From Specification to Live: How a Dispatch SaaS Achieved ChatGPT Tool Integration in Days

Model Context Protocol adoption is rapidly expanding, but implementation details for production services remain complex. This case study reveals how a mature SaaS platform moved from MCP specification to live ChatGPT tool invocation in days rather than weeks—documenting 12 critical pitfalls encountered along the way. The detailed trap analysis provides actionable guidance for any team integrating AI-powered tool calling into existing systems.