# ai.circulara/plugin

> ai.circulara/plugin — ai-circulara-plugin. Use this tool when you need to track and measure the environmental impact and token usage of your AI agents. The ai.circulara/plugin solves problems related to carbon footprint and cost optimization by providing a free tier to monitor and meter token spend and carbon emissions. It takes AI agent activity as input and outputs usage metrics, making it ideal for use cases where sustainability and cost control are crucial.

Canonical page: https://skillsregistry.net/skills/ai-circulara-plugin  
JSON: https://api.skillsregistry.net/v1/skills/ai-circulara-plugin

## Description

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

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 0.1.1
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-28

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/ai.circulara%2Fplugin)
- **Repository:** <https://github.com/CircularRoute/circulara-core>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "ai-circulara-plugin"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ai-circulara-plugin` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ai-circulara-plugin/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt