terraform-policy
Write, test, or convert Terraform Policy files (.policy.hcl, .policytest.hcl, Sentinel→tfpolicy). Triggers: policy.hcl, policytest, convert sentinel, tfpolicy, write a policy.
- Installs
- 1.5K
- Last 24h
- +18
- Trending rank
- #6247
- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/hashicorp/agent-skills --skill terraform-policy- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads terraform-policy automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
terraform-policy
UTILITY SKILL — INVOKES: tfpolicy-author | tfpolicy-test
USE FOR:
- Writing a new
.policy.hclpolicy from a description or requirement - Converting a
.sentinelpolicy to Terraform Policy - Writing or debugging a
.policytest.hcltest 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. This skill maintains guidance for the two most recent minor lines, 0.2.x and 0.3.x; when a new minor ships, drop the oldest line and add the new one.
- If the CLI is
0.2.x(baseline), include a top-levelpolicy { required_providers { ... } }block when authoring.policy.hclfiles containing resource or provider policies. It is mandatory fortfpolicy validate; version-range validation is best effort, and wildcard targets such asresource_policy "*"are not schema-validated.tfpolicy testdoes not preflight mockedattrs/prior_attrsagainst provider schemas,core::alltrue/core::anytruedo not exist, and, only in this0.2.xline, mockresource {}blocks may omitattrs/prior_attrsentirely. - If the CLI is
0.3.xor newer, the other guidance above still applies, but the0.2.xallowance for omitting resource state does not: every mockresource {}block in.policytest.hclfiles must declareattrsorprior_attrs; if both evaluate to empty, the test case is skipped (provider {}andmodule {}mocks are unaffected) (see tfpolicy-test).tfpolicy testreuses the target.policy.hcl's existing top-levelpolicy { required_providers { ... } }block (there is no separate.policytest.hcl-level declaration) to validate provider, resource, and data-source policies andcore::getdatasource()/core::getresources()arguments against resolved provider schemas before any test runs, failing the whole run on a schema mismatch (see tfpolicy-test).core::alltrue(list)andcore::anytrue(list)are also available — prefer them over thecore::length()list-comprehension workaround (see tfpolicy-author).meta.tfe_stackandmeta.tfe_workspace.tagsare available to resource, provider, and module policies; Stack fields are empty outside Stack evaluations. - If the CLI version is unknown, ask the user to check it first or provide guidance that clearly distinguishes the
0.2.xand0.3.xpaths.
DO NOT USE FOR:
- Writing
.tftest.hclfiles for Terraform modules — useterraform-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
- "Block EC2 instances without encryption" → tfpolicy-author
- "Convert this Sentinel policy to tfpolicy" → tfpolicy-author
- "Write a policytest for my EBS policy" → tfpolicy-test
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
FAQ
What does the terraform-policy skill do?
Write, test, or convert Terraform Policy files (.policy.hcl, .policytest.hcl, Sentinel→tfpolicy). Triggers: policy.hcl, policytest, convert sentinel, tfpolicy, write a policy.
How do I install terraform-policy?
Run npx skills add https://github.com/hashicorp/agent-skills --skill terraform-policy in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/terraform-policy/ (personal) or .claude/skills/terraform-policy/ (project).
Which AI agents can use terraform-policy?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is terraform-policy safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains terraform-policy?
It is published by hashicorp in hashicorp/agent-skills. It has 1,495 recorded installs.
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