FastMCP

FastMCP

fastmcp
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About

FastMCP is an open source, Pythonic framework for building Model Context Protocol (MCP) applications that makes creating, managing, and interacting with MCP servers simple and production-ready by handling the protocol’s complexity so developers can focus on business logic. The Model Context Protocol (MCP) is a standardized way for large language models to securely connect to tools, data, and services, and FastMCP provides a clean API to implement that protocol with minimal boilerplate, using Python decorators to register tools, resources, and prompts. A typical FastMCP server is created by instantiating a FastMCP object, decorating Python functions as tools (functions the LLM can invoke), and then running the server with built-in transport options like stdio or HTTP; this lets AI clients call into your code as if it were part of the model’s context.

About

The Language Server Protocol (LSP) defines the protocol used between an editor or IDE and a language server that provides language features such as autocomplete, go to definition, find all references, and documentation on hover. Adding these features for a programming language takes significant effort, and traditionally the work had to be repeated for each development tool because every editor or IDE exposed different APIs for implementing the same capabilities. LSP standardizes how language servers and development tools communicate, allowing the language-specific intelligence to live in a reusable server that can connect to multiple development environments through a shared protocol. This means a single Language Server can be reused across many tools, while development tools can support multiple languages with less duplicated effort. The protocol enables inter-process communication between the development tool and the language server and defines the format of messages using JSON-RPC.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Python developers and AI engineers who want a high-level, production-ready framework to build and deploy MCP servers that expose tools and data to LLMs securely and efficiently

Audience

Programming language maintainers and editor developers who need a standard way to deliver code intelligence features across multiple IDEs and development tools

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

fastmcp
Founded: 2025
United States
gofastmcp.com/getting-started/welcome

Company Information

Microsoft
Founded: 1975
United States
microsoft.github.io/language-server-protocol/

Alternatives

Alternatives

Lapce

Lapce

Lapdev
Crush

Crush

Charm
Gate22

Gate22

ACI.dev

Categories

Categories

Integrations

CSS
JSON
Markdown
Model Context Protocol (MCP)
Python
Rust
Visual Studio

Integrations

CSS
JSON
Markdown
Model Context Protocol (MCP)
Python
Rust
Visual Studio
Claim FastMCP and update features and information
Claim FastMCP and update features and information
Claim Language Server Protocol (LSP) and update features and information
Claim Language Server Protocol (LSP) and update features and information