slack-block-kit
Slack Block Kit
UI framework for building rich, interactive layouts in Slack messages, modals, and App Home.
CRITICAL: Two Markup Systems
Text inside Block Kit text objects uses Slack mrkdwn syntax (*bold*, <url|text>), NOT standard Markdown. The only exception is the markdown block which uses standard Markdown.
Quick Decision Trees
"Should I use blocks?"
More from ccheney/robust-skills
clean-ddd-hexagonal
Proactively apply when designing APIs, microservices, or scalable backend structure. Triggers on DDD, Clean Architecture, Hexagonal, ports and adapters, entities, value objects, domain events, CQRS, event sourcing, repository pattern, use cases, onion architecture, outbox pattern, aggregate root, anti-corruption layer. Use when working with domain models, aggregates, repositories, or bounded contexts. Clean Architecture + DDD + Hexagonal patterns for backend services, language-agnostic (Go, Rust, Python, TypeScript, Java, C#).
2.7Kpostgres-drizzle
Proactively apply when creating APIs, backends, or data models. Triggers on PostgreSQL, Postgres, Drizzle, database, schema, tables, columns, indexes, queries, migrations, ORM, relations, joins, transactions, SQL, drizzle-kit, connection pooling, N+1, JSONB, RLS. Use when writing database schemas, queries, migrations, or any database-related code. PostgreSQL and Drizzle ORM best practices.
788mermaid-diagrams
Proactively suggest diagrams when explaining complex systems. Triggers on diagrams, charts, visualizations, flowcharts, sequence diagrams, architecture diagrams, ER diagrams, state machines, Gantt charts, mindmaps, C4, class diagrams, git graphs. Use when user asks for visual representations of code, systems, processes, data structures, database schemas, workflows, or API flows. Generate Mermaid diagrams in markdown.
175feature-slicing
Proactively apply when creating new features/components/pages or setting up frontend project structure. Triggers on FSD, feature slicing, frontend architecture, layer structure, module boundaries, scalable frontend, slice organization. Use when restructuring React/Next.js/Vue/Remix projects, organizing frontend code, fixing import violations, or migrating legacy codebases. Feature-Sliced Design (FSD) architecture for frontend projects.
128modern-javascript
Proactively apply when creating web applications, Node.js services, or any JavaScript project. Triggers on JavaScript, ES6, ES2020, ES2022, ES2024, modern JS, refactor legacy, array methods, async/await, optional chaining, nullish coalescing, destructuring, spread, rest, template literals, arrow functions, toSorted, toReversed, at, groupBy, Promise, functional programming. Use when writing new JavaScript code, refactoring legacy code, modernizing codebases, implementing functional patterns, or reviewing JS for performance and readability. Modern JavaScript (ES6-ES2025) patterns and best practices.
119modern-css
Proactively apply when creating design systems, component libraries, or any frontend application. Triggers on CSS Grid, Subgrid, Flexbox, Container Queries, :has(), @layer, @scope, CSS nesting, @property, @function, if(), oklch, color-mix, light-dark, relative color, @starting-style, scroll-driven animations, view transitions, anchor positioning, popover, customizable select, content-visibility, logical properties, text-wrap, interpolate-size, clamp, field-sizing, modern CSS, CSS architecture, responsive design, dark mode, theming, design tokens, cascade layers. Use when writing CSS for any web project, choosing layout approaches, building responsive components, implementing dark mode or theming, creating animations or transitions, styling form elements, or modernizing legacy stylesheets. Modern CSS features and best practices for building interfaces with pure native CSS.
94