Terraform and OpenTofu Guide
agentscope-ai/QwenPaw
Guidance for writing and testing Terraform and OpenTofu code: module structure, naming, test approaches, CI/CD workflows, state handling and security scanning.
Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns.
Install Terraform Best Practices
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install c0x12c/ai-toolkit terraform-best-practices --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/terraform-best-practices .claude/skills/terraform-best-practices && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .claude/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practicesType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install c0x12c/ai-toolkit terraform-best-practices --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.codex/skills/terraform-best-practices .agents/skills/terraform-best-practices && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .agents/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install c0x12c/ai-toolkit terraform-best-practices --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.codex/skills/terraform-best-practices .cursor/skills/terraform-best-practices && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .cursor/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/c0x12c/ai-toolkit.git --path .codex/skills/terraform-best-practices--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install c0x12c/ai-toolkit terraform-best-practices --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.codex/skills/terraform-best-practices .gemini/skills/terraform-best-practices && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .gemini/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install c0x12c/ai-toolkit terraform-best-practicesInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .github/skills && cp -r skills-src/.codex/skills/terraform-best-practices .github/skills/terraform-best-practices && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .github/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install c0x12c/ai-toolkit terraform-best-practices --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.codex/skills/terraform-best-practices .opencode/skills/terraform-best-practices && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "terraform-best-practices" agent skill from https://github.com/c0x12c/ai-toolkit/tree/master/.codex/skills/terraform-best-practices into .opencode/skills/terraform-best-practices/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "terraform-best-practices", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
terraform-best-practices- GitHub stars
- 106
- Token cost
- ~1.6k tokens
- SKILL.md length
- 149 words
- Files
- 1
- Skills in repo
- 33
- Repo updated
- First seen
- Licence
- None found
At a glance
Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns.
- Reviewing Terraform code
- SKILL.md covers File Organization, Naming, Module Patterns and State Management, plus 4 more sections
- Calls terraform; reaches github.com
- Tasks that involve Infrastructure as code
What it does
Terraform Best Practices is an agent skill from c0x12c/ai-toolkit. Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns. Use when writing or reviewing Terraform code.
Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in DevOps & Cloud, covering Infrastructure as code and File organization. It works with Terraform.
When your agent uses it
- Reviewing Terraform code
- Tasks that involve Infrastructure as code
- Tasks that involve File organization
Example prompts
- “/terraform-best-practices”
What it can do on your machine
Read from SKILL.md and the folder at commit 96b2c9d. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
terraform
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
github.com
Also links to:
registry.terraform.io
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Terraform Best Practices loads about 1.6k tokens when it runs. Until then it costs about 49 tokens; SKILL.md has 149 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 149 words (~1,650 tokens).
“Use modules from the c0x12c Terraform Registry. Each module source follows c0x12c/{name}/aws — see the registry for available modules and versions.”
- name
- terraform-best-practices
Files
Just SKILL.md in .codex/skills/terraform-best-practices of c0x12c/ai-toolkit.
Open the folder on GitHubat commit 96b2c9d
Compare with similar skills
Terraform Best Practices next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Terraform Best Practices this skillc0x12c/ai-toolkit | 106 | — | ~1.6k | Automated safety check: Pass | None | |
| Terraform and OpenTofu Guideagentscope-ai/QwenPaw | 36k | 6 repos | ~4.2k | Automated safety check: Pass | Apache-2.0 | |
| Terraform Skillantonbabenko/terraform-skill | 2.4k | 1 repos | ~5.1k | Automated safety check: Pass | Apache-2.0 | |
| Review Docshashicorp/terraform-provider-aws | 11k | — | ~1.3k | Automated safety check: Pass | MPL-2.0 | |
| Senior DevOps Toolkitmaslennikov-ig/claude-code-orchestrator-kit | 260 | 6 repos | ~1.1k | Automated safety check: Notes | Custom licence | |
| Cloudflarehodgef/apiker | 127 | 7 repos | ~2.2k | Automated safety check: Pass | MIT |
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Questions about Terraform Best Practices
What does Terraform Best Practices do?
Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns. Terraform Best Practices is an agent skill from c0x12c/ai-toolkit. Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns.
When should I use Terraform Best Practices?
Terraform Best Practices fits situations like: reviewing Terraform code; tasks that involve Infrastructure as code; tasks that involve File organization.
How do I install Terraform Best Practices in Claude Code?
Run `npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a claude-code`. Or copy the skill folder (.codex/skills/terraform-best-practices in c0x12c/ai-toolkit) into .claude/skills/terraform-best-practices in your project. Claude Code loads it when a task matches its description.
How do I install Terraform Best Practices in Codex?
Run `npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a codex`. Or copy the skill folder (.codex/skills/terraform-best-practices in c0x12c/ai-toolkit) into .agents/skills/terraform-best-practices in your project. Codex loads it when a task matches its description.
Can I use Terraform Best Practices in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add c0x12c/ai-toolkit --skill terraform-best-practices -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/terraform-best-practices, .gemini/skills/terraform-best-practices, .github/skills/terraform-best-practices and .opencode/skills/terraform-best-practices in your project.
What does Terraform Best Practices need to run?
Going by SKILL.md and its folder, Terraform Best Practices needs the command-line tools its instructions call (terraform).
Does Terraform Best Practices access the network?
SKILL.md names 2 domains. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. As links in the text: registry.terraform.io. This is read from the text; nothing was executed.
Is Terraform Best Practices safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Terraform Best Practices use?
No licence was found for Terraform Best Practices or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Terraform Best Practices use?
About 1.6k tokens (SKILL.md is roughly 6.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Terraform Best Practices?
Skills that share tags, products or a category with Terraform Best Practices: Terraform and OpenTofu Guide (agentscope-ai/QwenPaw, 36k stars), Terraform Skill (antonbabenko/terraform-skill, 2.4k stars), Review Docs (hashicorp/terraform-provider-aws, 11k stars) and Senior DevOps Toolkit (maslennikov-ig/claude-code-orchestrator-kit, 260 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Terraform Best Practices?
c0x12c (a GitHub organization) maintains it in c0x12c/ai-toolkit, which has 106 GitHub stars. The repository holds 33 skills in this directory. The repository was last updated on June 18, 2026.
Source: c0x12c/ai-toolkit on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.