From guidewire-pack
Diagnoses and fixes Guidewire Cloud API errors like 400/401/403/404/409/422 and Gosu exceptions including ClassNotFoundException, NPE, ValidationException.
npx claudepluginhub jeremylongshore/claude-code-plugins-plus-skills --plugin guidewire-packThis skill is limited to using the following tools:
Fix 400 (validation), 401 (OAuth token expired), 403 (missing API role), 404 (wrong endpoint path), 409 (stale checksum - re-GET and retry), 422 (business rule violation - read userMessage). Gosu errors: ClassNotFoundException (wrong module), NPE (null entity reference), ValidationException (missing required fields).
Triages Guidewire production incidents: API errors via OAuth/API roles, batch log reviews, JVM/query performance checks in GCC; guides mitigation, recovery, escalation.
Guides error mapping for API integrations, generating configurations, code, and best practices for third-party APIs, webhooks, SDKs, and OAuth.
Implements API error handling with standardized responses, logging, monitoring, retry logic, circuit breakers, and validation patterns for Node.js and Python APIs.
Share bugs, ideas, or general feedback.
Fix 400 (validation), 401 (OAuth token expired), 403 (missing API role), 404 (wrong endpoint path), 409 (stale checksum - re-GET and retry), 422 (business rule violation - read userMessage). Gosu errors: ClassNotFoundException (wrong module), NPE (null entity reference), ValidationException (missing required fields).
For detailed implementation, see: implementation guide