Skill Claude CodeCodex
Use when getting oriented in an unfamiliar QuestDB instance through the questllens MCP server — mapping what tables exist, what they mean, what time period they cover, how they are partitioned, which columns are SYMBOLs, and how materialized views relate to base tables. Triggers on explore, what tables, what data, get…
Skill Claude CodeCodex
Use when asked whether a QuestDB instance is healthy, whether ingestion is working, why data looks stale or missing, or for a general triage sweep through the questllens MCP server. Covers WAL lag and suspension, row staleness, partition anomalies, storage growth, and long-running queries. Triggers on health check, is…
Skill Claude CodeCodex
Use when a QuestDB query is slow, times out, returns too many rows, or needs to be written efficiently in the first place, working through the questllens MCP server. Covers SAMPLE BY sizing, partition pruning, SYMBOL filtering, LATEST ON, ASOF JOIN, and reading EXPLAIN output. Triggers on slow query, query timeout…
Skill Claude CodeCodex
Use when working with a QuestDB instance through the questllens MCP server — at the start of any time-series database task (writing SQL, exploring a schema, sizing a SAMPLE BY, checking WAL lag or ingestion health, inspecting partitions or storage, general DBA work), or when unsure which questllens tool or companion…