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SKILL.md
npx skills add getsentry/webvitals.com --skill sentry-fix-issues
Find and fix issues from Sentry using MCP. Use when asked to fix Sentry errors, debug production issues, investigate exceptions, or resolve bugs reported in Sentry. Methodically analyzes stack traces, breadcrumbs, traces, and context to identify root causes.
npx skills add getsentry/webvitals.com --skill sentry-fix-issues
Discover, analyze, and fix production issues using Sentry's full debugging capabilities.
Use Sentry MCP to find issues. Confirm with user which issue(s) to fix before proceeding.
| Search Type | MCP Call |
|---|---|
| Recent unresolved | sentry_search_issues query: "is:unresolved" sort: "date" |
| Specific error type | sentry_search_issues query: "is:unresolved error.type:TypeError" |
| By ID | sentry_get_issue issue_id: "PROJECT-123" |
Gather ALL available context for each issue:
| Data Source | MCP Call | Extract |
|---|---|---|
| Core Error | sentry_get_issue | Exception type/message, full stack trace, file paths, line numbers, function names |
| Event Details | sentry_get_event | Breadcrumbs, tags, custom context, request data |
| Trace (if available) | sentry_get_trace | Parent transaction, spans, DB queries, API calls, error location |
| Replay (if available) | sentry_get_replay | User actions, UI state, network requests |
Before touching code, document:
Challenge yourself: Is this a symptom of a deeper issue? Check for similar errors elsewhere, related issues, or upstream failures in traces.
| Step | Actions |
|---|---|
| Locate Code | Read every file in stack trace from top down |
| Trace Data Flow | Find value origins, transformations, assumptions, validations |
| Error Boundaries | Check for try/catch - why didn't it handle this case? |
| Related Code | Find similar patterns, check tests, review recent commits (git log, git blame) |
Before writing code, confirm your fix will:
Apply the fix: Prefer input validation > try/catch, graceful degradation > hard failures, specific > generic handling, root cause > symptom fixes.
Add tests reproducing exact Sentry event conditions and verifying edge cases.
Complete before declaring fixed:
| Check | Questions |
|---|---|
| Evidence | Does fix address exact error message? Handle data state shown? Prevent ALL events? |
| Regression | Could fix break existing functionality? Other code paths affected? Backward compatible? |
| Completeness | Similar patterns elsewhere? Related Sentry issues? Add monitoring/logging? |
| Self-Challenge | Root cause or symptom? Considered all event data? Will handle if occurs again? |
Format:
MCP Tools: sentry_search_issues, sentry_get_issue, sentry_get_event, sentry_get_trace, sentry_get_replay, sentry_list_projects, sentry_get_project
Common Patterns: TypeError (check data flow, API responses, race conditions) • Promise Rejection (trace async, error boundaries) • Network Error (breadcrumbs, CORS, timeouts) • ChunkLoadError (deployment, caching, splitting) • Rate Limit (trace patterns, throttling) • Memory/Performance (trace spans, N+1 queries)