Database
Database management and queries
django-expert
by vintasoftware
Expert Django backend development guidance. Use when creating Django models, views, serializers, or APIs; debugging ORM queries or migrations; optimizing database performance; implementing authentication; writing tests; or working with Django REST Framework. Follows Django best practices and modern patterns.
cellxgene-census
by jaechang-hits
"Query CELLxGENE Census (61M+ cells) programmatically. Search by cell type, tissue, disease, organism. Get expression matrices as AnnData, stream large queries out-of-core, train PyTorch models on single-cell data. For analyzing your own data use scanpy; for annotated data manipulation use anndata."
buying-signals-6
by sachacoldiq
6 buying signals ranked by purchase correlation - Former Customers, New Leadership, High-Intent Website, Tech Stack Change, Expansion, and Hiring/Downsizing. Use when prioritizing outreach, building signal-based campaigns, or setting up intent tracking.
tool-creator
by xuiltul
Meta-skill for creating AnimaWorks Python tool modules with correct interfaces. Provides procedure for personal tools (animas/{name}/tools/), shared tools (common_tools/), ExternalToolDispatcher integration, API key management via get_credential, and permissions.md allowance configuration. Use when developing custom tools for Web API integration or external service integration. "create tool", "toolify", "new tool", "custom tool", "Python tool"
sveltekit-remote-functions
by spences10
SvelteKit remote functions guidance. Use for command(), query(), form() patterns in .remote.ts files.
cloudbase-document-database-in-wechat-miniprogram
by TencentCloudBase
Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.
schema-markup
by OpenClaudia
Generate Schema.org structured data (JSON-LD) for any page type. Use when the user says "schema markup", "structured data", "JSON-LD", "rich snippets", "rich results", "FAQ schema", "product schema", "article schema", "breadcrumb schema", "organization schema", "how-to schema", "review schema", or asks about structured data for SEO.
🔧 炼器秘典 · DevOps 能力中枢
by telagod
☠️ 一键为 Claude Code / Codex CLI 注入邪修人格与 40+ 安全工程秘典 npx code-abyss
analyzing-marketing-campaign
by https-deeplearning-ai
Analyze weekly marketing campaign performance data across channels. Use when analyzing multi-channel digital marketing data to calculate funnel metrics (CTR, CVR) and compare to benchmarks, compute cost and revenue efficiency metrics (ROAS, CPA, Net Profit), or get budget reallocation recommendations based on performance rules.
code-security
by semgrep
Security guidelines for writing secure code. Use when writing code, reviewing code for vulnerabilities, or asking about secure coding practices like "check for SQL injection" or "review security".
python-backend
by yonatangross
Python backend patterns for asyncio, FastAPI, SQLAlchemy 2.0 async, and connection pooling. Use when building async Python services, FastAPI endpoints, database sessions, or connection pool tuning.
apollo-federation
by apollographql
Guide for authoring Apollo Federation subgraph schemas. Use this skill when: (1) creating new subgraph schemas for a federated supergraph, (2) defining or modifying entities with @key, (3) sharing types/fields across subgraphs with @shareable, (4) working with federation directives (@external, @requires, @provides, @override, @inaccessible), (5) troubleshooting composition errors, (6) any task involving federation schema design patterns.
airflow
by TerminalSkills
Apache Airflow is a platform for programmatically authoring, scheduling, and monitoring workflows. Learn to write DAGs, use operators, set up connections, configure scheduling, and deploy with Docker Compose.
backend-dev-guidelines
by diet103
Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or working with Express APIs, Prisma database access, Sentry error tracking, Zod validation, unifiedConfig, dependency injection, or async patterns. Covers layered architecture (routes → controllers → services → repositories), BaseController pattern, error handling, performance monitoring, testing strategies, and migration from legacy patterns.
relational-database-mcp-cloudbase
by TencentCloudBase
This is the required documentation for agents operating on the CloudBase Relational Database. It lists the only four supported tools for running SQL and managing security rules. Read the full content to understand why you must NOT use standard Application SDKs and how to safely execute INSERT, UPDATE, or DELETE operations without corrupting production data.
rspress-v2-upgrade
by rstackjs
Migrate Rspress projects from v1 to v2. Use when a user asks to upgrade Rspress, follow the v1-to-v2 guide, update configs/themes, or validate the upgrade.
gget-genomic-databases
by jaechang-hits
"Unified CLI/Python interface to 20+ genomic databases. Use for quick gene lookups (Ensembl search/info/seq), BLAST/BLAT sequence alignment, AlphaFold structure prediction, enrichment analysis (Enrichr), disease/drug associations (OpenTargets), single-cell data (CELLxGENE), cancer genomics (cBioPortal/COSMIC), and expression correlation (ARCHS4). Covers genomics, proteomics, and disease domains. For batch processing or advanced BLAST use biopython; for multi-database Python SDK workflows use bioservices."
imaging-data-commons
by jaechang-hits
"Query NCI Imaging Data Commons (IDC) for cancer radiology and pathology imaging datasets hosted on Google Cloud. Search DICOM collections by modality, anatomical site, cancer type, or collection name. Download images via Google Cloud Storage or IDAT tool. 50TB+ of publicly accessible DICOM images. Requires Google Cloud account for large downloads; small queries work without billing. For local DICOM processing use pydicom-medical-imaging; for whole-slide pathology use histolab."
angular-migration
by Microck
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.
alphafold-database
by Microck
"Access AlphaFold's 200M+ AI-predicted protein structures. Retrieve structures by UniProt ID, download PDB/mmCIF files, analyze confidence metrics (pLDDT, PAE), for drug discovery and structural biology."
bioservices
by Microck
"Primary Python tool for 40+ bioinformatics services. Preferred for multi-database workflows: UniProt, KEGG, ChEMBL, PubChem, Reactome, QuickGO. Unified API for queries, ID mapping, pathway analysis. For direct REST control, use individual database skills (uniprot-database, kegg-database)."
Backend Migration Standards
by Microck
Create and manage database migrations with reversible changes, proper naming conventions, and zero-downtime deployment strategies. Use this skill when creating database migration files, modifying schema, adding or removing tables/columns, managing indexes, or handling data migrations. Apply when working with migration files (e.g., db/migrate/, migrations/, alembic/, sequelize migrations), schema changes, database versioning, rollback implementations, or when you need to ensure backwards compatibility during deployments. Use for any task involving database structure changes, index creation, constraint modifications, or data transformation scripts.
api-design-principles
by Microck
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.
zero-skills
by zeromicro
Comprehensive knowledge base for go-zero microservices framework. Use this skill when: - Building REST APIs with go-zero (Handler → Logic → Model architecture) - Creating RPC services with service discovery and load balancing - Implementing database operations with sqlx, MongoDB, or Redis caching - Adding resilience patterns (circuit breaker, rate limiting, load shedding) - Troubleshooting go-zero issues or understanding framework conventions - Generating production-ready microservices code Features: - Complete pattern guides with ✅ correct and ❌ incorrect examples - Three-layer architecture enforcement - Production best practices - Common pitfall solutions