Database
Database management and queries
metaid-agent-world
by metaid-developers
查询指定 metaID 在链上的动作（发过的 pin、按 path/时间/群/被指向 等）。当需要（1）按 path 或协议查用户 pin、（2）按时间窗口查用户近期 pin、（3）查用户在某一群内的消息、（4）查「指向该用户」的 pin、（5）想知道现在有什么协议时用 pins_by_path_paged 且 path 为 /protocols/metaprotocol、（6）查某 metaID 的 User 节点及 path 为 /info/name、/info/chatpubkey 的最新 PIN 与 Content、（7）分页查该用户 pinID 列表（含总数）、（8）按 pinID 查 Content 或 PIN 节点时使用本技能；优先通过 scripts 下 Python 脚本调用接口（pins_by_path、pins_by_path_paged、pins_in_window、pins_in_window_by_path、group_messages、pins_pointing、user_node、user_pins、content_node、pin_node），完整 API 定义见 references/mcp-falkordb-pin-query.json。
database-schema-designer
by VisualxIntelligence
Design robust, scalable database schemas for SQL and NoSQL databases. Provides normalization guidelines, indexing strategies, migration patterns, constraint design, and performance optimization. Ensures data integrity, query performance, and maintainable data models.
notion-knowledge-capture
by Victory-Hugo
Capture conversations and decisions into structured Notion pages; use when turning chats/notes into wiki entries, how-tos, decisions, or FAQs with proper linking.
wordpress-best-practices
by jcastillotx
WordPress development standards. Triggers when working with WordPress plugins, themes, hooks, REST API, or Gutenberg blocks.
pydantic-schema
by Nomik94
Pydantic v2 DTO/스키마 설계 패턴. Use when: 요청/응답 DTO, CamelModel, dto/ 폴더 구조, camelCase 변환, alias_generator, model_config, 검증 로직, field_validator, model_validator, partial update (apply_simple_fields), 페이지네이션 응답, 에러 응답 (ErrorBody), from_domain 팩토리, Pydantic BaseModel 설정, JSON 직렬화. NOT for: 도메인 엔티티 (domain-layer), DB 모델 (sqlalchemy).
wprdc
by ianpcook
Query Pittsburgh's Western PA Regional Data Center (WPRDC) — 363+ datasets covering property assessments, air quality, 311 requests, jail census, overdose data, permits, violations, and more. Run SQL queries against live tables without downloading. Use when user asks about Pittsburgh/Allegheny County public data, property lookups, civic data, or regional statistics.
research-and-synthesis
by htooayelwinict
Fetch and summarize authoritative external sources into actionable guidance using MCP helpers. EXCLUSIVE to researcher agent.
cohere-rerank
by RSHVR
Cohere reranking reference for two-stage retrieval, semantic search improvement, and RAG pipelines. Covers Rerank v4 models, structured data reranking, and LangChain integration.
backend-development
by carvalab
PROACTIVELY build backend APIs with Node.js/TypeScript and Go. Use when designing APIs, implementing auth, or building microservices. Applies Clean Architecture, SOLID, DRY, YAGNI, KISS principles.
sql
by kprsnt2
SQL and database best practices including query optimization, indexing, and schema design.
sling-replications
by slingdata-io
Configure data replications between sources and targets in Sling. Use when creating replication YAML files, setting up data sync, copying tables, or moving data between databases and files.
react
by kprsnt2
React development patterns and best practices including hooks, state management, and performance optimization.
Vector Memory Skill
by sdamarketing
Developed for Aister â a bold, effective AI assistant with a cowboy hat ð¤
memory-aegis
by copi4800-bit
"Graph-based cognitive memory engine for AI agents. Extracts entities/relationships from text, stores as knowledge graph in SQLite with vector embeddings, retrieves via hybrid search (Vector + BM25). Supports entity resolution, temporal queries, conflict detection, scope isolation, self-reflective memory decay, and procedural memory with action loop."
code-review
by IchenDEV
代码审查流程，系统化分析代码质量、安全性和最佳实践
find-skills-plus
by yinhui1984
Find agent skills by keyword and enrich results with descriptions. Use when a user asks to discover skills and wants more context than a raw list (e.g., descriptions or comparisons).
mongodb
by jyasuu
MongoDB database operations including connection, queries, indexes, aggregation, transactions, and bulk operations.
cross-env-postgresql-extensions
by jovermier
Activate when creating database migrations that enable or disable PostgreSQL extensions. Provides the DO block pattern for cross-environment compatibility between Nhost Cloud, CNPG (CloudNativePG), and other PostgreSQL environments.
lemon-squeezy
by Codewithsaffy
"Reusable capabilities for integrating Lemon Squeezy (Merchant of Record) into Next.js/Supabase projects. Use when an agent needs to: (1) Initialize the Lemon Squeezy client, (2) Create checkout sessions with user tracking, (3) Implement secure webhook handlers, or (4) Manage subscription lifecycle (upgrades, downgrades, cancellations)."
backend-architect
by kozz36
Backend architecture expert for API design, database modeling, auth patterns, caching, and system design. Trigger: When designing APIs, choosing databases, planning auth systems, scaling backends, or making architecture decisions.
api-design-principles
by arielperez82
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
SKILL.md
by LunaTearR
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ralph
by AidanGio
"Convert PRDs to prd.json format for the Ralph autonomous agent system. Use when you have an existing PRD and need to convert it to Ralph's JSON format. Triggers on: convert this prd, turn this into ralph format, create prd.json from this, ralph json."
cloudkit
by subsc-taha
Apple CloudKit framework for iOS/macOS/watchOS/tvOS development. Use for iCloud data persistence, multi-device sync, CKSyncEngine implementation, CKContainer/CKDatabase/CKRecord operations, conflict resolution, error handling, subscriptions, and CloudKit best practices. Triggers on CloudKit questions, iCloud sync implementation, CKRecord CRUD, zone management, or cross-device data synchronization in Swift/SwiftUI apps.