Carboncalc MCP Server

by cloudcorprecords Your server? Claim it

local only

Carboncalc runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 10 Nov 2026.

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

—

Installs / week

npm · @reneturcios/carboncalc

Stars

0 open issues

10 Nov 2026

Last commit

from GitHub

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Carboncalc every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add carboncalc -- npx -y @reneturcios/carboncalc

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "carboncalc": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/carboncalc"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.carboncalc]
command = "npx"
args = ["-y", "@reneturcios/carboncalc"]

.cursor/mcp.json

{
  "mcpServers": {
    "carboncalc": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/carboncalc"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "carboncalc": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/carboncalc"
      ]
    }
  }
}

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Carboncalc — questions

Answers built from our own checks of this server.

Why is there no uptime for Carboncalc?

Carboncalc runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @reneturcios/carboncalc.

How do I connect Carboncalc?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @reneturcios/carboncalc straight from npm; nothing to host, nothing to sign up for.

Is Carboncalc open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.