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Circulara Observe MCP plugin - meters your AI agents' token spend and carbon, free tier.
npx @getmcp/cli add ai.circulara/pluginRequires Node.js 18+. Community-contributed server. Review source before installing.
CIRCULARA_BACKEND_URLYour Circulara Observe backend URL - copy from the Connect page after signing in at https://plugin.circulara.ai
CIRCULARA_TENANT_IDYour workspace ID - from the Connect page
CIRCULARA_TOKENYour signed workspace token - from the Connect page (keep secret)
CIRCULARA_SEAT_IDYour seat ID - from the Connect page
CIRCULARA_USER_IDYour email / identity - from the Connect page
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"ai.circulara/plugin": {
"command": "npx",
"args": [
"-y",
"-p",
"@circulara/plugin",
"circulara-mcp",
"-y",
"@circulara/plugin"
],
"env": {
"CIRCULARA_BACKEND_URL": "",
"CIRCULARA_TENANT_ID": "",
"CIRCULARA_TOKEN": "",
"CIRCULARA_SEAT_ID": "",
"CIRCULARA_USER_ID": ""
}
}
}
}