# Cost Explorer MCP Server

> Use this tool when you need to analyze and optimize AWS costs across multiple accounts, as it provides detailed cost and usage insights, supports role assumption, and offers features like cost comparison, forecasting, and anomaly detection. It takes AWS account data as input and outputs actionable cost optimization recommendations. Ideal for managing and reducing AWS expenses in complex, multi-account environments.

Canonical page: https://skillsregistry.net/skills/emmachillonb-cost-optimizer  
JSON: https://api.skillsregistry.net/v1/skills/emmachillonb-cost-optimizer

## Description

Enables analysis of AWS costs and usage through the AWS Cost Explorer API, supporting multi-account architectures with role assumption and cost comparison, forecasting, and anomaly detection.

## Trust

- **Trust score (0–1):** 0.37
- **Verification tier:** scanned
- **Last scanned:** 2026-08-31

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** cloud-infra
- **Updated:** 2026-08-31

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/er3ax2qy70)
- **Repository:** <https://github.com/EmmaChillonB/cost-optimizer>

## 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": "emmachillonb-cost-optimizer"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/emmachillonb-cost-optimizer` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/emmachillonb-cost-optimizer/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