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Email deliverability best practices and troubleshooting

Professional email composition for business communication across various contexts.\nUse when: writing emails, drafting professional messages, composing replies, or when user\nmentions email, message drafting, or needs help with business correspondence.

Expert email management assistant for Apple Mail. Use this when the user mentions inbox management, email organization, email triage, inbox zero, organizing emails, managing mail folders, email productivity, checking emails, or email workflow optimization. Provides intelligent

Configure and manage - Parse email parser operations. Auto-activating skill for Business Automation.\nTriggers on: email parser, email parser\nPart of the Business Automation skill category. Use when working with email parser functionality. Trigger with phrases like \

Protect AI agents from email-based attacks including prompt injection, sender spoofing, malicious attachments, and social engineering. Use when processing emails, reading email content, executing email-based commands, or any interaction with email data. Provides sender

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 has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders. This skill covers transactional email that works, marketing automation that converts,

Email Template Builder

Select and optimize embedding models for semantic search and RAG applications. Use when choosing embedding models, implementing chunking strategies, or optimizing embedding quality for specific domains.

生成紧急情况下快速访问的医疗信息摘要卡片。当用户需要旅行、就诊准备、紧急情况或询问\

Automate bumping typespec-python version in emitter-package.json for the Azure SDK for Python repository. Use this skill when the user wants to update @azure-tools/typespec-python to the latest version, create a PR for the version bump, or manage emitter-package.json updates.

Build event-driven APIs with webhooks, Server-Sent Events, and real-time notifications.\nUse when building event-driven API architectures.\nTrigger with phrases like \

Vote in the daily emoji election on emoji.today. Humans vote free at emoji.today; agents vote via this skill for $0.01 USDC on Base using the x402 payment protocol. Use when the agent wants to participate in the emoji.today daily vote, cast an onchain vote for an emoji, or join

Expert guidance for EMP CLI, Rspack, and module federation. Invoke when developing micro-frontends, configuring builds, or debugging EMP projects.

Requires proof before marking work complete — no \

EMP 全栈技能：React 19 脚手架脚本、emp.config.ts 配置、Tailwind v4、微前端 empRuntime、@empjs/valtio 状态管理、React 性能优化。适用于创建 EMP 应用、配置模块联邦、状态管理、性能优化等场景。

Create employment contracts, offer letters, and HR policy documents following legal best practices. Use when drafting employment agreements, creating HR policies, or standardizing employment documentation.

Access European Nucleotide Archive via API/FTP. Retrieve DNA/RNA sequences, raw reads (FASTQ), genome assemblies by accession, for genomics and bioinformatics pipelines. Supports multiple formats.

Validate encryption implementations and cryptographic practices. Use when reviewing data security measures. Trigger with 'check encryption', 'validate crypto', or 'review security keys'.

Валидация REST API эндпоинтов на соответствие OpenAPI схеме и консистентность параметров. Использовать при реализации эндпоинтов, ревью кода или перед слиянием изменений API.

Development skill for Enferno Flask framework. Use when implementing features, fixing bugs, or writing code for Enferno-based applications. This includes creating models, API endpoints, Vue.js frontend components, database operations, or any development task within the Enferno

25 advanced POWERFUL-tier engineering skills covering agent design, RAG architecture, MCP servers, CI/CD pipelines, database design, observability, security auditing, release management, and platform operations. Works with Claude Code, Codex CLI, and OpenClaw.

This skill empowers Claude to perform feature engineering tasks for machine learning. It creates, selects, and transforms features to improve model performance. Use this skill when the user requests feature creation, feature selection, feature transformation, or any request that

23 production-ready engineering skills covering architecture, frontend, backend, fullstack, QA, DevOps, security, AI/ML, data engineering, computer vision, and specialized tools like Playwright Pro, Stripe integration, AWS, and MS365. 30+ Python automation tools (all

Use when documentation needs to be updated, clarified, or reorganized to better serve users' jobs-to-be-done with low cognitive load and high signal.

Transforms vague UI ideas into polished, Stitch-optimized prompts. Enhances specificity, adds UI/UX keywords, injects design system context, and structures output for better generation results.

Resolve ENS names (.eth) to Ethereum addresses and vice versa. Use when a user provides an .eth name (e.g. \

Query Ensembl genome database REST API for 250+ species. Gene lookups, sequence retrieval, variant analysis, comparative genomics, orthologs, VEP predictions, for genomic research.

Generate multiple diverse solutions in parallel and select the best. Use for architecture decisions, code generation with multiple valid approaches, or creative tasks where exploring alternatives improves quality.

Deploy and manage enter.pollinations.ai text/image services on EC2 and Cloudflare Workers. Requires: SSH keys, sops, wrangler.

Problem-solving strategies for entropy in information theory

Analyzes smart contract codebases to identify state-changing entry points for security auditing. Detects externally callable functions that modify state, categorizes them by access level (public, admin, role-restricted, contract-only), and generates structured audit reports.

Environment variable management, validation, and documentation.

Env u0026 Secrets Manager

Generate .env.example from your .env files. Use when onboarding developers.

Generate TypeScript types from .env files with smart inference. Type-safe environment variables. Optional Zod schema. Free CLI tool.

Guide developers through setting up development environments with proper tools, dependencies, and configurations

Environment Triage

Guide on authentication, sessions, OAuth, 2FA, and passkeys for Epic Stack

Guide on caching with cachified, SQLite cache, and LRU cache for Epic Stack

Guide on Prisma, SQLite, and LiteFS for Epic Stack

Guide on deployment with Fly.io, multi-region setup, and CI/CD for Epic Stack

Guide on forms with Conform and validation with Zod for Epic Stack

Guide on RBAC system and permissions for Epic Stack

Guide on React patterns, performance optimization, and code quality for Epic Stack

Guide on routing with React Router and react-router-auto-routes for Epic Stack

Guide on security practices including CSP, rate limiting, and session security for Epic Stack

Guide on testing with Vitest and Playwright for Epic Stack