subgraph "Claude Desktop" Host --> MCPClient[MCP Client] end
Aws Cost Explorer MCP server exists for a simple reason — assistants are far more useful when they can act on Aws Cost Explorer directly instead of describing what you should do. subgraph "Claude Desktop" Host --> MCPClient[MCP Client] end.
This tool provides a convenient way to analyze and visualize AWS cloud spending data using Anthropic's Claude model as an interactive interface. It functions as an MCP server that exposes AWS Cost Explorer API functionality to Claude Desktop, allowing you to ask questions about your AWS spend in natural language.
Once Aws Cost Explorer is connected, these are the calls the assistant has available:
Prerequisites — The Prerequisites tool exposed by this serverYou will need 8 environment variables: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION, BEDROCK_LOG_GROUP_NAME, CROSS_ACCOUNT_ROLE_NAME, MCP_TRANSPORT, MCP_SERVER_URL, MCP_SERVER_PORT. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.
Plenty of cloud and infrastructure servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Aws Cost Explorer's toolset — Prerequisites — is a fair guide to whether it matches your workflow. It is maintained by aarora79; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| Prerequisites | The Prerequisites tool exposed by this server. |
{
"mcpServers": {
"aws-cost-explorer": {
"command": "docker",
"args": [ "run", "-i", "--rm", "-e", "AWS_ACCESS_KEY_ID", "-e", "AWS_SECRET_ACCESS_KEY", "-e", "AWS_REGION", "-e", "BEDROCK_LOG_GROUP_NAME", "-e", "MCP_TRANSPORT", "-e", "CROSS_ACCOUNT_ROLE_NAME", "aws-cost-explorer-mcp:latest" ],
"env": {
"AWS_ACCESS_KEY_ID": "YOUR_ACCESS_KEY_ID",
"AWS_SECRET_ACCESS_KEY": "YOUR_SECRET_ACCESS_KEY",
"AWS_REGION": "us-east-1",
"BEDROCK_LOG_GROUP_NAME": "YOUR_CLOUDWATCH_BEDROCK_MODEL_INVOCATION_LOG_GROUP_NAME",
"CROSS_ACCOUNT_ROLE_NAME": "ROLE_NAME_FOR_THE_ROLE_TO_ASSUME_IN_OTHER_ACCOUNTS",
"MCP_TRANSPORT": "stdio"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| AWS_ACCESS_KEY_ID | Credential the server authenticates with. | Yes |
| AWS_SECRET_ACCESS_KEY | Credential the server authenticates with. | Yes |
| AWS_REGION | Configuration value read at startup. | Optional |
| BEDROCK_LOG_GROUP_NAME | Configuration value read at startup. | Optional |
| CROSS_ACCOUNT_ROLE_NAME | Configuration value read at startup. | Optional |
| MCP_TRANSPORT | Configuration value read at startup. | Optional |
| MCP_SERVER_URL | Endpoint or connection string the server talks to. | Yes |
| MCP_SERVER_PORT | Configuration value read at startup. | Optional |
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