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manikanta-sadurla merged 2 commits into from
Jun 24, 2026
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docs: add ARC IaC MCP tip callout and AI assistant integration section to README #17

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docs: add ARC IaC MCP integration section to README
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Expand Up @@ -15,6 +15,9 @@

[![Quality gate](https://sonarcloud.io/api/project_badges/quality_gate?project=sourcefuse_terraform-aws-arc-github-runner)](https://sonarcloud.io/summary/new_code?id=sourcefuse_terraform-aws-arc-github-runner)

> [!TIP]
> 🤖 **New:** Use this module with AI assistants via the [ARC IaC MCP Server](https://github.com/sourcefuse/arc-iac-mcp) — search, scaffold, and security-scan ARC modules from natural language. [Quick setup ↓](#ai-assistant-integration-arc-iac-mcp)

## Overview

Deploys a self-hosted GitHub Actions runner on an EC2 instance with auto-registration, SSM access, and configurable labels.
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go test -timeout 30m
```

## AI Assistant Integration (ARC IaC MCP)

The **[ARC IaC MCP Server](https://github.com/sourcefuse/arc-iac-mcp)** is a hosted Model Context Protocol service that lets AI assistants browse, search, scaffold, compare, and security-scan any of the SourceFuse ARC Terraform modules — directly from natural language.

**What you can do with it:**

- **Discover** — search and filter modules by keyword or AWS resource type.
- **Understand** — get inputs, outputs, and resources for any module without leaving your editor.
- **Scaffold** — generate production-ready, multi-file Terraform with cross-module wiring already done.
- **Secure** — scan generated or existing HCL for misconfigurations before it hits a PR.
- **Compare** — diff modules side-by-side to make informed architectural decisions.

### Setup (one minute)

The MCP endpoint is `https://arc-iac-mcp.sourcef.us/mcp`. Pick your client:

**Claude Code CLI:**
```bash
claude mcp add arc-iac --transport http https://arc-iac-mcp.sourcef.us/mcp
```

**Claude Desktop** — edit `~/Library/Application Support/Claude/claude_desktop_config.json`:
```json
{
"mcpServers": {
"arc-iac": {
"url": "https://arc-iac-mcp.sourcef.us/mcp"
}
}
}
```

**Cursor / Windsurf / Kiro** — add the same block to `.cursor/mcp.json` (or the equivalent for your client).

### Example prompts to try

- *"List all ARC modules sorted by downloads"*
- *"What inputs does `arc-ecs` require?"*
- *"Scaffold a production-ready `arc-db` Aurora setup with Secrets Manager"*
- *"Compare `arc-eks` and `arc-ecs` for running 10 microservices"*
- *"Scan this Terraform before I raise a PR: `<paste HCL>`"*

See the [ARC IaC MCP repo](https://github.com/sourcefuse/arc-iac-mcp) for the full tool reference, troubleshooting tips, and local-development instructions.

## Contributing

See [CONTRIBUTING.md](./CONTRIBUTING.md) for commit conventions and development setup.
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