AWS Infrastructure as Codevf.sr

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Validate CloudFormation templates, check compliance, debug failed deployments and search CDK and CloudFormation documentation.

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uvx awslabs.aws-iac-mcp-server@latest

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Works with AWS CloudFormation and the AWS CDK. It validates templates with cfn-lint, checks them against cfn-guard security rules, and analyzes failed stack deployments with CloudTrail deep links. It also searches CloudFormation and CDK documentation, finds CDK code samples and constructs, and returns CDK best practices.

Runs locally over stdio as a Python package started with uvx. No sign-in or API key is needed for validation, compliance checks and documentation tools. Deployment troubleshooting reads your stacks using your local AWS credentials.

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Validate CloudFormation templates with fix suggestions and line numbers
Check templates against cfn-guard security and compliance rules
Troubleshoot failed CloudFormation stack deployments
Search CloudFormation documentation and read full doc pages
Search CDK documentation, code samples and constructs
Get CDK best practices and pre-deploy validation instructions

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Validate this CloudFormation template and tell me what to fix.
Check my template for security and compliance issues.
Why did my CloudFormation stack my-app-stack fail in us-east-1?
Find a TypeScript CDK example for an encrypted S3 bucket.

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Claude Code

Run this in a terminal, in your project folder:

claude mcp add --transport stdio aws-iac -- uvx awslabs.aws-iac-mcp-server@latest

Start Claude Code and type /mcp. aws-iac should show as connected.

Add --scope user to make it available in every project.

Claude Desktop

Open Settings → Developer → Edit Config. It opens claude_desktop_config.json. Add:

claude_desktop_config.json

{
  "mcpServers": {
    "aws-iac": {
      "command": "uvx",
      "args": [
        "awslabs.aws-iac-mcp-server@latest"
      ]
    }
  }
}

Save the file and restart Claude Desktop.

Needs uv (Python) on your computer. The file lives in ~/Library/Application Support/Claude/ on macOS and %APPDATA%\Claude\ on Windows.

Cursor

Add to Cursor a11y.new_tab

Or add it by hand to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project):

mcp.json

{
  "mcpServers": {
    "aws-iac": {
      "command": "uvx",
      "args": [
        "awslabs.aws-iac-mcp-server@latest"
      ]
    }
  }
}

Needs uv (Python) on your computer.

VS Code

Install in VS Code a11y.new_tab

Or from a terminal:

code --add-mcp '{"name":"aws-iac","type":"stdio","command":"uvx","args":["awslabs.aws-iac-mcp-server@latest"]}'

Or commit it to the repo in .vscode/mcp.json:

.vscode/mcp.json

{
  "servers": {
    "aws-iac": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "awslabs.aws-iac-mcp-server@latest"
      ]
    }
  }
}

Needs uv (Python) on your computer.

Devin Desktop

Add it to ~/.config/devin/mcp_config.json (macOS and Linux) or %APPDATA%\devin\mcp_config.json (Windows):

mcp_config.json

{
  "mcpServers": {
    "aws-iac": {
      "command": "uvx",
      "args": [
        "awslabs.aws-iac-mcp-server@latest"
      ]
    }
  }
}

Refresh the MCP server list in Cascade.

Devin Desktop is the new name for Windsurf.

Codex

codex mcp add aws-iac -- uvx awslabs.aws-iac-mcp-server@latest

Or edit ~/.codex/config.toml directly:

config.toml

[mcp_servers.aws-iac]
command = "uvx"
args = ["awslabs.aws-iac-mcp-server@latest"]

Needs uv (Python) on your computer.

Gemini CLI

gemini mcp add aws-iac uvx awslabs.aws-iac-mcp-server@latest

This adds it to the current project. Add -s user to use it everywhere.

Any client

Most clients that start local servers accept this shape:

{
  "mcpServers": {
    "aws-iac": {
      "command": "uvx",
      "args": [
        "awslabs.aws-iac-mcp-server@latest"
      ]
    }
  }
}

Zed puts servers under context_servers in its settings, with the same command, args and env fields.

Needs uv (Python) on your computer.

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Can I paste mcp.tc/i/aws-iac into my MCP client?

No. AWS Infrastructure as Code runs on your own computer, started by your client, so it has no web address to connect to. The quick link is the page to share; the install command is uvx awslabs.aws-iac-mcp-server@latest.

Does AWS Infrastructure as Code need an API key?

No. It doesn't declare any keys or environment variables. It runs with your user account's permissions, so check what its tools can reach.

Is AWS Infrastructure as Code a remote or a local server?

Local. Your client starts it as a process on your computer with uvx awslabs.aws-iac-mcp-server@latest, which needs uv (Python).

What can AWS Infrastructure as Code do?

You can validate CloudFormation templates with fix suggestions and line numbers, check templates against cfn-guard security and compliance rules and troubleshoot failed CloudFormation stack deployments.

Which clients can use it?

Any client that starts local servers: Claude Code, Claude Desktop, Cursor, VS Code, Devin Desktop, Codex, Gemini CLI, Zed and others. claude.ai and ChatGPT only connect to remote servers.

Who wrote this page?

mcp.tc's robot read AWS Infrastructure as Code's public metadata (its package and repository pages), and an AI model drafted the text from it. A person reviews anything the checks can't confirm. The text can still be wrong, so if you spot a mistake, use Report this listing on this page.

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