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SkillsMP has collected 156 skills from majesticlabs-dev/majestic-marketplace. Open a skill to review its source and details.
majesticlabs-dev/majestic-marketplaceShowing 40 of 156 collected skills.
Research technical problems across GitHub issues, Stack Overflow, Reddit, and documentation. Gathers solutions from multiple community sources with structured findings. Triggers on search for solutions, find examples, research problem, community solutions,…
Get architecture and design second opinions from external LLMs (OpenAI Codex, Google Gemini) via their CLIs. Use when you need alternative perspectives on design decisions, model selection, or structured comparison of approaches.
Get code review feedback from external LLMs (OpenAI Codex, Google Gemini) with full project context. Use when you want a second opinion on code changes, with explicit control over review focus and project-aware prompts.
Alembic database migrations for Python applications - setup, auto-generation, manual migrations, and safe deployment patterns.
Review Python code with high quality bar for type hints, Pythonic patterns, and maintainability.
SQLAlchemy 2.0 patterns - model definition, engine setup, async patterns, relationships, query optimization, repository pattern, and transactions.
Implement business logic with ActiveInteraction and AASM state machines. Routes to specialized skills for typed operations and state management.
Review data constraints and referential integrity in Rails models and migrations.
Use proactively for GraphQL API design, schema optimization, or N+1 query issues. Designs schemas, resolvers, and subscriptions using graphql-ruby patterns.
Run linting and code quality checks on Ruby and ERB files. Use before pushing to origin.
Analyze Rails code for performance issues, optimize queries, identify bottlenecks, and ensure scalability. Apply after implementing features or when performance concerns arise.
Review Rails code with high quality bar. Strict for modifications, pragmatic for new isolated code.
Review PII handling, encryption, and GDPR/CCPA compliance in Rails applications.
Use proactively when refactoring Ruby on Rails code. Applies Rails conventions, Sandi Metz rules, and idiomatic Ruby patterns while maintaining test coverage.
Final review for code simplicity. Identifies anti-patterns, code smells, and YAGNI violations.
Implement MCP server authentication with OAuth Dynamic Client Registration (RFC 7591), Authorization Server Metadata Discovery (RFC 8414), and per-agent credential support. Use when building admin UIs that let users connect to third-party MCP servers using…
Use when adding polymorphic activity timelines with live Turbo Stream updates to any Rails model. Covers migration, model, concern, shared partials, broadcasting, and optional AI-generated change summaries. Triggers on activity feed, audit trail, timeline,…
Use when adding Tiptap rich text editing with debounced autosave to Rails models. Stores markdown in text columns (not ActionText). Triggers on rich text editor, Tiptap, autosave, inline editing, or markdown content fields. Not for ActionText or basic…
Use when creating or refactoring Stimulus controllers. Applies Hotwire conventions, controller design patterns, targets/values usage, action handling, and JavaScript best practices.
Repository structure methodology for maximum AI agent effectiveness. Three pillars — context engineering (repo as knowledge product), architectural constraints (deterministic enforcement), garbage collection (active entropy fighting). Use when setting up…
Audit installed skills across project, global, and plugin levels. Lists skills with line counts, identifies improvement opportunities (conciseness, clarity, overlap, token waste). Use when reviewing skill quality, finding bloated skills, or optimizing token…
This skill guides Backblaze B2 Cloud Storage integration with OpenTofu/Terraform and B2 CLI. Use when managing B2 buckets, application keys, file uploads, lifecycle rules, or S3-compatible storage.
This skill guides provisioning Cloudflare infrastructure with OpenTofu/Terraform. Use when managing zones, DNS records, WAF rules, SSL settings, Page Rules, or cache configuration.
This skill guides writing DigitalOcean infrastructure with OpenTofu/Terraform. Use when provisioning Droplets, VPCs, Managed Databases, Firewalls, or other DO resources.
This skill guides integrating 1Password CLI (op) for secret management in development workflows. Use when loading secrets for infrastructure, deployments, or local development.
Production-grade README.md patterns for any project type. Use when creating project documentation, writing README files, or improving existing docs. Covers hero sections, quick start examples, comparison tables, troubleshooting guides, and limitation…
Implement type-safe configuration with anyway_config gem. Use when creating configuration classes, replacing ENV access, or managing application settings. Triggers on configuration, environment variables, settings, secrets, or ENV patterns.
Native HTML dialog patterns for Rails with Turbo and Stimulus. Use when building modals, confirmations, alerts, or any overlay UI. Triggers on modal, dialog, popup, confirmation, alert, or toast patterns.
This skill guides writing of new Ruby code following modern Ruby 3.x syntax, Sandi Metz's 4 Rules for Developers, and idiomatic Ruby best practices. Use when creating new Ruby files, writing Ruby methods, or refactoring Ruby code to ensure adherence to…
dbt (data build tool) patterns for model organization, incremental strategies, and testing.
Incremental data loading patterns including backfill strategies, CDC, timestamp-based loads, and pipeline orchestration.
Advanced SQL patterns including window functions, CTEs, recursive queries, and optimization techniques.
This skill guides writing cloud-init configurations for VM provisioning. Use when creating user_data blocks in Terraform/OpenTofu, or cloud-init YAML for AWS, DigitalOcean, GCP, or Azure instances.
Infrastructure maintainability verification covering naming conventions, formatting, DRY patterns, and version constraints.
Platform-specific IaC checklists for DigitalOcean, Hetzner, AWS, and Cloudflare.
Infrastructure simplicity scoring. Detects overengineering in Terraform/OpenTofu and Ansible configurations.
This skill guides writing Infrastructure as Code using OpenTofu (open-source Terraform fork). Use when creating .tf files, managing cloud infrastructure, configuring providers, or designing reusable modules.
This skill guides Cloudflare Workers and Pages development with Wrangler CLI. Use when creating Workers, configuring D1 databases, R2 storage, KV namespaces, Queues, or deploying to Cloudflare Pages.
Build edge-first TypeScript applications on Cloudflare Workers. Covers Workers API, Hono framework, KV/D1/R2 storage, Durable Objects, Queues, and testing patterns. Use when creating serverless workers, edge functions, or Cloudflare-deployed services.
Design thinking principles for distinctive interfaces. Covers aesthetic direction, anti-patterns, and avoiding generic AI-generated aesthetics.