Databases · ClickHouse

Helps users configure mirrord.json for database branching, enabling isolated database copies for safe development and testing.

metalbear-co/mirrord

Load this FIRST whenever working with PyTorch CI data (any pytorch/ org repo), the torchci/HUD codebase, or the PyTorch HUD ClickHouse database.

pytorch/test-infra

Understand onepixel database topology by environment, data ownership across app/events stores, and initialization/migration behavior.

championswimmer/onepixel_backend

Work inside the Databuddy monorepo for internal implementation, debugging, review, and refactoring.

databuddy-analytics/Databuddy

Expert system for generating, validating, and optimizing ClickHouse SQL.

FrankChen021/datastoria

Troubleshoot and resolve common issues with the ClickHouse Node.js client (@clickhouse/client).

vemetric/vemetric

Continue work on an existing PR - resolve conflicts, fix CI failures, address reviewer feedback, and push updates.

ClickHouse/ClickHouse

Locally reproduce ClickHouse CI performance comparison results for a given commit.

ClickHouse/ClickHouse

Edit an auto-generated ClickHouse release changelog into the form that gets committed to CHANGELOG.md.

ClickHouse/ClickHouse

Update a ClickHouse third-party library (contrib submodule) to a new version.

ClickHouse/ClickHouse

Audit open "flaky test" GitHub issues and close those whose tests are no longer failing on master.

ClickHouse/ClickHouse

Fix the "CH Inc sync" job in a pull request. An agent skill from ClickHouse/ClickHouse.

ClickHouse/ClickHouse

Analyze CI performance comparison reports for a ClickHouse PR.

ClickHouse/ClickHouse

A skill your agent uses when changing or reviewing Speakeasy ClickHouse schemas, migrations, queries, inserts, access principals, bootstrap SQL, Cloud compatibility, partial migration failures, or…

speakeasy-api/gram

Wavelet 项目专用：当新增或修改 ClickHouse 批量写入、接入 internal/infra/persistence/batchwriter、将业务域异步 flush 到分析表、迁移 riskcontrol/节点访问日志/可观测时序写入、或评估 asyncinsert 与背压策略时必须使用。本技能指导分层职责、各域独立 Writer 实例、repository 批量 API…

Rain-kl/OpenFlare

Seed reproducible local Langfuse data in ClickHouse and Postgres.

langfuse/langfuse

Unattended variant of continue-pr for automation (driven by utils/continue-all-prs.sh).

ClickHouse/ClickHouse

Investigate a ClickHouse CI failure end-to-end from a PR or S3 report URL.

ClickHouse/ClickHouse

Review a ClickHouse Pull Request for correctness, safety, performance, and compliance.

ClickHouse/ClickHouse

Diagnose ClickHouse cluster health and provide concrete remediation.

FrankChen021/datastoria

Debug a failed Activepieces flow run end-to-end: given a flow run id (or BullMQ job id), find why it failed, cross-referencing the live BullMQ job + Postgres rows (SSH script on the DevOps box), the…

activepieces/activepieces

Create and push a new semver release tag. An agent skill from ClickHouse/pg_stat_ch.

ClickHouse/pg_stat_ch

Measures what a ClickHouse query change actually costs, turning a suspicion that a query is slow into numbers a reviewer can act on before it merges.

comet-ml/opik

Wavelet 项目专用：当新增或修改数据库表结构、索引、初始化数据、系统配置 seed、模板 seed、默认管理员、goose SQL 迁移、internal/infra/persistence/migrator、ClickHouse 分析库 DDL 或数据库升级流程时必须使用。本技能指导在 internal/infra/persistence/migrator/goose 下编写…

Rain-kl/OpenFlare

Adding a new warehouse or source adapter crate to the Rocky engine.

rocky-data/rocky

ClickHouse数据库模式、查询优化、分析以及高性能分析工作负载的数据工程最佳实践. An agent skill from affaan-m/ECC.

affaan-m/ECC

Optimize slow queries, analyze SQL performance, and collect evidence for expensive workloads.

FrankChen021/datastoria

고성능 분석 워크로드를 위한 ClickHouse 데이터베이스 패턴, 쿼리 최적화, 분석 및 데이터 엔지니어링 모범 사례.

affaan-m/ECC

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

affaan-m/ECC

Database operations including querying, schema exploration, and data analysis.

xiaoyuge886/aigc

ClickHouse queries, Goose migrations, chdb test schema, or telemetry storage paths.

latitude-dev/latitude-llm

OpenFlare / Wavelet：当新增或修改日志/分析用途表（节点访问日志、用户访问日志、可观测时序）、接入 internal/repository/logstore、切换日志主库、实现 PG/SQLite 回落，或判断一张表该走业务主库还是日志库时必须使用。

Rain-kl/OpenFlare

Twice-monthly check that evlog's drain adapters still send what each provider's own client sends.

evloghq/evlog

Writing or debugging tests, choosing unit vs integration style, Postgres/ClickHouse tests, regenerating ClickHouse test schema, or exporting test helpers from packages without pulling test code into…

latitude-dev/latitude-llm

How to add a new attribute value (dimension) that the generic org-scoped telemetry.query analytics endpoint can group by and filter on.

speakeasy-api/gram

解答与开源产品有关的深度技术问题，输出图文并茂的 Markdown 技术文章。触发条件：用户提出与开源项目（如 PostgreSQL、Redis、Kafka、Kubernetes、ClickHouse、Flink 等）相关的技术问题，并提供源码目录或 URL、deepwiki repo 名称。即使用户只说"帮我解答这个开源问题"或"分析一下这个项目的某个机制"，也应使用本…

digoal/blog

Run isolated Moraine dev sandbox validation. An agent skill from eric-tramel/moraine.

eric-tramel/moraine

Review and run read-only natural-language SQL against a customer data warehouse with cached schema introspection and explicit write grants.

HybridAIOne/hybridclaw

ClickHouse 数据库模式、查询优化、分析以及高性能分析工作负载的数据工程最佳实践. An agent skill from xu-xiang/everything-claude-code-zh.

xu-xiang/everything-claude-code-zh

Time-series database implementation for metrics, IoT, financial data, and observability backends.

ancoleman/ai-design-components

Produce and structure slow-query performance reports for PostHog's production ClickHouse (US and EU).

PostHog/posthog

ClickHouse 数据库模式、查询优化、分析以及高性能分析负载的数据工程最佳实践. An agent skill from xu-xiang/everything-claude-code-zh.

xu-xiang/everything-claude-code-zh

How to add a new ingestion warning type to the event ingestion pipeline.

PostHog/posthog

ClickHouse migration patterns and rules. An agent skill from PostHog/posthog.

PostHog/posthog

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

PostHog/posthog

Runs read-only production database analysis through PostHog's internal Metabase instances.

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

Drive chmonitor the way a user does: the Rust CLI/TUI (chm / chmonitor in rust/ch-monitor-cli) is the primary surface; the dashboard at apps/dashboard and https://dash.chmonitor.dev is secondary.

chmonitor/chmonitor