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fastmcp

Build, test, inspect, install, and deploy FastMCP servers in Python.

Updated Apr 26, 2026
Search Tags:#templates#deployment#python#scaffold#mcp#tools#fastmcp
One-click install
npx skills add https://github.com/dawsonblock/HERMY --skill fastmcp-dawsonblock
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: fastmcp
Source: https://github.com/dawsonblock/HERMY/tree/main/hermes-agent-2026.4.23/optional-skills/mcp/fastmcp
Command: npx skills add https://github.com/dawsonblock/HERMY --skill fastmcp-dawsonblock

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Build, test, inspect, install, and deploy MCP servers with FastMCP in Python. Use when creating a new MCP server, wrapping an API or database as MCP tools, exposing resources or prompts, or preparing a FastMCP server for Claude Code, Cursor, or HTTP deployment.

Core Features & Use Cases

  • Templates for API wrappers, read-only database servers, and deterministic file processors to scaffold MCP tools quickly.
  • Scaffold and template tooling to copy starter templates and replace server name placeholders.
  • Tool-first development workflow that emphasizes explicit tool definitions, docstrings, typed parameters, and safe defaults.
  • Local validation and testing using the FastMCP CLI to inspect, list, and call tools before integration.
  • Client installations and deployment into Claude Code, Claude Desktop, Cursor, or generic HTTP endpoints.
  • Environment checks and integration guidance via a small doctor script and templates for deployment readiness.

Quick Start

Run the scaffold_fastmcp script to generate a starter server from templates, then implement your first MCP tool and test locally.

Frequently Asked Questions about fastmcp

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I scaffold a new MCP server with FastMCP in Python?▼

To scaffold a new MCP server with FastMCP, run the provided scaffold_fastmcp script to generate a starter server from templates, then implement your first MCP tool using explicit definitions and typed parameters.

What is the best way to wrap an API or database as MCP tools?▼

The best way to wrap an API or database as MCP tools is using FastMCP templates for API wrappers and read-only database servers, which provide structured scaffolding to expose endpoints or queries as callable tools.

Can I deploy a FastMCP server to Claude Code or Cursor?▼

Yes, you can deploy a FastMCP server to Claude Code, Claude Desktop, Cursor, or generic HTTP endpoints. The Skill includes client installation guidance and deployment templates to prepare servers for integration.

How do I test and inspect MCP tools locally before deployment?▼

You test and inspect MCP tools locally using the FastMCP CLI to list, call, and validate tools before integration. A doctor script also checks environment readiness for deployment.

Do I need to define typed parameters and docstrings for MCP tools?▼

Yes, the FastMCP workflow emphasizes a tool-first development approach requiring explicit tool definitions, docstrings, typed parameters, and safe defaults to ensure reliable local validation and client integration.

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