MCP Server Development Guide

Process

High-Level Workflow

Build an MCP server in four phases:

Phase 1: Deep Research and Planning

1.1 Understand Agent-Centric Design Principles

Before implementation, design tools around agent workflows:

Build for Workflows, Not Just API Endpoints:

• Do not mirror every API endpoint by default. Group endpoints into workflow tools when one user task requires multiple API calls.
• Consolidate related operations (e.g., schedule_event that both checks availability and creates event)
• List the top user workflows and map each tool to one workflow.