokens in Claude Opus 5.5, exact, measured 2026-11-10. With the Claude Code prefix mcp__…__ on each tool name: 4.5k. The o200k_base estimate is 2.6k. Counted again when the tool definitions change. Method.
Repository
https://github.com/CloudCorpRecords/carboncalc
Registry
active, updated 2026-11-10 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.

Tool≈ Claude tokenso200k estimateShare of this server
resolve_factor84350519 %
calculate_freight61336714 %
explain_absence50430211 %
calculate_electricity3472088 %
search_factors3001807 %

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mcpcost: alive

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