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ai.circulara/plugin

Official registry AI and agents

Circulara Observe MCP plugin - meters your AI agents' token spend and carbon, free tier.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @circulara/plugin
Claude Code 
claude mcp add plugin -e 'CIRCULARA_BACKEND_URL=<CIRCULARA_BACKEND_URL>' -e 'CIRCULARA_TENANT_ID=<CIRCULARA_TENANT_ID>' -e 'CIRCULARA_TOKEN=<your circulara_token>' -e 'CIRCULARA_SEAT_ID=<CIRCULARA_SEAT_ID>' -e 'CIRCULARA_USER_ID=<CIRCULARA_USER_ID>' -- npx -y @circulara/plugin@0.1.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "plugin": {
            "command": "npx",
            "args": [
                "-y",
                "@circulara/plugin@0.1.2"
            ],
            "env": {
                "CIRCULARA_BACKEND_URL": "<CIRCULARA_BACKEND_URL>",
                "CIRCULARA_TENANT_ID": "<CIRCULARA_TENANT_ID>",
                "CIRCULARA_TOKEN": "<your circulara_token>",
                "CIRCULARA_SEAT_ID": "<CIRCULARA_SEAT_ID>",
                "CIRCULARA_USER_ID": "<CIRCULARA_USER_ID>"
            }
        }
    }
}

Environment variables

  • CIRCULARA_BACKEND_URL required Your Circulara Observe backend URL - copy from the Connect page after signing in at https://plugin.circulara.ai
  • CIRCULARA_TENANT_ID required Your workspace ID - from the Connect page
  • CIRCULARA_TOKEN required secret Your signed workspace token - from the Connect page (keep secret)
  • CIRCULARA_SEAT_ID required Your seat ID - from the Connect page
  • CIRCULARA_USER_ID required Your email / identity - from the Connect page

Frequently asked questions

What is ai.circulara/plugin?

Circulara Observe MCP plugin - meters your AI agents' token spend and carbon, free tier.

How do I install ai.circulara/plugin?

It runs on your machine. In Claude Code: claude mcp add plugin -e 'CIRCULARA_BACKEND_URL=<CIRCULARA_BACKEND_URL>' -e 'CIRCULARA_TENANT_ID=<CIRCULARA_TENANT_ID>' -e 'CIRCULARA_TOKEN=<your circulara_token>' -e 'CIRCULARA_SEAT_ID=<CIRCULARA_SEAT_ID>' -e 'CIRCULARA_USER_ID=<CIRCULARA_USER_ID>' -- npx -y @circulara/plugin@0.1.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does ai.circulara/plugin need an API key?

Yes. It expects CIRCULARA_BACKEND_URL, CIRCULARA_TENANT_ID, CIRCULARA_TOKEN, CIRCULARA_SEAT_ID, CIRCULARA_USER_ID, which you set in its configuration.

Is ai.circulara/plugin open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains ai.circulara/plugin?

It is published by CircularRoute. AI.tn lists it but does not maintain or endorse it.

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