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cockroachdb

@cockroachdb source repo

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1. ▌
   Bug Catcher · cockroachdb

   Audit a Go package in this repository for subtle correctness bugs, including both bugs inside the package and bugs in how the rest of the repository uses it. Optimized for Pebble- and CockroachDB-style code where invariants, iterator semantics, ownership, and API contracts matter more than style issues.
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   Code Review · cockroachdb

   Review code, PRs, diffs, and changes in the Pebble codebase for correctness issues including resource leaks, concurrency bugs, iterator misuse, and lint violations. Use when asked to review code, a pull request, diff, or changes.
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   Doc Catcher · cockroachdb

   Audit a Go package in this repository for incorrect or misleading code comments — places where the documentation contradicts what the code actually does. Optimized for Pebble- and CockroachDB-style code where comments encode contracts, invariants, and ownership rules that callers depend on.
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   Edg Config · cockroachdb

   Generate or modify edg workload configurations (YAML or DSL) from a natural language description of the desired schema and workload.
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   Edg Migrate · cockroachdb

   Convert an edg config between database drivers (e.g., pgx to mysql) or between formats (YAML to DSL, DSL to YAML).
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   Edg Validate · cockroachdb

   Validate an edg config file (YAML or DSL), interpret errors, and suggest fixes.
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   Edg Expression · cockroachdb

   Help compose edg expressions. Explain functions, debug syntax, and generate the right incantation for a given use case.
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8. ▌
   Configuring Cockroachdb Helm Tls · cockroachdb

   Selects and validates TLS settings for CockroachDB Helm chart deployments, including self-signer, cert-manager, and external certificate modes. Use when a customer needs secure CockroachDB Helm values, certificate secret mapping, cert-manager integration, or TLS install troubleshooting before deploying the chart.
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9. ▌
   Installing Cockroachdb With Helm · cockroachdb

   Guides customer-facing installation of CockroachDB on Kubernetes using the CockroachDB split Helm charts and operator-managed v1beta1 resources. Use when installing CockroachDB with Helm, choosing between published and local split charts, verifying a new install, or helping an agent complete first-time Kubernetes onboarding.
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10. ▌
    Validating Cockroachdb Helm Multiregion · cockroachdb

    Validates CockroachDB Helm chart values and Kubernetes prerequisites for operator-managed multi-region deployments. Use before adding a region, deploying CockroachDB across multiple Kubernetes clusters, checking region DNS domains, or confirming that all regions share certificate and networking assumptions.
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11. ▌
    Debugging Cockroachdb Operator Migrations · cockroachdb

    Debugs CockroachDB Operator migration scenarios, including Helm StatefulSet to v1beta1 CrdbNode migration and public operator v1alpha1 to v1beta1 migration. Use when migration labels, migration phases, source StatefulSet ownership, converted CRDs, PVC ownership, or post-migration reconciliation are unclear or stuck.
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12. ▌
    Diagnosing Cockroachdb Helm Deployments · cockroachdb

    Diagnoses failed or unhealthy CockroachDB Helm chart deployments by checking Helm release state, operator health, CrdbCluster and CrdbNode status, pod readiness, RBAC, webhooks, TLS, upgrades, scaling, PVCs, DNS, and multi-region assumptions. Use when Helm install or upgrade fails, pods are not Ready, or the operator is not reconciling.
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13. ▌
    Collecting Cockroachdb Operator Escalation Packet · cockroachdb

    Collects a complete CockroachDB Operator escalation packet for TSC/TSE or operator-team handoff, including Helm state, Kubernetes resources, logs, operation-specific evidence, pprof goroutine dumps, metrics, and a customer action timeline. Use when general diagnosis cannot resolve an operator-managed CockroachDB Helm issue or before restarting a stuck operator.
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14. ▌
    Molt Fetch · cockroachdb bundle

    Guide for using molt fetch to migrate data from PostgreSQL, MySQL, Oracle, or MSSQL to CockroachDB. Use when running molt fetch commands, configuring storage backends, handling fetch failures/resumption, or chaining fetch with verify.
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15. ▌
    Molt Verify · cockroachdb bundle

    Guide for using molt verify to compare source and target databases for schema and row-level consistency after a migration. Use when running verify commands, tuning concurrency/sharding, handling schema mismatches, or validating data integrity post-migration.
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16. ▌
    Cockroachdb SQL · cockroachdb bundle

    Use when writing, generating, or optimizing SQL for CockroachDB, designing CockroachDB schemas, or when the user asks about CockroachDB-specific SQL patterns, type mappings, and distributed database best practices. Also use when encountering CockroachDB anti-patterns like missing primary keys, sequential ID hotspots, or incorrect type usage.
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    Molt Replicator · cockroachdb bundle

    Guide for using the CockroachDB replicator to continuously replicate changes from PostgreSQL, MySQL, or Oracle to CockroachDB after an initial molt fetch data load. Use when setting up CDC replication, configuring pglogical/mylogical/oraclelogminer, or managing the fetch → replicator cutover workflow.
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18. ▌
    Auditing Cis Benchmark · cockroachdb bundle

    Audits a self-hosted CockroachDB cluster against the CIS CockroachDB Benchmark v1.0.0 Level 1 controls. Supports two audit depths — quick automated scans and full CIS audit procedures. Produces a structured PASS/FAIL/MANUAL report covering installation, system hardening, logging, user access, data protection, and CockroachDB settings. Use when preparing for CIS compliance assessments, hardening self-hosted deployments, or validating security posture against industry benchmarks.
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19. ▌
    Configuring Log Export · cockroachdb bundle

    Configures log and metric export for CockroachDB Cloud clusters to external monitoring services including AWS CloudWatch, GCP Cloud Logging, and Datadog. Use when setting up log export for audit compliance, configuring metric export for monitoring, or troubleshooting log delivery issues.
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20. ▌
    Configuring Sso And Scim · cockroachdb bundle

    Configures SSO authentication and SCIM 2.0 provisioning for CockroachDB across four distinct layers — Cloud Console SSO (SAML/OIDC), DB Console SSO (OIDC), SQL/Cluster SSO (JWT or LDAP/AD), and SCIM 2.0 automated provisioning. Use when enabling centralized identity management, setting up SSO for compliance, or automating user lifecycle management.
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21. ▌
    Enabling Cmek Encryption · cockroachdb bundle

    Enables Customer-Managed Encryption Keys (CMEK) on CockroachDB Cloud clusters with the Advanced plan and Advanced Security Add-on to give organizations control over data-at-rest encryption keys via their cloud provider's KMS. Use when enabling CMEK for compliance, rotating encryption keys, or verifying CMEK configuration.
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22. ▌
    Reviewing Cluster Health · cockroachdb bundle

    Performs a comprehensive health check of a CockroachDB cluster. Gathers deployment context first, then provides tier-appropriate diagnostics. Self-Hosted uses SQL against node-level system tables and CLI. Advanced/BYOC use Cloud Console and SQL with node visibility. Standard monitors provisioned compute and workload via Cloud Console. Basic monitors Request Unit consumption and connectivity. Use for daily checks, pre-maintenance validation, post-incident verification, or production readiness assessment.
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23. ▌
    Setting Up Local Cluster · cockroachdb

    Downloads and starts a local CockroachDB cluster for development using the official binary. Use when a developer needs a local CockroachDB instance, when no cluster is available, or when setting up a new development environment.
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24. ▌
    Auditing Table Statistics · cockroachdb bundle

    Audits optimizer table statistics for staleness, missing coverage, and data quality issues using SHOW STATISTICS. Use when diagnosing poor query performance, unexpected plan changes, or after bulk data changes to identify stale statistics requiring refresh via CREATE STATISTICS.
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25. ▌
    Configuring Audit Logging · cockroachdb bundle

    Configures SQL audit logging on CockroachDB clusters to capture security-relevant events including authentication, privilege changes, and sensitive data access. Use when enabling audit logging for compliance, setting up role-based audit policies, or verifying audit configuration.
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26. ▌
    Configuring Ip Allowlists · cockroachdb bundle

    Configures and hardens IP allowlists for CockroachDB Cloud clusters to restrict network access to authorized CIDR ranges. Use when tightening network security, removing overly permissive allowlist entries like 0.0.0.0/0, or setting up allowlists for a new cluster.
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27. ▌
    Hardening User Privileges · cockroachdb bundle

    Hardens CockroachDB user privileges by auditing and tightening role-based access control, reducing admin grants, restricting PUBLIC role permissions, and applying least-privilege principles. Use when reducing excessive privileges, cleaning up admin access, or implementing RBAC best practices.
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28. ▌
    Managing Cluster Capacity · cockroachdb bundle

    Manages CockroachDB cluster capacity across all tiers. Self-Hosted covers node decommissioning for permanent removal and adding nodes for expansion. Advanced/BYOC covers scaling node count and machine size via Cloud Console, API, or Terraform. Standard covers adjusting provisioned compute (vCPUs). Basic auto-scales — guidance covers spending limits and cost management. Use when scaling capacity up or down, permanently removing nodes, or managing costs.
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29. ▌
    Managing Cluster Settings · cockroachdb bundle

    Reviews, audits, and modifies CockroachDB cluster settings. Self-Hosted has full control over all settings and start flags. Advanced/BYOC can modify most SQL-level settings but infrastructure settings are managed by CRL. Standard has limited settings access — session variables are the primary tuning mechanism. Basic has minimal settings — use session variables and Cloud Console. Use when auditing configuration, tuning performance, or troubleshooting settings-related issues.
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30. ▌
    Managing Tls Certificates · cockroachdb bundle

    Manages TLS certificates for CockroachDB clusters including CA certificate configuration, client certificate authentication, certificate rotation, and troubleshooting SSL/TLS connection errors. Use when setting up client certificate auth, resolving SSL connection failures, rotating certificates, or configuring mTLS for CDC changefeeds.
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31. ▌
    Upgrading Cluster Version · cockroachdb

    Guides CockroachDB version upgrades with tier-appropriate procedures. Self-Hosted covers manual rolling binary replacement with finalization control. Advanced/BYOC covers Console-initiated major upgrades, maintenance windows for patches, and release channel selection. Standard and Basic upgrades are fully automatic with no customer action required. Use when planning, executing, or monitoring a version upgrade.
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32. ▌
    Monitoring Background Jobs · cockroachdb bundle

    Monitors CockroachDB background job health by identifying failed, paused, and long-running jobs using SHOW JOBS and SHOW AUTOMATIC JOBS. Surfaces schema changes, backups/restores, automatic statistics collection, and SQL stats compaction jobs without DB Console access. Use when investigating schema change delays, failed backups, or automatic job issues.
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33. ▌
    Triaging Live SQL Activity · cockroachdb bundle

    Diagnoses live CockroachDB cluster performance issues by identifying long-running queries, busy sessions, and active transactions using SQL-only interfaces. Use when users report cluster slowness, high CPU, or need to find runaway queries and their source applications without DB Console access.
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34. ▌
    Enforcing Password Policies · cockroachdb bundle

    Configures and enforces password policies on CockroachDB clusters including minimum length, complexity requirements, and hash cost settings. Use when strengthening authentication requirements, setting up password policies for a new cluster, or meeting compliance password standards.
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35. ▌
    Analyzing Range Distribution · cockroachdb bundle

    Analyzes CockroachDB range distribution across tables and indexes using SHOW RANGES to identify range count, size patterns, leaseholder placement, and replication health. Use when investigating hotspots, uneven data distribution, range fragmentation, or validating zone configuration effects without DB Console access.
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36. ▌
    Performing Cluster Maintenance · cockroachdb bundle

    Manages planned cluster maintenance across all tiers. Self-Hosted covers node drain procedures for OS patching, hardware changes, and configuration updates. Advanced/BYOC covers maintenance window configuration, patch scheduling, deferral policies, and monitoring during CRL-managed maintenance. Standard and Basic maintenance is fully managed with no customer action. Use when planning maintenance, configuring maintenance windows, or preparing applications for maintenance events.
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37. ▌
    Auditing Cloud Cluster Security · cockroachdb bundle

    Audits the security posture of a CockroachDB cluster (Cloud or self-hosted) across network, authentication, authorization, encryption, audit logging, and backup dimensions. Use when assessing cluster security readiness, preparing for compliance reviews, or investigating security configuration gaps.
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38. ▌
    Configuring Private Connectivity · cockroachdb bundle

    Configures private network connectivity for CockroachDB Cloud clusters including AWS PrivateLink, GCP Private Service Connect, Azure Private Link, egress private endpoints, and VPC peering. Use when setting up private endpoints to eliminate public internet exposure, configuring egress to external services like Kafka, or establishing VPC peering.
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39. ▌
    Profiling Statement Fingerprints · cockroachdb bundle

    Ranks and analyzes statement fingerprints using aggregated SQL statistics from crdb_internal.statement_statistics to identify slow, resource-intensive, or error-prone query patterns. Use when investigating historical performance trends, identifying optimization opportunities, or diagnosing recurring slowness without DB Console access.
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40. ▌
    Benchmarking Transaction Patterns · cockroachdb

    Guides benchmarking and comparing explicit multi-statement transactions versus single-statement CTE transactions in CockroachDB, with fair test methodology, contention analysis, and performance interpretation. Use when comparing transaction formulations, benchmarking CockroachDB workloads under contention, investigating retry pressure, or deciding whether to rewrite multi-step application flows into single SQL statements.
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41. ▌
    Designing Application Transactions · cockroachdb bundle

    Guides application developers in designing correct and performant transaction patterns for CockroachDB, covering transaction lifetime, implicit vs explicit transactions, retry handling with exponential backoff, pushing invariants into SQL, selective pessimistic locking, set-based operations, connection pooling, prepared statements, keyset pagination, follower reads, and separating business logic from database logic. Use when building applications on CockroachDB, designing transaction workflows, handling retries, optimizing application-layer database interactions, or configuring connection pools.
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42. ▌
    Preparing Compliance Documentation · cockroachdb bundle

    Guides preparation of compliance documentation for CockroachDB Cloud deployments, covering SOC 2, PCI DSS, ISO 27001, HIPAA, and GDPR certifications. Use when responding to compliance questionnaires, preparing for audits, locating certification documents, or assessing cluster configuration for compliance readiness.
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43. ▌
    Profiling Transaction Fingerprints · cockroachdb bundle

    Analyzes transaction fingerprints using aggregated statistics from crdb_internal.transaction_statistics to identify high-retry transactions, contention patterns, and commit latency issues. Provides historical transaction-level analysis to understand which statement combinations are causing retries, contention, or performance degradation. Use when investigating transaction retry storms, analyzing commit latency trends, or understanding statement composition of problematic transactions without DB Console access.
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44. ▌
    Designing Multi Region Applications · cockroachdb

    Guides developers in selecting and implementing multi-region patterns for CockroachDB applications, covering active-passive vs active-active architectures, REGIONAL BY ROW, GLOBAL tables, manual geo-partitioning with lease preferences, and live demo setup with validation queries. Use when designing multi-region database topologies, choosing between REGIONAL BY ROW and manual partitioning, building multi-region demos, or optimizing cross-region latency.
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45. ▌
    Provisioning Cluster For Production · cockroachdb bundle

    Guides initial CockroachDB cluster provisioning and production deployment. Self-Hosted covers cockroach start/init, Kubernetes deployment (Operator, Helm), hardware sizing, and production configuration. Advanced/BYOC covers Cloud Console, API, and Terraform provisioning with production settings. Standard covers cluster creation and provisioned compute selection. Basic covers cluster creation and spending limits. Use when creating a new cluster, preparing for production go-live, or validating deployment configuration.
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46. ▌
    Analyzing Schema Change Storage Risk · cockroachdb bundle

    Estimates storage requirements for CockroachDB online schema change backfills using SHOW RANGES WITH DETAILS, KEYS, INDEXES. Use before CREATE INDEX, ADD COLUMN with INDEX/UNIQUE, ALTER PRIMARY KEY, CREATE MATERIALIZED VIEW, CREATE TABLE AS, REFRESH, or SET LOCALITY on tables with large per-index footprints, to avoid mid-backfill disk exhaustion.
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47. ▌
    Managing Certificates And Encryption · cockroachdb bundle

    Manages TLS certificate and encryption key lifecycle across all tiers. Self-Hosted covers certificate expiry monitoring, node/CA/client cert rotation, and Kubernetes cert management. Advanced/BYOC covers managed TLS (no action) and CMEK (Customer-Managed Encryption Key) rotation in your KMS. Standard and Basic have fully managed TLS and encryption with no customer action. CMEK is only available on Advanced. Use when monitoring cert health, performing rotation, managing CMEK, or responding to key compromise.
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48. ▌
    Drt Analyze · cockroachdb bundle

    Analyze DRT cluster health for a given time range. Reconstructs the operations timeline, checks CockroachDB metrics (availability, latency, storage, changefeeds, jobs, goroutines, admission control, LSM, KV prober) and logs for anomalies, correlates findings with disruptive operations to distinguish expected side-effects from real bugs. Use when asked to "analyze DRT", "check cluster health", "what happened on the DRT cluster", "DRT health report", investigate DRT issues, or review DRT operations. Also use when the user mentions a DRT cluster name (drt-scale, drt-chaos, drt-large, etc.) in the context of health or operations.
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49. ▌
    Review Crdb · cockroachdb

    Review code changes or PRs for quality, correctness, and reviewability. Use when asked to "review", "check", "provide feedback", or "post a review". Dispatches specialized agents in parallel for thorough analysis.
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50. ▌
    Commit Helper · cockroachdb

    Help create git commits and PRs with properly formatted messages and release notes following CockroachDB conventions. Use when committing changes or creating pull requests.
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51. ▌
    Bump Cluster UI · cockroachdb

    Bump cluster-ui package version after a release branch cut. Creates two PRs — one to drop the prerelease suffix on the release branch and one to increment the minor version on master.
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52. ▌
    File Crdb Issue · cockroachdb

    Use when filing, creating, or reporting GitHub issues for CockroachDB. Use when asked to open a bug report, feature request, investigation issue, or performance inquiry. Also use when the user mentions wanting to track a problem, report a regression, or document unexpected behavior in CockroachDB.
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53. ▌
    Engflow Artifacts · cockroachdb bundle

    Use when downloading test logs, artifacts, or outputs.zip from EngFlow build invocations. Use when investigating CockroachDB CI test failures hosted on mesolite.cluster.engflow.com.
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54. ▌
    System Table Change · cockroachdb

    Use when adding, removing, or modifying columns/indexes on system tables. Provides a checklist covering schema definitions, migrations, version gates, golden files, and test hashes.
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55. ▌
    Redux To Swr · cockroachdb

    Migrate React components from Redux + Saga to SWR hooks. Use when converting data fetching from Redux store (reducers, sagas, selectors, connect HOC) to SWR-based hooks in CockroachDB DB Console or cluster-ui.
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56. ▌
    Skip Test With Issue · cockroachdb

    Skip a flaky or broken test with proper issue tracking. Use when asked to skip a test, disable a test, or mark a test as flaky.
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57. ▌
    Backport Pr Assistant · cockroachdb

    Help backport PRs to release branches using the backport CLI tool. Use when backporting changes that have merge conflicts requiring manual resolution.
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58. ▌
    UI Visual Regression · cockroachdb

    Automates visual regression testing for DB Console UI changes. Compares screenshots and network requests between the current branch and its merge base using roachprod, playwright-cli, and ImageMagick. Use when the user wants to verify UI changes haven't introduced visual or behavioral regressions.
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59. ▌
    React Class To Functional · cockroachdb

    Convert React class components to functional components with hooks
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60. ▌
    Mma Investigator · cockroachdb bundle

    Expert system for investigating MMA (Multi-Metric Allocator) behavior on CockroachDB clusters. Helps oncall engineers diagnose load imbalances, understand rebalancing decisions, and identify why MMA did or didn't act.
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