Skill Claude CodeCodex
Use when asked to review a PR, commit, commit range, branch, patch, or pasted diff for duplicated functionality, reinvented wheels, not-invented-here patterns, parallel abstractions, inconsistent naming, inconsistent settings/APIs/schemas/metrics/errors/logs, redundant config keys, non-standard implementations, or…
Skill Claude CodeCodex
Register a temporary MCP connector in claude.ai and/or chatgpt.com, verify it works, then offer cleanup. Trigger when the user wants to test an MCP server URL through a real AI frontend — phrases like "test mcp", "add test connector", "smoke-test mcp server", "register connector for testing", "check mcp in claude"…
Skill Claude CodeCodex
Use when the user asks for a multi-perspective review of a Go diff, PR, branch, commit range, or commit hash. Triggers on requests like "review this PR", "umbrella review", "do a full review", "deep review of branch X", or any Go-codebase code review where multiple independent angles (security, perf, concurrency…
Instructions file CodexOpenCode
Instructions for Altinity/altinity-skills: Run select hostName(), version() query to test.
Skill Claude CodeCodex
Analyze ClickHouse cache systems including mark cache, uncompressed cache, and query cache. Use for cache hit ratio issues and cache tuning.
Skill Claude CodeCodex
Establishes the ClickHouse connection mode, cluster macro, and default log timeframe for diagnostics. Use first, before any other altinity-expert-clickhouse skill, to verify connectivity and set shared analysis rules.
Skill Claude CodeCodex
Analyze ClickHouse external dictionaries including configuration, memory usage, reload status, and performance. Use for dictionary issues and load failures.
Skill Claude CodeCodex
Diagnose and resolve ClickHouse grant and authentication errors, especially after upgrades. Use when queries fail with ACCESSDENIED/NOTENOUGHPRIVILEGES, AUTHENTICATIONFAILED/WRONGPASSWORD/REQUIREDPASSWORD, or ON CLUSTER privilege errors; when system. or INFORMATIONSCHEMA access is denied; or when grant behavior…
Skill Claude CodeCodex
Analyze whether ClickHouse indexes (PRIMARY KEY, ORDER BY, skipping indexes, projections) are being used effectively for actual query patterns. Use when investigating index effectiveness, ORDER BY key design, query-to-index alignment, or when queries scan more data than expected.
Skill Claude CodeCodex
Diagnose ClickHouse INSERT performance, batch sizing, part creation patterns, and ingestion bottlenecks. Use for slow inserts and data pipeline issues.
Skill Claude CodeCodex
Diagnose ClickHouse Kafka engine health, consumer status, thread pool capacity, and consumption issues. Use for Kafka lag, consumer errors, and thread starvation.
Skill Claude CodeCodex
Analyze ClickHouse system log table health including TTL configuration, disk usage, freshness, and cleanup. Use for system log issues and TTL configuration.
Skill Claude CodeCodex
Diagnose ClickHouse RAM usage, OOM errors, memory pressure, and allocation patterns. Use for memory-related issues and out-of-memory errors.
Skill Claude CodeCodex
Diagnose ClickHouse merge performance, part backlog, and 'too many parts' errors. Use for merge issues and part management problems.
Skill Claude CodeCodex
Real-time monitoring of ClickHouse metrics, events, and asynchronous metrics. Use for load average, connections, queue monitoring, and resource saturation.
Skill Claude CodeCodex
Track and diagnose ClickHouse ALTER UPDATE, ALTER DELETE, and other mutation operations. Use for stuck mutations and mutation performance issues.
Skill Claude CodeCodex
Runs a fast ClickHouse server health snapshot and routes to specialist skills. Use as the entry point for general health checks or when the problem area is not yet known.
Skill Claude CodeCodex
Diagnose ClickHouse issues by analyzing system.partlog (part creation, merges, mutations, downloads, removals, moves). Use for too many parts / micro-batch inserts, merge backlog or slow merges, mutation storms (ALTER DELETE/UPDATE), unusual replication DownloadPart churn, unexpected RemovePart spikes, or…
Skill Claude CodeCodex
Diagnose ClickHouse replication health, Keeper connectivity, replica lag, and queue issues. Use for replication lag and read-only replica problems.
Skill Claude CodeCodex
Diagnose ClickHouse SELECT query performance, analyze query patterns, identify slow queries, and find optimization opportunities. Use for query latency and timeout issues.
Skill Claude CodeCodex
Analyze ClickHouse table structure, partitioning, ORDER BY keys, materialized views, and identify schema design anti-patterns. Use for table design issues and optimization.
Skill Claude CodeCodex
Read-only ClickHouse security audit expert for live or exported systems. Use when assessing ClickHouse security posture, reviewing users, roles, grants, settings profiles, row policies, table functions, external sources, table engines, executable UDFs, audit logs, named collections, password hash hygiene, SQL SECURITY…
Skill Claude CodeCodex
Diagnose ClickHouse disk usage, compression efficiency, part sizes, and storage bottlenecks. Use for disk space issues and slow IO.
Skill Claude CodeCodex
Profile a ClickHouse cluster via MCP and emit a per-cluster "analyst" Skill the user can save in claude.ai. Activate when the user asks to "profile this ClickHouse", "generate an analyst skill", "build a schema guide", "map the data in this cluster", or regenerate an existing cluster-analyst Skill after schema…