engineering-plugins

Engineering Plugins for Claude Code

A monorepo of Claude Code plugins providing expert domain knowledge as skills. Each plugin lives under plugins/ and is independently installable from the marketplace.

Plugins

cloud-devops

Cloud infrastructure and DevOps skills — starting with a Terraform/OpenTofu specialist that covers traditional cloud providers and modern developer platforms.

Skills:

terraform-specialist

Expert-level guidance for Terraform and OpenTofu — from writing your first resource block to enterprise module libraries with remote state, CI/CD pipelines, and multi-platform stacks.

Triggers automatically when you:

• Mention Terraform, OpenTofu, .tf files, HCL, IaC
• Ask about terraform plan, apply, import, state management, workspaces, modules
• Need to provision AWS, Azure, or GCP infrastructure
• Manage modern platforms via Terraform: Vercel, Railway, Render, Supabase, Upstash
• Say things like "Terraform my Vercel project" or "IaC for my Next.js + Supabase stack"

What it covers:

Topic	Details
Architecture patterns	Flat, workspaces, directory-per-env, Terragrunt
Module design	Reusable modules, versioning, Terratest
State management	S3, Azure Storage, GCS backends, migration, DR
CI/CD	GitHub Actions, GitLab CI, Azure DevOps, Terraform Cloud
Modern platforms	Vercel, Railway, Render, Supabase, Upstash providers
Full-stack wiring	Env var propagation across multi-provider stacks
Security	Secrets management, least privilege, policy-as-code

Reference documentation (plugins/cloud-devops/skills/terraform-specialist/references/):

• architecture-patterns.md — Pattern comparison with decision matrices
• state-management.md — Backend setup, migration, disaster recovery
• module-patterns.md — Complete module examples with testing
• cicd-pipelines.md — Ready-to-use pipeline definitions
• modern-platform-stack.md — Vercel/Railway/Render/Supabase/Upstash guide

db-design

Database design and schema modeling skills — featuring a PostgreSQL Prisma specialist for production-grade data modeling with Prisma ORM on Node.js.

Skills:

postgresql-prisma-specialist

Expert-level guidance for designing PostgreSQL schemas using Prisma ORM — from initial data modeling to advanced performance patterns and migrations.

Triggers automatically when you:

• Mention database design, schema design, data modeling, Prisma schema
• Ask about PostgreSQL tables, indexes, constraints, relations, migrations
• Need help with query performance, N+1 problems, composite indexes
• Work with JSONB columns, enum types, full-text search, soft deletes
• Ask about multi-tenancy, polymorphic relations, audit trails
• Use Prisma-specific patterns like @@map, @db.*, or raw SQL
• Say things like "design a database" or "model this data" or "set up the tables for my app"

What it covers:

Topic	Details
Data modeling	Entity relationships, normalization, Prisma schema patterns
Type selection	PostgreSQL types mapped to Prisma field types
Indexing strategy	B-tree, GIN, GiST, composite indexes, partial indexes
Constraints	Unique, check, foreign keys, cascading rules
Performance	Query optimization, N+1 prevention, connection pooling
Advanced patterns	Multi-tenancy, soft deletes, audit trails, polymorphic relations

Reference documentation (plugins/db-design/skills/postgresql-prisma-specialist/references/):

• types-and-fields.md — PostgreSQL types and Prisma field mappings
• indexes-and-performance.md — Indexing strategies and performance tuning
• advanced-patterns.md — Multi-tenancy, soft deletes, audit trails, and more

Installation

Install from the marketplace:

claude plugin install https://github.com/thangnc/engineering-plugins

Or install locally (from this repo root):

claude plugin install ./plugins/cloud-devops
claude plugin install ./plugins/db-design

Repository Structure

plugins/
  cloud-devops/
    .claude-plugin/
      plugin.json        # Plugin manifest for the marketplace
    skills/
      terraform-specialist/
        SKILL.md         # Trigger conditions + core instructions
        references/      # Deep-dive documentation
  db-design/
    .claude-plugin/
      plugin.json        # Plugin manifest for the marketplace
    skills/
      postgresql-prisma-specialist/
        SKILL.md         # Trigger conditions + core instructions
        references/      # Deep-dive documentation

.claude-plugin/
  marketplace.json       # Marketplace listing metadata

Prerequisites

Install the CLIs for the platforms you use:

# Terraform / OpenTofu
brew install terraform
brew install opentofu

# AWS
brew install awscli

# GCP
brew install --cask google-cloud-sdk

# Azure
brew install azure-cli

# Kubernetes
brew install kubectl helm