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GreenCalculus
Emission factors and carbon calculations by API and MCP, each returning its exact source reference. Plus free calculators and an open, citable reference.
https://greencalculus.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
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https://mcp.greencalculus.comWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 18, 2026 · mcp.greencalculus.com
12tools discovered
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Lookup Factor
lookup_factorLook up a single greenhouse-gas emission factor by its canonical key. Returns the value plus an audit envelope: provenance (publisher, exact source reference, retrieval date, LICENCE and whether it may be redistributed, with the attribution the licence requires) and verification (whether the per-gas components sum to the headline, the GWP set, and the source note stating what the publisher did NOT provide). If the key does not exist you get candidate keys back rather than a dead end. Use search_
Description may be truncated on the public preview.
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Directory coverage for brandsEmission factors and carbon calculations by API and MCP, each returning its exact source reference. Plus free calculators and an open, citable reference.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
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This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
Other MCP servers in this category from the directory index
MCPBundles probed 12 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.
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