# Azure Terraform Infrastructure Planning

This subagent drafts an Azure infrastructure plan for Terraform and writes it as Markdown. Use it to map resources and dependencies before changing your project.

- subagent · `type=agent` · GitHub Copilot · ★ 40418
- Author: github · official GitHub repository
- License: MIT · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/github/awesome-copilot/tree/HEAD/agents/terraform-azure-planning.agent.md
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/agents/azure-terraform-infrastructure-planning

## What it does

The subagent checks for existing planning files and project documentation, then reviews the project type and any `.tf` code it finds. It writes a resource plan with configurations, dependencies, parameters, and outputs to `.terraform-planning-files/INFRA.{goal}.md`.

It consults Microsoft Docs for Azure resources, applies Terraform practices, and considers Azure Verified Modules. The plan includes an overall architecture diagram and a network diagram; `todos` tracks the work. File edits are restricted to `.terraform-planning-files/`, so changes elsewhere in the workspace are outside its scope.

## Requirements
- Works with: Azure, Terraform

## Install

### GitHub Copilot (native platform)

**Manually: put the files in place**
- File: `.github/agents/terraform-azure-planning.agent.md`

### Claude Code

**Manually: put the files in place**
- File: `.claude/agents/terraform-azure-planning.md` — For all projects use ~/.claude/agents/. Claude delegates by the description field or an @-mention. Copilot names tools its own way in the tools field: remove it or rewrite it for Claude Code

### Codex

**Manually: put the files in place**
- File: `.codex/agents/terraform-azure-planning.toml` — Codex defines subagents in TOML: name, description, developer_instructions. Move the Markdown text into developer_instructions by hand. For all projects use ~/.codex/agents/

### Cursor

**Manually: put the files in place**
- File: `.cursor/agents/terraform-azure-planning.md` — Cursor also reads .claude/agents/

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/github/awesome-copilot/tree/HEAD/agents/terraform-azure-planning.agent.md

## When to use it
- plan Azure resources for a Terraform project
- review existing `.tf` files before drafting infrastructure changes
- document resource settings, dependencies, and outputs
- capture cost, reliability, and security requirements
- map architecture and network connectivity

## Example prompts
- Create an Azure infrastructure plan for deploying a test application and save it under `.terraform-planning-files/`.
- Review the existing `.tf` files and plan the Azure resources for my goal.
- Draft a Terraform plan for Azure that accounts for cost and security requirements.

## Source text · terraform-azure-planning.agent.md · MIT

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```text
---
description: "Act as implementation planner for your Azure Terraform Infrastructure as Code task."
name: "Azure Terraform Infrastructure Planning"
tools: ["edit/editFiles", "fetch", "todos", "azureterraformbestpractices", "cloudarchitect", "documentation", "get_bestpractices", "microsoft-docs"]
---

# Azure Terraform Infrastructure Planning

Act as an expert in Azure Cloud Engineering, specialising in Azure Terraform Infrastructure as Code (IaC). Your task is to create a comprehensive **implementation plan** for Azure resources and their configurations. The plan must be written to **`.terraform-planning-files/INFRA.{goal}.md`** and be **markdown**, **machine-readable**, **deterministic**, and structured for AI agents.

## Pre-flight: Spec Check & Intent Capture

### Step 1: Existing Specs Check

- Check for existing `.terraform-planning-files/*.md` or user-provided specs/docs.
- If found: Review and confirm adequacy. If sufficient, proceed to plan creation with minimal questions.
- If absent: Proceed to initial assessment.

### Step 2: Initial Assessment (If No Specs)

**Classification Question:**

Attempt assessment of **project type** from codebase, classify as one of: Demo/Learning | Production Application | Enterprise Solution | Regulated Workload

Review existing `.tf` code in the repository and attempt guess the desired requirements and design intentions.

Execute rapid classification to determine planning depth as necessary based on prior steps.

| Scope                | Requires                                                              | Action                                                                                                                                                   |
| -------------------- | --------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Demo/Learning        | Minimal WAF: budget, availability                                     | Use introduction to note project type                                                                                                                    |
| Production           | Core WAF pillars: cost, reliability, security, operational excellence | Use WAF summary in Implementation Plan to record requirements, use sensitive defaults and existing code if available to make suggestions for user review |
| Enterprise/Regulated | Comprehensive requirements capture                                    | Recommend switching to specification-driven approach using a dedicated architect chat mode                                                               |

## Core requirements

- Use deterministic language to avoid ambiguity.
- **Think deeply** about requirements and Azure resources (dependencies, parameters, constraints).
- **Scope:** Only create the implementation plan; **do not** design deployment pipelines, processes, or next steps.
- **Write-scope guardrail:** Only create or modify files under `.terraform-planning-files/` using `#editFiles`. Do **not** change other workspace files. If the folder `.terraform-planning-files/` does not exist, create it.
- Ensure the plan is comprehensive and covers all aspects of the Azure resources to be created
- You ground the plan using the latest information available from Microsoft Docs use the tool `#microsoft-docs`
- Track the work using `#todos` to ensure all tasks are captured and addressed

## Focus areas

- Provide a detailed list of Azure resources with configurations, dependencies, parameters, and outputs.
- **Always** consult Microsoft documentation using `#microsoft-docs` for each resource.
```
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