Miles McGuire enhanced error handling in the speakeasy-api/gram repository by implementing logic that maps HTTP response statuses to the MCP tool results’ isError field. Using TypeScript and leveraging skills in API development and testing, Miles addressed a gap where non-200 responses could be misreported as successful executions. This update ensures that failures across all content types—text, image, and audio—are accurately surfaced to MCP clients, improving reliability and observability. The work involved updating the Gram-to-MCP bridging logic to align with specification requirements, and was delivered through collaborative development, demonstrating depth in error handling and robust cross-system integration.