Terrashark

Prevent Terraform/OpenTofu hallucinations by diagnosing and fixing failure modes: identity churn, secret exposure, blast-radius mistakes, CI drift, and compliance gate gaps. Use when generating, reviewing, refactoring, or migrating IaC and when building delivery/testing pipelines.

716 stars 28 forksTesting & QA

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add LukasNiessen/terrashark --skill terrashark

Manual install

git clone --depth 1 https://github.com/LukasNiessen/terrashark.git /tmp/terrashark
mkdir -p ~/.claude/skills
cp -r /tmp/terrashark/. ~/.claude/skills/terrashark

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Terrashark: Failure-Mode Workflow for Terraform/OpenTofu

Run this workflow top to bottom.

## 1) Capture execution context

Record before writing code:
- runtime (`terraform` or `tofu`) and exact version
- provider(s), target platform, and state backend
- execution path (local CLI, CI, HCP Terraform/TFE, Atlantis)
- environment criticality (dev/shared/prod)

If unknown, state assumptions explicitly.

## 2) Diagnose likely failure mode(s)

Select one or more based on user intent and risk:
- identity churn: resource addressing instability, refactor breakage
- secret exposure: secrets in state, logs, defaults, artifacts
- blast radius: oversized stacks, weak boundaries, unsafe applies
- CI drift: version mismatch, unreviewed applies, missing artifacts
- compliance gate gaps: missing policies/approvals/audit controls

## 3) Load only the relevant reference file(s)

Primary references:
- `references/identity-churn.md`
- `references/secret-exposure.md`
- `references/blast-radius.md`
- `references/ci-drift.md`
- `references/compliance-gates.md`

Supplemental references (only when needed):
- `references/testing-matrix.md`
- `references/quick-ops.md`
- `references/examples-good.md`
- `references/examples-bad.md`
- `references/examples-neutral.md`
- `references/coding-standards.md`
- `references/module-architecture.md`
- `references/ci-delivery-patterns.md`
- `references/security-and-governance.md`
- `references/do-dont-patterns.md`
- `references/mcp-integration.md`

Read the full skill on GitHub

Details

Skill name: terrashark
Repository: LukasNiessen/terrashark
License: MIT
Repo updated: 31 October 2026

FAQ

What does the Terrashark skill do?

How do I install the Terrashark skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add LukasNiessen/terrashark --skill terrashark. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Terrashark popular?

It lives in LukasNiessen/terrashark, which has 716 GitHub stars and 28 forks.

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