Use when deleting records from a Bknd entity via the SDK or REST API. Covers deleteOne, deleteMany, soft delete patterns, cascade considerations, response handling, and common patterns.

Use when querying and retrieving data from Bknd entities via SDK or REST API. Covers readOne, readMany, readOneBy, filtering (where clause), sorting, field selection, loading relations (with/join), and response handling.

Use when updating existing records in a Bknd entity via the SDK or REST API. Covers updateOne, updateMany, updating relations ($set, $add, $remove, $unset), partial updates, conditional updates, response handling, and common patterns.

Use when creating custom API endpoints in Bknd. Covers HTTP triggers with Flows, plugin routes via onServerInit, request/response handling, sync vs async modes, accessing request data, and returning custom responses.

Use when setting up a production database for Bknd. Covers SQLite file, LibSQL/Turso, Cloudflare D1, PostgreSQL, Neon, Supabase, and Xata configuration.

Use when troubleshooting Bknd issues, debugging errors, fixing common problems, or diagnosing why something isn't working. Covers CLI debug commands, error codes, logging, common issues and solutions.

Use when defining relationships between Bknd entities. Covers many-to-one, one-to-one, many-to-many, self-referencing relationships, junction tables, options like mappedBy and inversedBy, and UI vs code approaches.

Use when removing an entity from Bknd. Covers safely deleting entities, handling relationships and dependencies, data backup, the sync workflow with --drop flag, and cleaning up orphaned data.

Use when deploying a Bknd application to production hosting. Covers Cloudflare Workers/Pages, Node.js/Bun servers, Docker, Vercel, AWS Lambda, and other platforms.

Use when configuring environment variables for Bknd projects. Covers .env files, secrets management, env injection in config, platform-specific variables, and production security.

Use when uploading files to Bknd storage. Covers MediaApi SDK methods (upload, uploadToEntity), REST endpoints, React integration with file inputs, progress tracking with XHR, browser upload patterns, and entity field attachments.

Use when setting up a new Bknd project locally or configuring local development environment. Covers CLI installation, project creation, runtime adapters, config file setup, and development server options.

Use when implementing login and logout functionality in a Bknd application. Covers SDK authentication methods, REST API endpoints, React integration, session checking, and error handling.

Use when modifying existing Bknd schema. Covers renaming entities, renaming fields, changing field types, altering field constraints, handling destructive changes, data migration strategies, and the sync workflow.

Use when configuring OAuth or social login providers in a Bknd application. Covers Google OAuth, GitHub OAuth, custom OAuth providers, callback URLs, environment variables, and frontend OAuth integration.

Use when implementing paginated data retrieval in Bknd. Covers limit/offset pagination, page calculation, pagination metadata (total, hasNext, hasPrev), pagination helper functions, infinite scroll, and React integration patterns.

Use when preparing a Bknd application for production deployment. Covers security hardening, environment configuration, isProduction flag, JWT settings, Guard enablement, CORS, media storage, and production checklist.

Use when securing specific API endpoints in Bknd. Covers protecting custom HTTP triggers, plugin routes, auth middleware for Flows, checking permissions in custom endpoints, and role-based endpoint access.

Use when configuring public vs authenticated access in Bknd. Covers anonymous role setup, unauthenticated data access, public/private entity patterns, mixed access modes, and protecting sensitive entities while exposing public ones.

Use when setting up user registration flows in a Bknd application. Covers registration configuration, enabling/disabling registration, default roles, password validation, registration forms, and custom fields.

Use when implementing row-level security (RLS) in Bknd. Covers filter policies, user ownership patterns, public/private records, entity-specific RLS, multi-tenant isolation, and data-level access control.

Use when populating a Bknd database with initial or test data. Covers the seed function in options, ctx.em.mutator() for insertOne/insertMany, conditional seeding, environment-based data, and common patterns for dev/test fixtures.

Use when serving uploaded files to users. Covers API-proxied file serving, direct storage URLs (S3/R2/Cloudinary), CDN configuration, public file URLs, caching headers, image optimization with Cloudinary, and serving files in frontend applications.

Use when managing user sessions in a Bknd application. Covers JWT token lifecycle, session persistence, automatic renewal, checking auth state, invalidating sessions, and handling expiration.

Use when initializing or configuring the Bknd authentication system. Covers enabling auth, configuring password strategy, setting up JWT and cookie options, defining roles, and production security settings.

Use when configuring storage backends for file uploads. Covers S3-compatible storage (AWS S3, Cloudflare R2, DigitalOcean Spaces), Cloudinary media storage, local filesystem adapter for development, adapter configuration options, environment variables, and production storage setup.

Use when writing tests for Bknd applications, setting up test infrastructure, creating unit/integration tests, or testing API endpoints. Covers in-memory database setup, test helpers, mocking, and test patterns.

Use when encountering Bknd errors, getting error messages, something not working, or needing quick fixes. Covers error code reference, quick solutions, and common mistake patterns.

Use when configuring webhook integrations in Bknd. Covers receiving incoming webhooks via HTTP triggers, sending outgoing webhooks with FetchTask, event-triggered webhooks on data changes, signature verification, retry patterns, and async processing.

`bkt` is a unified CLI for **Bitbucket Data Center** and **Bitbucket Cloud**. It mirrors `gh` ergonomics and provides structured JSON/YAML output for automation.

Develop with BlaC state management library for React. Use when creating Cubits, using useBloc/useBlocActions hooks, managing state containers, or implementing inter-bloc communication patterns.

Apply Eskil Steenberg's black box architecture principles to build modular, maintainable software. Automatically refactors code into replaceable components, designs system architectures with clean boundaries, and debugs with modular isolation.

**Status**: ✅ Production Ready

Adds a complete blog feature to an existing Blazor WebAssembly Static Web App with Azure Functions backend and Azure File Share for markdown storage. Use when implementing blog functionality in .NET Blazor WASM projects with Azure infrastructure. Includes post listing, detail pages, markdown rendering, Azure Storage integration.

Comprehensive Blazor development expertise covering Blazor Server, WebAssembly, and Hybrid apps. Use when building Blazor components, implementing state management, handling routing, JavaScript interop, forms and validation, authentication, or optimizing Blazor applications. Includes best practices, architecture patterns, and troubleshooting guidance.

**Version**: 1.0.0

blender-toolkit

Blender 3D creation suite for modeling, animation, rendering, compositing, video editing, and game development. Use for 3D modeling, sculpting, animation, shading, rendering, simulation, video editing, and Python scripting.

Blind peer review for code - multiple agents critique independently, then synthesize privately to avoid groupthink

Systematically identify what's missing in non-fiction writing—both blind spots (inherent limitations) and blank spots (gaps that could be addressed). Use before finalizing non-fiction or when feedback feels incomplete.

Vision-language pre-training framework bridging frozen image encoders and LLMs. Use when you need image captioning, visual question answering, image-text retrieval, or multimodal chat with state-of-the-art zero-shot performance.

Parallelizes multi-issue sprints by running independent Claude agents in isolated git worktrees. Each agent creates a PR, self-reviews to 10/10 with 100% issue coverage, then PRs are sequentially merg

Create working, tested Bloblang transformation scripts from natural language descriptions.

| Atributo | Valor |

Design and implement blockchain integrations across chains and frameworks with emphasis on patterns over specific technologies. Use when building Web3 applications, smart contract systems, token mechanics, decentralized identity, or blockchain-verified data. Triggers on blockchain architecture, smart contract design, Web3 integration, token systems, or decentralized application development. Framework-agnostic—applies to Ethereum, Solana, or emerging chains.

Converts static web or Next.js projects into ArcBlock blocklets using provided DID. Analyzes project structure, generates configuration files, and validates setup. Requires blocklet DID as parameter.

Complete blog article creation workflow with automatic OG image generation. Use for creating new blog articles - supports prime (research), plan, execute, validate, and generate-og-prompt subcommands. Automatically generates OG images using Gemini API if GEMINI_API_KEY is configured.

Use when managing blog-cc static sites - content creation, deployment, themes, courses. Conversational content management with AI generation, validation, and GitHub Pages deployment.

Managing Cyril's Workshop blog posts and devblog via API - creating, editing, publishing, and updating content programmatically

Analyze blog posts for SEO, readability, headline quality, and content structure. Generate meta tags and optimization recommendations with scoring.