Databases · For developers

Java: Spring Boot, CompletableFuture, records, sealed types, JPA/Hibernate, virtual threads.

softspark/ai-toolkit

Ruby/Rails: blocks, metaprogramming, ActiveRecord, Sidekiq, RSpec, Sorbet, Hanami.

softspark/ai-toolkit

Writing guidelines for Breeze RMM tests — API route (Vitest + Drizzle mocks), Go agent, shared validators, and the required coverage checklist for every new feature.

LanternOps/breeze

Design, tune, or review EF Core data access with proper modeling, migrations, query translation, performance, and lifetime management for modern .NET applications.

managedcode/dotnet-skills

Maintain or migrate EF6-based applications with realistic guidance on what to keep, what to modernize, and when EF Core is or is not the right next step.

managedcode/dotnet-skills

Debug a customer's data warehouse source, schema, or table from a support ticket, using PostHog's own production data.

PostHog/posthog

The olm:v5 migration script, UpdateTagsService, batch processing, migratedat, ClassifyTagsService deprecated mappings, and data migration from v4 category tables.

OpenLitterMap/openlittermap-web

Tidewave MCP runtime tools — debugging, smoke testing, live state inspection, SQL queries, hex docs.

oliver-kriska/claude-elixir-phoenix

Backend infrastructure for a project via Cohesivity (cohesivity.ai).

Anil-matcha/awesome-muse-connectors

Inspect Neon serverless Postgres: projects, branches, databases.

Anil-matcha/awesome-muse-connectors

Read and write a Supabase Postgres database over PostgREST: list tables, query, insert, update, and delete rows.

Anil-matcha/awesome-muse-connectors

Read and write Upstash: get, set, and delete Redis keys, run command pipelines.

Anil-matcha/awesome-muse-connectors

Анализ журнала регистрации и технологического журнала 1С. An agent skill from IngvarConsulting/unica.

IngvarConsulting/unica

Оптимизация запросов 1С и СКД. An agent skill from IngvarConsulting/unica.

IngvarConsulting/unica

Connect to MySQL and run read-only queries to inspect table data.

hashgraph-online/awesome-codex-plugins

Run ClickHouse integration tests in CI with GitHub Actions and Docker containers.

jeremylongshore/tons-of-skills-marketplace

Diagnose and fix the top 15 ClickHouse errors — query failures, insert problems, memory limits, and merge issues.

jeremylongshore/tons-of-skills-marketplace

Design ClickHouse schemas with MergeTree engines, ORDER BY keys, and partitioning.

jeremylongshore/tons-of-skills-marketplace

Insert, query, and aggregate data in ClickHouse with real SQL patterns.

jeremylongshore/tons-of-skills-marketplace

Optimize ClickHouse Cloud costs — compute scaling, storage tiering, compression, and query efficiency for lower bills.

jeremylongshore/tons-of-skills-marketplace

Handle data lifecycle in ClickHouse — TTL expiration, data deletion (GDPR), column-level encryption, and audit logging with real ClickHouse SQL.

jeremylongshore/tons-of-skills-marketplace

Collect ClickHouse diagnostic data — system tables, query logs, merge status, and server metrics for support tickets and troubleshooting.

jeremylongshore/tons-of-skills-marketplace

Deploy ClickHouse-backed applications to Vercel, Fly.io, and Cloud Run with connection pooling, secrets, and health checks.

jeremylongshore/tons-of-skills-marketplace

Configure ClickHouse enterprise RBAC — SQL-based users, roles, row policies, column-level grants, and quota management.

jeremylongshore/tons-of-skills-marketplace

Create your first ClickHouse table, insert data, and run analytical queries.

jeremylongshore/tons-of-skills-marketplace

Install @clickhouse/client and configure authentication to ClickHouse Cloud or self-hosted.

jeremylongshore/tons-of-skills-marketplace

Run ClickHouse locally with Docker, configure test fixtures, and iterate fast.

jeremylongshore/tons-of-skills-marketplace

Execute ClickHouse schema migrations — ALTER TABLE operations, data migration between engines, versioned migration runners, and zero-downtime schema changes.

jeremylongshore/tons-of-skills-marketplace

Monitor ClickHouse with Prometheus metrics, Grafana dashboards, system table queries, and alerting for query performance, merge health, and resource usage.

jeremylongshore/tons-of-skills-marketplace

Optimize ClickHouse query performance with indexing, projections, settings tuning, and query analysis using system tables.

jeremylongshore/tons-of-skills-marketplace

Production readiness checklist for ClickHouse — server tuning, backup, monitoring, and deployment verification.

jeremylongshore/tons-of-skills-marketplace

Configure ClickHouse query concurrency, memory quotas, and connection limits.

jeremylongshore/tons-of-skills-marketplace

Production reference architecture for ClickHouse-backed applications — project layout, data flow, multi-tenant patterns, and operational topology.

jeremylongshore/tons-of-skills-marketplace

Production-ready patterns for @clickhouse/client — streaming inserts, typed queries, error handling, and connection management.

jeremylongshore/tons-of-skills-marketplace

Secure ClickHouse with user management, network restrictions, TLS, and audit logging.

jeremylongshore/tons-of-skills-marketplace

A skill your agent uses when upgrading ClickHouse server versions or the @clickhouse/client SDK, handling breaking changes between versions, or migrating from older client libraries — covers version…

jeremylongshore/tons-of-skills-marketplace

Ingest data into ClickHouse from webhooks, Kafka, and streaming sources with batching, dedup, and exactly-once patterns.

jeremylongshore/tons-of-skills-marketplace

Design Fly.io Managed Postgres, Fly Volumes, and private 6PN connectivity with explicit durability boundaries.

jeremylongshore/tons-of-skills-marketplace

Migrate Fly.io app configuration, runtime images, Machine resources, regions, volumes, or Managed Postgres through staged change control.

jeremylongshore/tons-of-skills-marketplace

Implement intelligent API response caching with Redis, Memcached, and CDN integration.

jeremylongshore/tons-of-skills-marketplace

Migrate to OCI Autonomous Database — wallet setup, mTLS, Data Pump, and python-oracledb.

jeremylongshore/tons-of-skills-marketplace

Implement Shopify app reference architecture with Remix, Prisma session storage, and the official app template patterns.

jeremylongshore/tons-of-skills-marketplace

Deep Supabase diagnostics: pgstatstatements for slow queries, lock debugging with pglocks, connection leak detection, RLS policy conflicts, Edge Function cold starts, and Realtime connection drop…

jeremylongshore/tons-of-skills-marketplace

Diagnose and fix Supabase errors across PostgREST, PostgreSQL, Auth, Storage, and Realtime.

jeremylongshore/tons-of-skills-marketplace

Optimize Supabase costs through plan selection, database tuning, storage cleanup, connection pooling, and Edge Function optimization.

jeremylongshore/tons-of-skills-marketplace

A skill your agent uses when reviewing Supabase code, onboarding developers, auditing an existing project, or debugging unexpected behavior — catches the twelve most common Supabase mistakes…

jeremylongshore/tons-of-skills-marketplace

A skill your agent uses when preparing a Supabase project for production load — traffic spikes, connection-limit tuning, read replicas for analytics queries, CDN caching for Storage, regional Edge…

jeremylongshore/tons-of-skills-marketplace

Database migration patterns with the Supabase CLI: npx supabase migration new, zero-downtime migrations, data backfill strategies, schema versioning, rollback strategies, and TypeScript type…

jeremylongshore/tons-of-skills-marketplace