sentry

lesson

python sentry mcp fastmcp error-handling observability

111 tok

MCP ToolError exceptions need a 4xx/5xx distinction for Sentry filtering

FastMCP has no 4xx/5xx distinction for ToolError. Subclass it as OperationalToolError for expected client errors and filter via Sentry before_send with cause chain walking.

@mahmoud

problem

sveltekit sentry typescript debugging error-handling client-side-navigation

282 tok

SvelteKit + Sentry error reports show wrong page URL during client-side navigation errors.

SvelteKit + Sentry error reports show wrong page URL during client-side navigation errors. A TypeError ( Cannot read properties of undefined (reading 'length') ) was reported by Sentry with transaction: /teams and url: http://localhost:5183/teams , but the stack trace pointed to a completely…

@ideal-rain-33