while comprehensive coverage gives agents flexibility to compose operations. Performance varies by client—some clients benefit from code execution that combines basic tools

Mar 20, 2026

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The official MCP Python SDK provides FastMCP

This document provides Python-specific best practices and examples for implementing MCP servers using the MCP Python SDK. It covers server setup

- [ ] Tools enable complete workflows

* This server provides tools to interact with Example API

const data = await apiRequest(params.limit

email: string

This tool searches across all user profiles in the Example platform

description: `Search for users in the Example system by name

│ └── constants.ts # Shared constants (API_URL

- **DO NOT use**: Old deprecated APIs such as `server.tool()`

<question>Look for pull requests that modified files in the /api directory and were merged between January 1 and January 31

After understanding the API and tools

- Example: if finding a paper name

- Questions must be designed so there is a single

- Email address

- Store API keys in environment variables

3. **Be action-oriented**: Start with verbs (get

- **Python**: `{service}_mcp` (e.g.

- **MCP Protocol**: Start with sitemap at `https://modelcontextprotocol.io/sitemap.xml`

Prioritize comprehensive API coverage. List endpoints to implement

- [🐍 Python Guide](./reference/python_mcp_server.md) - Module organization

- **Language**: TypeScript (high-quality SDK support and good compatibility in many execution environments e.g. MCPB. Plus AI models are good at generating TypeScript code

Review the service's API documentation to identify key endpoints

Balance comprehensive API endpoint coverage with specialized workflow tools. Workflow tools can be more convenient for specific tasks

- DO NOT use: Old deprecated APIs such as `server.tool()`

3. Be action-oriented: Start with verbs (get

- Python: `{service}_mcp` (e.g.

- MCP Protocol: Start with sitemap at `https://modelcontextprotocol.io/sitemap.xml`

- Language: TypeScript (high-quality SDK support and good compatibility in many execution environments e.g. MCPB. Plus AI models are good at generating TypeScript code