Backend & APIs · ClickHouse · For developers

Build or review Langfuse backend code. An agent skill from langfuse/langfuse.

langfuse/langfuse

Comprehensive backend development guide for Litefuse's Next.js 14/tRPC/Express/TypeScript monorepo.

litefuse/litefuse

Operate any AR.IO node deployment — architecture, daily ops, diagnostics, and recurring pitfalls that apply to every operator.

ar-io/ar-io-node

Java conventions for the Opik backend: layered resource, service and DAO classes, naming rules, Lombok and Guice usage, and notes on MySQL, ClickHouse, migrations and testing.

comet-ml/opik

Sets up and troubleshoots MCP API key authentication for a stock data service, covering key creation, client configuration and per-tool usage statistics.

Yourdaylight/stock_datasource

Debug the signals pipeline locally end-to-end. An agent skill from PostHog/posthog.

PostHog/posthog

Query tophog — the ingestion pipeline's heavy-hitter store in ClickHouse — to identify hot or expensive actors (teamid, distinctid, sessionid, partition) during incident triage.

PostHog/posthog

Profiles slow PostHog API endpoints when the main cost is in Postgres or Python.

PostHog/posthog

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

jeremylongshore/tons-of-skills-marketplace

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

jeremylongshore/tons-of-skills-marketplace

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

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

Fix "content disappears after publishing" bugs caused by REST API indexing lag.

divinevideo/divine-mobile