GreenCalculus
About
Sourced carbon emission factors + audit-traced calculations an AI can cite.
Details
- Author
- jeremiahsay
- Categories
- Other, Security
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Setup
Install GreenCalculus in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/jeremiahsay/greencalculus-mcp
Follow the installation instructions in the repository README, then restart your MCP client.
Sourced greenhouse-gas emission factors and audit-traced carbon calculations, as an MCP server. Every value comes back with its exact source cell and a pinned data version — so an agent hands back a number a person can cite and a machine can reproduce, instead of a guess.
Probably not.The server is remote, and if your client speaks remote MCP you should point it straight at the URL — nothing to install, nothing to update:
{ "mcpServers": { "greencalculus": { "url": "https://mcp.greencalculus.com", "headers": { "Authorization": "Bearer YOUR_KEY" } } } }
This package exists for the clients that can only spawn a local stdio process, and fordocker runinstalls. It is a thin bridge: it forwards each JSON-RPC message to the remote server and returns the reply verbatim. No method is special-cased, so new tools appear here without a release.
{ "mcpServers": { "greencalculus": { "command": "npx", "args": ["-y", "greencalculus-mcp"], "env": { "GREENCALCULUS_API_KEY": "YOUR_KEY" } } } }
Or with Docker —-iis required and-tmust be omitted, because the container's stdin/stdoutarethe transport and a TTY corrupts the stream:
{ "mcpServers": { "greencalculus": { "command": "docker", "args": ["run", "-i", "--rm", "-e", "GREENCALCULUS_API_KEY", "greencalculus/mcp"], "env": { "GREENCALCULUS_API_KEY": "YOUR_KEY" } } } }
Get a free key athttps://greencalculus.com/developers— no card. Discovery (initialize,tools/list) works without one; calling a tool needs it.
Diagnostics go to stderr. Nothing but JSON-RPC is ever written to stdout — a stray byte there corrupts the session.
npm test # unit tests, no network node bin/greencalculus-mcp.js # reads JSON-RPC on stdin docker build -t greencalculus/mcp .
- REST APIand docs —https://greencalculus.com/developers
- Client SDKs(Python, JS/TS) —https://github.com/jeremiahsay/greencalculus-sdk
- Official MCP registry—com.greencalculus/api
- Smithery—https://smithery.ai/servers/greencalculus/api
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