FastMCP vs MCP TypeScript SDK

FastMCP

MCP Servers

MCP TypeScript SDK

MCP Servers

Tagline

FastMCP

The fast, Pythonic way to build MCP servers and clients.

MCP TypeScript SDK

Official TypeScript SDK for building Model Context Protocol servers and clients.

Pricing

FastMCP

Free

MCP TypeScript SDK

Free· Free and open source (Apache 2.0 for new contributions; older code MIT).

API

FastMCP

Yes

MCP TypeScript SDK

Yes

Open source

FastMCP

Yes · Apache-2.0

MCP TypeScript SDK

Yes · NOASSERTION

GitHub stars

FastMCP

28,225

checked 2026-10-29

MCP TypeScript SDK

13,675

checked 2026-10-29

Last GitHub push

FastMCP

2026-10-29

MCP TypeScript SDK

2026-10-28

First commit

FastMCP

2024-11

MCP TypeScript SDK

2024-09

Package downloads (30 d)

FastMCP

53,693,015 · pypi fastmcp

checked 2026-10-11

MCP TypeScript SDK

37,298,999 · npm @modelcontextprotocol/server

checked 2026-10-16

Best for

FastMCP

—

MCP TypeScript SDK

TypeScript and Node.js developers building MCP servers to expose internal APIs or data to Claude Desktop, Cursor and other MCP-aware agents, or building agent apps that consume MCP tools.

Not for

FastMCP

—

MCP TypeScript SDK

Non-JavaScript stacks, teams that want a no-code tool-builder UI, or anyone looking for a hosted MCP marketplace rather than an SDK to write servers with.

Editorial score

FastMCP

—

MCP TypeScript SDK

—

Use cases

FastMCP

Wrapping Python functions as MCP tools, resources, and promptsCreating interactive UIs for tools within a conversation

MCP TypeScript SDK

Wrapping an internal REST API as an MCP serverExposing a database to Claude Desktop as tools and resourcesBuilding a hosted Streamable-HTTP MCP server with OAuthWriting an agent that consumes third-party MCP serversAdding MCP tool support to a Cursor or VS Code extensionPrototyping MCP servers in Bun or DenoIntegration-testing MCP servers with an in-memory client transportPublishing a company-internal tool catalog over MCP

Pros

FastMCP

• Automatically generates schemas, validation, and documentation from Python functions.
• Manages transport negotiation, authentication, and protocol lifecycle automatically.
• Covers the full stack of servers, clients, and interactive apps.

MCP TypeScript SDK

• Official reference implementation — tracks new MCP spec revisions faster than community SDKs
• Covers both server and client sides in one package family, so agents and tools share types
• Standard Schema support means you can bring Zod, Valibot or ArkType instead of a proprietary validator
• Middleware adapters for Express, Fastify, Hono and node:http make hosted deployment straightforward
• First-class Node, Bun and Deno runtime support
• Built-in OAuth 2.1 helpers remove most of the auth boilerplate for remote servers
• Apache 2.0 / MIT licensing is friendly for commercial and closed-source use

Cons

FastMCP

—

MCP TypeScript SDK

• MCP itself is young and the spec still shifts — v2 (2026-07-28) is a breaking change from v1 servers
• Documentation is improving but examples still lag Python SDK coverage for advanced patterns
• TypeScript-only — teams on Go, Rust or PHP need a different SDK or a thin wrapper
• Streamable HTTP transport is newer than stdio and has fewer battle-tested production references
• You still write, deploy and secure the server yourself; the SDK does not provide hosting or a registry

Website

FastMCP

github.com

MCP TypeScript SDK

github.com

Editorial score: rule-based, 0–10, from AI-assisted profile inputs (see /methodology) — not a user rating; “—” means unscored. “Not listed” means we have no record of it, not that it is absent. GitHub figures and prices carry the date they were checked or captured; prices are shown as published, unconverted.