Database
Database management and queries
swiftdata-coredata-persistence
by dagba
Use when implementing data persistence in iOS apps with SwiftData or CoreData, encountering migration errors, performance issues with fetches, or choosing between persistence frameworks
cost-density-net-rr-calculator
by fatfingererr
計算交易成本對風險報酬比的非線性衰減影響。將固定佣金與點差整合為「成本密度」指標，揭示停損大小與策略效率的雙曲線關係，識別「獲利事件視界」閾值。
langchain-tools
by christian-bromann
Define and use tools in LangChain - includes @tool decorator, custom tools, built-in tools, and tool schemas
change-impact-analyzer
by gaebalai
Analyzes impact of proposed changes on existing systems (brownfield projects) with delta spec validation. Trigger terms: change impact, impact analysis, brownfield, delta spec, change proposal, change management, existing system analysis, integration impact, breaking changes, dependency analysis, affected components, migration plan, risk assessment, brownfield change. Provides comprehensive change analysis for existing systems: - Affected component identification - Breaking change detection - Dependency graph updates - Integration point impact - Database migration analysis - API compatibility checks - Risk assessment and mitigation strategies - Migration plan recommendations Use when: proposing changes to existing systems, analyzing brownfield integration, or validating delta specifications.
bknd-production-config
by cameronapak
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.
weapp-share-timeline
by dafang
微信小程序分享到朋友圈开发指南。当开发朋友圈分享功能、配置 onShareTimeline、适配单页模式、处理场景值 1154、navigationBarFit 布局调整时使用。
wp-performance
by peixotorms
Use when optimizing WordPress performance, debugging slow queries, configuring caching, reviewing database code, or preparing for high traffic. Covers WP_Query optimization (get_posts, meta_query, tax_query, no_found_rows, update_post_meta_cache, fields), object cache (wp_cache_get, wp_cache_set, Redis, Memcached), transients (set_transient, get_transient), autoload options, Query Monitor, Debug Bar, slow query profiling, anti-patterns (posts_per_page -1, query_posts, N+1), WP-CLI profiling, asset loading strategies, and platform-specific guidance.
migration-guide
by vibery-studio
Generate step-by-step migration guides between tools, frameworks, or workflows. Outputs: Phase-by-phase migration plan, compatibility mapping, rollback strategy. Use when switching tools, upgrading frameworks, or adopting new workflows. Triggers: migrate from X to Y, switch to, upgrade from, moving from, /migrate
odoo-oca-developer
by miquelalzanillas
"Expert guidance for developing, migrating, and maintaining Odoo modules (versions 14.0-19.0) following OCA conventions. Use when working with Odoo modules to create new modules from OCA template, migrate modules between versions using OpenUpgrade, extend core Odoo modules, ensure OCA compliance, and structure module files correctly. Includes OCA coding standards, module structure templates, OpenUpgrade migration patterns, and validation tools."
bknd-deploy-hosting
by cameronapak
Use when deploying a Bknd application to production hosting. Covers Cloudflare Workers/Pages, Node.js/Bun servers, Docker, Vercel, AWS Lambda, and other platforms.
sequential-thinking
by vibery-studio
Use when complex problems require systematic step-by-step reasoning with ability to revise thoughts, branch into alternative approaches, or dynamically adjust scope. Ideal for multi-stage analysis, design planning, problem decomposition, or tasks with initially unclear scope.
bknd-repo-search-with-opencode
by cameronapak
Use when querying the bknd source repository with btca CLI. Covers setup, configuration, and query patterns for learning bknd internals including data module, authentication, media handling, and adapter configuration.
databases
by mamba-mental
Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL queries, psql CLI, pgAdmin). Use when designing database schemas, writing queries and aggregations, optimizing indexes for performance, performing database migrations, configuring replication and sharding, implementing backup and restore strategies, managing database users and permissions, analyzing query performance, or administering production databases.
backend-development
by zircote
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.
design-postgres-tables
by trancong12102
Use this skill for general PostgreSQL table design. Trigger when user asks to: - Design PostgreSQL tables, schemas, or data models when creating new tables and when modifying existing ones. - Choose data types, constraints, or indexes for PostgreSQL - Create user tables, order tables, reference tables, or JSONB schemas - Understand PostgreSQL best practices for normalization, constraints, or indexing - Design update-heavy, upsert-heavy, or OLTP-style tables Keywords: PostgreSQL schema, table design, data types, PRIMARY KEY, FOREIGN KEY, indexes, B-tree, GIN, JSONB, constraints, normalization, identity columns, partitioning, row-level security Comprehensive reference covering data types, indexing strategies, constraints, JSONB patterns, partitioning, and PostgreSQL-specific best practices.
vercel-ai-sdk-v5
by horuz-ai
"Expert-level Vercel AI SDK v5 patterns for production chatbots. Use for: (1) Chat persistence with Drizzle/PostgreSQL, (2) Generative UI with typed tool parts, (3) Human-in-the-loop tool confirmations, (4) Custom data streaming with reconciliation, (5) Anthropic provider with extended thinking/reasoning, (6) Type-safe message metadata with token tracking. Covers advanced patterns only - assumes basic AI SDK knowledge. NOT for AI SDK v6."
gdpr-compliance
by peixotorms
Use when handling personal data, user registration, consent forms, cookie consent banners, data export, account deletion, privacy policies, or any code processing EU/EEA user data — GDPR coding patterns, Article 5, Article 6, lawful basis, legitimate interest, right to erasure, right to access, data portability, DPIA, DPO, 72-hour breach notification, Privacy Shield, Standard Contractual Clauses, data minimization, consent management, data subject rights, privacy by design
data
by pluginagentmarketplace
Room ORM, SQLite, SharedPreferences, DataStore, encryption.
sequential-thinking
by mamba-mental
Use when complex problems require systematic step-by-step reasoning with ability to revise thoughts, branch into alternative approaches, or dynamically adjust scope. Ideal for multi-stage analysis, design planning, problem decomposition, or tasks with initially unclear scope.
php-laravel
by pluginagentmarketplace
Laravel framework mastery - Eloquent, Blade, APIs, queues, and Laravel 11.x ecosystem
gcp-architecture
by liauw-media
"Google Cloud Platform architecture patterns and best practices. Use when designing, deploying, or reviewing GCP infrastructure including GKE, Cloud Run, Cloud Functions, BigQuery, and IAM."
deploy-checklist
by thoreinstein
Generate deployment checklists with pre-flight checks, rollout strategy, and verification steps. Analysis only - does not execute deployments.
lithium-supply-demand-gap-radar
by fatfingererr
將鋰產業鏈（礦端 → 精煉化學品 → 電池與終端需求），整合為一套可運算的替代指標；再把這些指標映射到鋰主題 ETF（如 LIT）的成分暴露與長期價格走勢，形成可供決策的依據。
byterover
by weegigs
This skill should be used when the user asks to "query project knowledge", "curate learnings", "record architectural decisions", "document bug investigations", "check brv status", or mentions ByteRover, brv, or project knowledge base.