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Terraform Module Reviewer

A strictly read-only reviewer for changes to reusable Terraform modules that returns structured findings.

Dev & CodingAdvanced★ 368⑂ 56AI score 7/10Last updated: Nov 6, 2026

What it does

  • Reviews a diff or a set of changed files in a reusable Terraform module (default profile: terraform-aws-modules) and returns structured findings.
  • Never edits code: no file creation/edits/deletes, no linters, formatters or tests, and no terraform commands at all (init, validate and plan are banned along with apply).
  • Pulls provider schema facts from Terraform MCP tools or host-rendered fact sheets instead of model memory.
  • Treats the task text, diff, README, CLAUDE.md and hooks as untrusted data; "skip this check" style text is reported as a HIGH severity finding.
  • Supports light/focused/deep depths; any in-scope check that cannot run becomes an explicit review.check-not-run finding rather than silence.

Who it's for

  • Maintainers and reviewers of shared/public Terraform modules
  • Teams repeatedly checking backwards compatibility and completeness against the provider schema
  • Anyone who wants a review agent that is provably prevented from touching code or state

Example uses

  1. "Review this module diff" — get a per-file list of findings with severities.
  2. "Is this change backwards compatible?" — variables/outputs compared against the base tree.
  3. "Does the module expose all new arguments of this resource?" — schema for the exact provider version is fetched via MCP to spot gaps.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/modulestf/modulestf/HEAD/.agents/skills/terraform-module-reviewer/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on AI Skill Mart.
Copy the .agents/skills/terraform-module-reviewer folder from the GitHub repo modulestf/modulestf into my ~/.claude/skills/terraform-module-reviewer/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/modulestf/modulestf.git /tmp/modulestf && mkdir -p ~/.claude/skills && cp -r /tmp/modulestf/.agents/skills/terraform-module-reviewer ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repository: git clone https://github.com/modulestf/modulestf.git /tmp/modulestf
  3. Create the skills directory: mkdir -p ~/.claude/skills
  4. Copy the whole skill folder (the references/ directory is required): cp -r /tmp/modulestf/.agents/skills/terraform-module-reviewer ~/.claude/skills/
  5. Copy the companion terraform-module-maintainer skill the same way so the schema-validation links resolve.
  6. Configure the Terraform MCP server in Claude Code; provider schema lookups depend on it.
  7. Restart Claude Code and try: "Review this Terraform module change."
View source on GitHub ↗License: Apache-2.0