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From faultline
Investigates a Faultline error group by fetching group details, the most recent occurrence with full backtrace and local variables, and optionally correlated traces for performance issues. Proposes a fix grounded in the data.
How this skill is triggered — by the user, by Claude, or both
Slash command
/faultline:debug <error-group-id><error-group-id>The summary Claude sees in its skill listing — used to decide when to auto-load this skill
Investigate Faultline error group $ARGUMENTS using the `faultline:debugging` skill's investigation order:
Investigate Faultline error group $ARGUMENTS using the faultline:debugging skill's investigation order:
get_error_group with id: $ARGUMENTS.recent_occurrences array.get_occurrence with that id for the full backtrace, captured local variables, and request context.list_traces filtered to the relevant endpoint, then get_trace for span detail.After the investigation, propose a fix with citations to specific files and line numbers from the backtrace, grounded in the local variable values.
npx claudepluginhub dlt/faultline --plugin faultlineLists recent unresolved errors from a Faultline instance and prompts the user to investigate a specific error group.
Analyzes and resolves errors across distributed systems using observability tools, structured logging, and distributed tracing. Best for debugging production incidents and root cause analysis.
Investigates a single PostHog error tracking issue end-to-end: aggregates, sample events, segment breakdowns, linked replays, and a hypothesis summary.