Email composition and templates
onboarding-cro
by freekmurze
When the user wants to optimize post-signup onboarding, user activation, first-run experience, or time-to-value. Also use when the user mentions "onboarding flow," "activation rate," "user activation," "first-run experience," "empty states," "onboarding checklist," "aha moment," or "new user experience." For signup/registration optimization, see signup-flow-cro. For ongoing email sequences, see email-sequence.
email-sequence
by freekmurze
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.
.NET Backend Agent - ASP.NET Core & Enterprise API Expert
by anton-abyzov
.NET/C# backend developer for ASP.NET Core 8+ APIs with Entity Framework Core and enterprise patterns. Use when building C# backends, implementing REST/gRPC APIs, or working with SQL Server/PostgreSQL. Covers JWT authentication, dependency injection, background services, and Minimal APIs.
Spec-Driven Brainstorming Skill
by anton-abyzov
Spec-driven brainstorming and product discovery expert. Helps teams ideate features, break down epics, conduct story mapping sessions, prioritize using MoSCoW/RICE/Kano, and validate ideas with lean startup methods. Activates for brainstorming, product discovery, story mapping, feature ideation, prioritization, MoSCoW, RICE, Kano model, lean startup, MVP definition, product backlog, feature breakdown.
Python Backend Agent - API & Data Processing Expert
by anton-abyzov
Python backend developer for FastAPI, Django, and Flask. Use when building Python APIs, REST endpoints, or data processing services.
formik-patterns
by ChrisWiles
Formik form handling with validation patterns. Use when building forms, implementing validation, or handling form submission.
cold-outreach-sequence
by BrianRWagner
Build personalized cold outreach sequences for LinkedIn and email. Use when someone needs to reach prospects, warm up cold leads, or build a systematic outreach engine. Covers research, connection requests, follow-ups, and conversion.
sendgrid-webhooks
by hookdeck
Receive and verify SendGrid webhooks. Use when setting up SendGrid webhook handlers, debugging signature verification, or handling email delivery events.
postmark-webhooks
by hookdeck
Receive and process Postmark webhooks. Use when setting up Postmark webhook handlers, handling email delivery events, processing bounces, opens, clicks, spam complaints, or subscription changes.
brevo-automation
by aAAaqwq
"Automate Brevo (Sendinblue) tasks via Rube MCP (Composio): manage email campaigns, create/edit templates, track senders, and monitor campaign performance. Always search tools first for current schemas."
form-ux-design
by peterbamuhigire
Cross-platform form UX/UI patterns for web (Bootstrap 5/Tabler) and Android (Jetpack Compose). Covers field anatomy, validation, error states, multi-step wizards, accessibility, touch-friendly inputs, and submission workflows. Use when building any form — registration, data entry, settings, checkout, search, filters, or clinical forms. Companion to webapp-gui-design, healthcare-ui-design, pos-sales-ui-design, and jetpack-compose-ui skills.
bun-sqlite
by TheBushidoCollective
Use when working with SQLite databases in Bun. Covers Bun's built-in SQLite driver, database operations, prepared statements, and transactions with high performance.
Sales Agent - 销售专家
by aAAaqwq
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PHP Ecosystem
by takeokunn
This skill should be used when the user asks to "write php", "php 8", "composer", "phpunit", "pest", "phpstan", "psalm", "psr", or works with modern PHP language patterns and configuration. Provides comprehensive modern PHP ecosystem patterns and best practices.
SQL Ecosystem
by takeokunn
This skill should be used when working with SQL databases, "SELECT", "INSERT", "UPDATE", "DELETE", "CREATE TABLE", "JOIN", "INDEX", "EXPLAIN", transactions, or database migrations. Provides comprehensive SQL patterns across PostgreSQL, MySQL, and SQLite.
resend
by resend
Use when working with Resend email platform - routes to specific sub-skills for sending, receiving, audiences, or broadcasts.
email-best-practices
by resend
Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, or deciding transactional vs marketing.
olore-lucia-latest
by olorehq
Local lucia documentation reference (latest). Lucia auth documentation. Use for session-based authentication, OAuth 2.0, password hashing, and framework-specific auth implementations.
Test Quality Inspector
by bobmatnyc
Systematically inspect unit and E2E tests to verify they test the right behavior, provide meaningful coverage, and catch real regressions
internal-comms
by bobmatnyc
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
angular-forms
by analogjs
Build signal-based forms in Angular v21+ using the new Signal Forms API. Use for form creation with automatic two-way binding, schema-based validation, field state management, and dynamic forms. Triggers on form implementation, adding validation, creating multi-step forms, or building forms with conditional fields. Signal Forms are experimental but recommended for new Angular projects.
tool-better-auth
by Heyvhuang
Use when implementing authentication with Better Auth in a TypeScript/Next.js app (session strategy, providers, cookies, CSRF, redirects, middleware, and security best practices).
project-requirements
by peterbamuhigire
"Guided interview to create comprehensive project requirements documentation (requirements.md, business-rules.md, user-types.md, workflows.md) for a new SaaS project. Use before bootstrapping the SaaS Seeder Template."
php-modern-standards
by peterbamuhigire
"Modern PHP development standards for maintainable, testable, object-oriented code. Use when writing PHP 8+ applications, implementing OOP patterns, ensuring security, following PSR standards, optimizing performance, or building Laravel applications. Covers strict typing, modern features, SOLID principles, security patterns, testing, and 2026 international programming standards."