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name: terraform description: Terraform infrastructure-as-code skills from HashiCorp. Covers HCL code generation with style conventions, testing with .tftest.hcl files, and module refactoring. Use when writing, reviewing, generating, or refactoring Terraform configurations, creating tests, or designing modules. metadata: author: HashiCorp source: https://github.com/hashicorp/agent-skills version: "1.0"

Terraform Skills

HashiCorp's official Terraform agent skills for infrastructure-as-code development.

Available Sub-Skills

Skill	File	Use When
Style Guide	terraform-style-guide-SKILL.md	Writing or reviewing Terraform HCL code
Testing	terraform-test-SKILL.md	Creating .tftest.hcl test files, writing assertions, mocking
Module Refactoring	refactor-module-SKILL.md	Transforming monolithic configs into reusable modules

Quick Reference

File Organization

File	Purpose
terraform.tf	Version requirements
providers.tf	Provider configurations
main.tf	Primary resources
variables.tf	Input variables (alphabetical)
outputs.tf	Output values (alphabetical)
locals.tf	Local values

Key Conventions

• Two spaces per indent, no tabs
• Lowercase with underscores for names
• Every variable needs type and description
• Every output needs description
• Prefer for_each over count
• Never hardcode credentials

Validation

terraform fmt -recursive
terraform validate

Source

From hashicorp/agent-skills - terraform code-generation and module-generation plugins.