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fastmcp

Build and deploy Python MCP servers with FastMCP tool contracts.

1|Updated May 16, 2026
Search Tags:#python#tooling#mcp#fastmcp#api wrapper#server deployment#local validation
One-click install
npx skills add https://github.com/devMoez/titan --skill fastmcp-devmoez
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: fastmcp
Source: https://github.com/devMoez/titan/tree/main/optional-skills/mcp/fastmcp
Command: npx skills add https://github.com/devMoez/titan --skill fastmcp-devmoez

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

FastMCP streamlines building and validating MCP servers in Python so you can quickly expose tools, resources, and prompts to MCP clients without guessing at the server contract.

Core Features & Use Cases

  • Scaffold MCP server code from templates: Start from ready-made Python templates for an API wrapper, a read-only SQLite database server, or a deterministic file processor.
  • Design safe, tool-first MCP interfaces: Create tools with clear verb-based names, typed parameters, docstrings, and JSON-safe outputs.
  • Validate locally before integration or deployment: Use fastmcp inspect, list, and call to confirm the exposed contract and that each tool works end-to-end.
  • Install into common MCP clients: Register the server for Claude Code / Claude Desktop / Cursor, or wire it into Titan via configuration.

Quick Start

Ask the AI: "Use FastMCP to scaffold a new MCP server from the API wrapper template, show how to implement tools for a single health endpoint, and provide the exact steps to inspect and call the tool locally."

Frequently Asked Questions about fastmcp

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

FAQPage Schema
How do I create an MCP server in Python to expose tools to Claude or Cursor?▼

You can scaffold a Python MCP server using FastMCP templates for API wrappers or file processors, define @mcp.tool functions with typed parameters, then register the server in Claude Desktop or Cursor configuration files.

What is the best way to validate MCP server tools locally before deployment?▼

Validate MCP server tools locally by running fastmcp inspect to confirm the exposed contract, list to view available tools, and call to execute each tool end-to-end before integration or deployment.

Can I wrap an existing API as an MCP server for agent clients?▼

Yes, you can use the API wrapper template to build an MCP server that wraps existing API endpoints, exposing them as MCP tools with clear verb-based names, typed parameters, and JSON-safe outputs for agent discovery.

Does FastMCP support exposing a read-only SQLite database to MCP clients?▼

FastMCP provides a read-only SQLite database server template, allowing you to expose database inspection capabilities as MCP resources and tools that agents can discover and query safely.

How do MCP resources differ from tools when building an MCP server?▼

MCP tools are defined with @mcp.tool for executable functions with typed parameters, while optional @mcp.resource definitions expose static or dynamic data contracts that MCP clients can discover and read.

What steps are needed to deploy an MCP server with HTTP transport validation?▼

After defining FastMCP server objects and @mcp.tool functions, run local validation with inspect, list, and call commands, then perform optional HTTP transport validation before installing the server into MCP clients.

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