Claude Skills by TerminalSkills

Django is a batteries-included Python web framework that follows the model-template-view pattern. It provides an ORM, admin interface, authentication, and everything needed to build full-featured web applications rapidly and securely.

You are an expert in dlt, the open-source Python library for building data pipelines. You help developers load data from any API, file, or database into warehouses and lakes using simple Python decorators — with automatic schema inference, incremental loading, and built-in data contracts. dlt is the "requests library for data pipelines."

Audits and troubleshoots DNS records for domains including A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, and NS records. Use when someone needs to verify DNS configuration, debug DNS propagation issues, check email authentication records, or audit domain security. Trigger words: DNS records, dig, nslookup, SPF, DKIM, DMARC, MX records, DNS propagation, nameservers, CAA, domain configuration.

Parse complex documents with IBM docling. Use when a user asks to parse a document with tables, extract figures from a document, handle multi-column layouts, convert a complex PDF to structured data, extract content from academic papers, or process documents with mixed layouts. Handles tables, figures, headers, footers, and multi-column text.

Build, debug, and optimize Docker configurations. Use when a user asks to create a Dockerfile, fix Docker build errors, optimize image size, write docker-compose files, debug container issues, set up multi-stage builds, or troubleshoot networking between containers. Covers Dockerfile best practices and compose orchestration.

Records architectural decisions and documentation. Use when making architectural decisions, changing public APIs, shipping features, or when you need to record context that future engineers and agents will need to understand the codebase. Covers ADRs, inline docs, API docs, READMEs, and changelogs.

Build documentation websites with Docusaurus. Use when a user asks to create a documentation site, build a developer portal, set up API docs, create a knowledge base, add versioned documentation, build a static docs site with search, create a blog alongside docs, or migrate from GitBook or ReadTheDocs. Covers project setup, docs structure, versioning, custom pages, blog, Algolia search, MDX components, and deployment.

Generate Word documents programmatically with the docx library — create paragraphs, tables, images, headers, footers, numbered lists, and styled content. Use when tasks involve generating contracts, proposals, resumes, or any .docx output from application data in Node.js.

Deploy apps with Dokku — self-hosted Heroku alternative on any VPS. Use when: self-hosting web apps without Kubernetes, setting up git-push deployments, running PaaS on your own server.

Expert guidance for Dokploy, the open-source, self-hosted Platform as a Service alternative to Vercel, Netlify, and Heroku. Helps developers deploy applications, databases, and services on their own VPS with automatic SSL, Docker-based isolation, and a web dashboard for management.

Manage secrets and environment variables using the Doppler CLI. Use when the user wants to set up Doppler, inject secrets into processes, manage projects and configs, upload or download secrets, create service tokens, use secret templates, or integrate Doppler with Docker, Kubernetes, or CI/CD pipelines. Trigger words: doppler, secrets manager, env vars, secret injection, doppler run, doppler setup, service token, secret rotation.

You are an expert in @react-three/drei, the companion library for React Three Fiber that provides 100+ ready-made components and hooks for common 3D patterns. You help developers add orbit controls, environment maps, text rendering, HTML overlays, loaders, performance utilities, shaders, and abstractions — eliminating boilerplate and letting teams focus on creative work instead of Three.js plumbing.

You are an expert in Drizzle ORM, the lightweight TypeScript ORM that maps directly to SQL. You help developers write type-safe database queries that look like SQL (not a new query language), generate migrations from schema changes, and deploy to serverless environments with zero overhead — supporting Postgres, MySQL, SQLite, Turso, Neon, PlanetScale, and Cloudflare D1.

Explore and manage databases with Drizzle Studio. Use when a user asks to browse database contents visually, inspect tables and data, run ad-hoc queries, manage database records through a GUI, debug database issues, or use a lightweight alternative to pgAdmin or DBeaver. Covers setup with Drizzle ORM, standalone usage, data browsing, filtering, and inline editing.

You are an expert in DSPy, the Stanford framework that replaces prompt engineering with programming. You help developers define LLM tasks as typed signatures, compose them into modules, and automatically optimize prompts/few-shot examples using teleprompters — so instead of manually crafting prompts, you write Python code and DSPy finds the best prompts for your task.

DuckDB is an in-process analytical database that runs embedded inside your application with zero external dependencies. It can query CSV, Parquet, and JSON files directly without loading them into tables first, making it ideal for local data exploration, ETL pipelines, and analytical workloads where spinning up a server is overkill.

Data Version Control for ML projects. Track large datasets and models alongside Git, build reproducible ML pipelines, and run experiments with metric comparison. Works with any storage backend including S3, GCS, Azure, and local filesystems.

You are an expert in E2B, the cloud platform for running AI-generated code in secure sandboxes. You help developers give AI agents the ability to execute code, install packages, read/write files, and run long processes in isolated cloud environments — each sandbox is a lightweight VM that boots in ~150ms with full Linux, filesystem, and networking.

Create interactive data visualizations with Apache ECharts. Use when a user asks to build charts, dashboards, or data-driven graphics using ECharts in React, Vue, or vanilla JavaScript applications.

Build robust TypeScript applications with Effect — type-safe error handling, concurrency, dependency injection, and streaming. Use when someone asks to "handle errors without try-catch", "type-safe error handling in TypeScript", "dependency injection without classes", "concurrent TypeScript", "Effect library", "replace try-catch with typed errors", or "functional programming in TypeScript". Covers Effect, Layer, Schedule, Stream, and Schema.

Configure and use Elasticsearch for full-text search, custom analyzers, aggregations, and index management. Use when a user needs to design search mappings, write complex queries, build aggregation pipelines, tune relevance scoring, or optimize index performance for search workloads.

Build local-first applications with ElectricSQL — sync Postgres data to client devices in real-time. Use when someone asks to "sync database to client", "local-first app", "ElectricSQL", "offline-first sync", "real-time Postgres sync", "sync Postgres to SQLite", or "build an app that works offline". Covers shape-based sync, real-time subscriptions, offline support, and conflict resolution.

Assists with building cross-platform desktop applications using Electron. Use when architecting main/renderer process communication, configuring secure contexts, implementing auto-updates, or packaging apps for Windows, macOS, and Linux. Trigger words: electron, desktop app, browserwindow, ipc, auto-update, electron-builder.

Generate realistic speech with the ElevenLabs API. Use when a user asks to convert text to speech, clone voices, build voice-enabled apps, stream audio, or integrate ElevenLabs voice synthesis into applications.

You are an expert in Elixir, the functional programming language built on the Erlang VM (BEAM). You help developers build highly concurrent, fault-tolerant, and distributed systems using Elixir's process model, pattern matching, GenServer, supervision trees, Phoenix web framework, LiveView for real-time UI, and Ecto for database interactions — achieving massive concurrency with lightweight processes and "let it crash" reliability.

Build high-performance APIs with Elysia on Bun. Use when someone asks to "create an API with Bun", "build a REST API with Elysia", "set up WebSocket server on Bun", "type-safe API with Eden Treaty", "Elysia plugin", or "fastest TypeScript HTTP framework". Covers REST routes, WebSocket, validation with TypeBox, Eden Treaty type-safe client, plugins, auth guards, and OpenAPI/Swagger generation.

Diagnoses email deliverability problems for transactional and marketing emails. Checks SPF/DKIM/DMARC alignment, sending IP reputation, email content spam triggers, and bounce patterns. Use when emails land in spam, go missing, or bounce unexpectedly. Trigger words: email spam, deliverability, emails not arriving, bounce rate, spam folder, email reputation, SPF fail, DKIM fail, DMARC, transactional email, SendGrid, Postmark, SES.

Draft professional emails for various business scenarios with appropriate tone and structure. Use when a user asks to write an email, compose a message, draft a reply, write a follow-up, create an outreach email, respond to a client, write a cold email, or craft any professional correspondence.

When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program. Also use when the user mentions "email sequence," "drip campaign," "nurture sequence," "onboarding emails," "welcome sequence," "re-engagement emails," "email automation," or "lifecycle emails." For in-app onboarding, see onboarding-cro.

You are an expert in Ember.js, the opinionated frontend framework for ambitious web applications. You help developers build large-scale SPAs with Ember's convention-over-configuration approach, Glimmer components, tracked properties, Ember Data for data management, routing with nested layouts, services for shared state, and ember-cli for scaffolding — providing Rails-like productivity for frontend development.

Build cloud backend applications with Encore — type-safe backend framework with built-in infrastructure. Use when someone asks to "build a backend", "Encore", "type-safe API framework", "backend with built-in infra", "auto-provision cloud resources", or "backend framework with databases built-in". Covers API definition, databases, pub/sub, cron, and auto-provisioned infrastructure.

Manage environment variables and secrets across development, staging, and production environments. Use when someone needs to audit env vars, sync secrets between environments, detect missing or mismatched variables, rotate credentials, or set up a new environment from an existing one. Trigger words: env vars, environment variables, secrets, .env file, dotenv, config management, secret rotation, missing variable, environment sync.

You are an expert in Envoy, the high-performance C++ proxy designed for cloud-native applications. You help teams configure Envoy as an API gateway, service mesh sidecar, and load balancer using its L4/L7 routing, circuit breaking, rate limiting, TLS termination, gRPC support, and observability features — powering Istio, AWS App Mesh, and most modern service mesh implementations.

Analyze application error logs and monitoring platform exports (Sentry, Datadog, Rollbar) to identify error patterns, duplicates, and severity. Use when someone asks to "audit errors", "analyze exceptions", "find noisy alerts", "deduplicate error groups", or "triage production errors". Parses JSON/CSV error exports and produces categorized reports with root cause analysis.

ESLint is the standard linting tool for JavaScript and TypeScript projects. It statically analyzes your code to find problems, enforce coding conventions, and catch bugs before they reach production. ESLint 9 introduced the flat config format, replacing the legacy `.eslintrc` system with a simpler, more composable `eslint.config.js` file. With a rich plugin ecosystem covering React, TypeScript, accessibility, and import ordering, ESLint is the backbone of code quality in modern web development.

Interact with Ethereum and EVM blockchains using ethers.js. Use when a user asks to connect to Ethereum, read blockchain data, send transactions, interact with smart contracts, or build a dApp frontend.

You are an expert in Amazon EventBridge, the serverless event bus for building event-driven architectures. You help developers route events between AWS services, SaaS applications, and custom microservices using event rules, patterns, transformations, dead-letter queues, and scheduling — decoupling producers from consumers with content-based routing that scales automatically.

Expert guidance for Evidence, the open-source BI framework that generates beautiful, interactive dashboards from SQL queries and Markdown. Helps developers build data reports as code, deploy them as static sites, and create self-service analytics without heavy BI tools.

You are an expert in Excalibur.js, the TypeScript-first 2D game engine built for the web. You help developers build browser games using Excalibur's Actor system, Scene management, Tiled integration, physics, animation, sound, and input handling — with first-class TypeScript support, excellent documentation, and a focus on developer experience over raw performance.

Expert guidance for Excalidraw, the open-source virtual whiteboard library for creating hand-drawn style diagrams and sketches. Helps developers embed Excalidraw in React applications, build custom integrations, and leverage the API for programmatic diagram creation.

Read, transform, analyze, and generate Excel and CSV files. Use when a user asks to open a spreadsheet, process Excel data, merge CSVs, create pivot tables, clean up data, convert between Excel and CSV, add formulas, filter rows, or generate reports from tabular data. Handles .xlsx, .xls, and .csv.

Generate and parse Excel spreadsheets with ExcelJS — create workbooks with multiple sheets, styled cells, formulas, charts, images, and conditional formatting. Use when tasks involve exporting application data to .xlsx, building financial reports, parsing uploaded spreadsheets, or creating data import/export pipelines.

Organize, categorize, and summarize business expenses for reimbursement and tax preparation. Use when a user asks to create an expense report, organize receipts, categorize expenses, summarize spending, prepare expenses for reimbursement, or compile business expenses for tax filing. Handles receipts, CSV data, and manual entries.

Build, deploy, and update React Native apps with Expo. Covers file-based routing with Expo Router (stacks, tabs, drawers, deep linking), EAS Build and Submit, over-the-air updates, and 50+ SDK modules for camera, location, notifications. Use when setting up Expo, adding navigation, configuring builds, or integrating native device APIs. Trigger words: expo, expo router, eas build, react native expo, file-based routing mobile, deep linking.

ExternalDNS for automatic DNS record management in Kubernetes. Use when the user needs to synchronize Kubernetes Ingress and Service resources with DNS providers like Route 53, CloudDNS, or Cloudflare automatically.

Create, optimize, and automate Facebook content for Pages, Groups, and Ads. Use when someone asks to "grow Facebook page", "create Facebook ads", "manage Facebook group", "Facebook API integration", "automate Facebook posting", "Facebook analytics", or "Facebook marketing strategy". Covers Pages, Groups, Graph API publishing, Ads Manager API, Messenger bots, and growth strategies.

Protect servers from brute force attacks with Fail2Ban. Use when a user asks to block repeated failed login attempts, protect SSH, secure web servers from brute force, or ban malicious IPs automatically.

When the user wants to generate realistic fake data for testing, seeding databases, or prototyping. Also use when the user mentions "faker," "fake data," "test data generation," "seed data," "mock data," "random names," or "realistic test data." For API mocking, see mockoon or wiremock.

Deploy and run AI models instantly with fal.ai — image generation, video, audio, and custom models. Use when generating images with Flux/SDXL/LoRA, running ML inference at scale, building AI media features, or accessing state-of-the-art generative models via a simple API.

Expert guidance for Falco, the CNCF runtime security tool that detects anomalous behavior in containers and Kubernetes clusters using system call monitoring. Helps developers set up Falco for detecting shell spawns in containers, unexpected network connections, file access violations, and privilege escalation — all in real-time with zero application changes.