API
Rank #48,514com.greencalculus/api
Sourced carbon emission factors + audit-traced calculations an AI can cite.
API is a Model Context Protocol (MCP) server. It ranks #48,514 of 137,138 servers tracked on MCP Toplist. API is listed on Official MCP, with 4 tracked versions. It was first listed on Aug 12, 2026 and most recently updated on Sep 16, 2026.
Ranks ahead of 88,624 of 137,138 servers on MCP Toplist.
Use API
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add --transport http api https://mcp.greencalculus.com/claude mcp add api -e "GREENCALCULUS_API_KEY=<your GREENCALCULUS_API_KEY>" -- npx -y greencalculus-mcpReplace each placeholder with your own value before saving.
[mcp_servers.api]
url = "https://mcp.greencalculus.com/"Add to ~/.codex/config.toml.
[mcp_servers.api]
command = "npx"
args = ["-y", "greencalculus-mcp"]
[mcp_servers.api.env]
GREENCALCULUS_API_KEY = "<your GREENCALCULUS_API_KEY>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
https://mcp.greencalculus.com/Settings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"api": {
"command": "npx",
"args": [
"-y",
"greencalculus-mcp"
],
"env": {
"GREENCALCULUS_API_KEY": "<your GREENCALCULUS_API_KEY>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"api": {
"url": "https://mcp.greencalculus.com/"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"mcpServers": {
"api": {
"command": "npx",
"args": [
"-y",
"greencalculus-mcp"
],
"env": {
"GREENCALCULUS_API_KEY": "<your GREENCALCULUS_API_KEY>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"api": {
"type": "http",
"url": "https://mcp.greencalculus.com/"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"servers": {
"api": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"greencalculus-mcp"
],
"env": {
"GREENCALCULUS_API_KEY": "<your GREENCALCULUS_API_KEY>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"api": {
"serverUrl": "https://mcp.greencalculus.com/"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"api": {
"command": "npx",
"args": [
"-y",
"greencalculus-mcp"
],
"env": {
"GREENCALCULUS_API_KEY": "<your GREENCALCULUS_API_KEY>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"api": {
"url": "https://mcp.greencalculus.com/"
}
}
}{
"mcpServers": {
"api": {
"command": "npx",
"args": [
"-y",
"greencalculus-mcp"
],
"env": {
"GREENCALCULUS_API_KEY": "<your GREENCALCULUS_API_KEY>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/com.greencalculus%2Fapi)<a href="https://mcptoplist.com/server/com.greencalculus%2Fapi"><img src="https://mcptoplist.com/badge/com.greencalculus%2Fapi.svg" alt="MCP Toplist: Top 50% of 137,138" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry
Available versions (4)
| Version | Published |
|---|---|
| 1.0.4 | Sep 16, 2026 |
| 1.0.3 | Sep 10, 2026 |
| 1.0.2 | Sep 9, 2026 |
| 1.0.0 | Aug 12, 2026 |
Frequently asked questions
- Is API listed on the Official MCP Registry?
- Yes — API is listed on the Official MCP Registry.
- How many versions does API have?
- MCP Toplist tracks 4 versions of API, most recently published on Sep 16, 2026.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.