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terraform-policy

terraform-policy is a skill for Claude Code from hashicorp/agent-skills. It costs 48 tokens per session (613 once invoked), scanned A, original, MPL-2.0.

A guide for writing, testing, and converting Terraform policy files. Terraform policies are rules that check whether infrastructure configurations meet requirements.

In plain words
What is it for?
Use it to create or debug .policy.hcl and .policytest.hcl files, convert Sentinel policies, or migrate a Sentinel policy library.
Why use it?
It helps choose the right policy format and avoid syntax or command-line incompatibilities between tfpolicy versions.

Skill for Claude Code ✓ vendor

Written for Claude Code: shipped in a Claude Code plugin.

Part of the terraform plugin — 16 skills shipped together

not rated 865repo +2 6d ago A scan Socket: passSnyk: warnSkillSpector: warn 48 tokens original MPL-2.0

Good fit Use it to create or debug .policy.hcl and .policytest.hcl files, convert Sentinel policies, or migrate a Sentinel policy library.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hashicorp/agent-skills/terraform-policy
View source ↗ hashicorp/agent-skills
About the project

HashiCorp Agent Skills is a collection of reusable instructions and plugins that help coding agents work with Terraform and Packer. Developers use it to add HashiCorp product workflows to supported coding-agent tools, either individually or as product bundles.

hashicorp/agent-skills · 865 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add hashicorp/agent-skills --skill terraform-policy
Clone the repo
git clone --depth 1 https://github.com/hashicorp/agent-skills

Made for: Claude Code.

Or install terraform, the plugin that ships this one along with the rest of its 16 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for terraform-policy

README.md
[![agentmods](https://agentmods.dev/badge/skills/hashicorp/agent-skills/terraform-policy/github.svg)](https://agentmods.dev/skills/hashicorp/agent-skills/terraform-policy)
Your own site
<a href="https://agentmods.dev/skills/hashicorp/agent-skills/terraform-policy"><img src="https://agentmods.dev/badge/skills/hashicorp/agent-skills/terraform-policy/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for terraform-policy

Your own site · 80×15
<a href="https://agentmods.dev/skills/hashicorp/agent-skills/terraform-policy"><img src="https://agentmods.dev/badge/skills/hashicorp/agent-skills/terraform-policy.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 613 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 26 Aug 2026
  • Snyk warn 26 Aug 2026
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 50
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 51
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.00613
Opus 5 $0.00024 $0.00307
Sonnet 5 $0.00010 $0.00123
Haiku 4.5 $0.00005 $0.00061

Measured 11d ago against content hash c88fa1b21fb0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

terraform-policy scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/terraform/skills/terraform-policy/SKILL.md · 53 lines

How it starts

The opening of the file, as written. The whole thing — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.

terraform-policy

UTILITY SKILL — INVOKES: tfpolicy-author | tfpolicy-test

USE FOR:

  • Writing a new .policy.hcl policy from a description or requirement
  • Converting a .sentinel policy to Terraform Policy
  • Writing or debugging a .policytest.hcl test file
  • Migrating a Sentinel policy library to Terraform Policy

Before giving authoring or testing instructions, check the installed tfpolicy CLI version and tailor guidance accordingly:

  • If the CLI is 0.1.x, do not require policy { required_providers { ... } }; generate policies compatible with tfpolicy 0.1.x syntax and behavior.
  • If the CLI is 0.2.0 or newer, include a top-level policy { required_providers { ... } } block when authoring .policy.hcl. It is mandatory for tfpolicy validate; version-range validation is best effort, and wildcard targets such as resource_policy "*" are not schema-validated.
  • If the CLI version is unknown, ask the user to check it first or provide guidance that clearly distinguishes the 0.1.x and 0.2.0+ paths.

DO NOT USE FOR:

  • Writing .tftest.hcl files for Terraform modules — use terraform-test
  • General Terraform HCL authoring — use terraform-style-guide

Routing

Task Sub-skill
Write or convert a .policy.hcl policy tfpolicy-author
Write or debug a .policytest.hcl test tfpolicy-test

Examples

Troubleshooting

  • Wrong skill triggered? Load the sub-skill directly from the routing table above.
npx skills add hashicorp/agent-skills/terraform/terraform-policy/skills/tfpolicy-author
npx skills add hashicorp/agent-skills/terraform/terraform-policy/skills/tfpolicy-test

Read the full file on GitHub · 53 lines

Files

What ships with it

54 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 53 lines · 48 tokens per session scan A c88fa1b21fb0

Subscribe to this mod's changes

terraform-policy is a skill published in the GitHub repository hashicorp/agent-skills (865 stars, last pushed 6d ago), licensed MPL-2.0. It adds 48 tokens to every session and 613 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Securitydoormat-managed
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