/* Code highlighting -- target only inline code elements, not code blocks */
p code:not(pre code),
table code:not(pre code),
li code:not(pre code),
h1 code:not(pre code),
h2 code:not(pre code),
h3 code:not(pre code),
h4 code:not(pre code),
h5 code:not(pre code),
h6 code:not(pre code) {
  color: #f72585 !important;
  background-color: rgba(247, 37, 133, 0.09);
}

/* Banner styling -- improve readability with better contrast */
#banner {
  background: #f1f5f9 !important;
  color: #1e293b !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  padding-top: 12px !important;
  padding-bottom: 12px !important;
  position: relative !important;
  overflow: hidden !important;
}

#banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(6, 182, 212, 0.25) 0%,
    rgba(6, 182, 212, 0.05) 25%,
    rgba(6, 182, 212, 0.35) 50%,
    rgba(6, 182, 212, 0.08) 75%,
    rgba(6, 182, 212, 0.28) 100%
  );
  background-size: 300% 100%;
  animation: colorWave 14s ease-in-out infinite alternate;
  pointer-events: none;
}

.dark #banner {
  background: #475569 !important;
  color: #f1f5f9 !important;
}

.dark #banner::before {
  background: linear-gradient(
    90deg,
    rgba(247, 37, 133, 0.35) 0%,
    rgba(247, 37, 133, 0.08) 25%,
    rgba(247, 37, 133, 0.45) 50%,
    rgba(247, 37, 133, 0.12) 75%,
    rgba(247, 37, 133, 0.38) 100%
  );
  background-size: 300% 100%;
}

@keyframes colorWave {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 100% 0%;
  }
}

#banner * {
  color: #1e293b !important;
  margin: 0 !important;
}

.dark #banner * {
  color: #f1f5f9 !important;
}

/* Version badge -- display a badge with the current version of the documentation */
.version-badge {
  display: inline-block;
  align-items: center;
  gap: 0.3em;
  font-size: 1em;
  margin-top: 0px;
  margin-bottom: 0px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-left: 20px;
  padding-right: 20px;
  font-family: "Inter", sans-serif;
  color: #ff5400;
  background: #fef2f2;
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: 12px;
  box-shadow: none;
  vertical-align: middle;
  position: relative;
  transition: box-shadow 0.2s, transform 0.15s;
}

.version-badge-container {
  margin: 0;
  padding: 0;
}

.version-badge:hover {
  box-shadow: 0 2px 8px 0 rgba(160, 132, 252, 0.1);
  transform: translateY(-1px) scale(1.03);
}

.dark .version-badge {
  color: #f1f5f9;
  background: #334155;
  border: 1px solid #64748b;
}


FastMCP 2.6

Updates

FastMCP Updates

[FastMCP Cloud](https://fastmcp.link/x0Kyhy2) is coming!

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

FastMCP

Welcome!

Welcome to FastMCP 2.0!

Installation

Quickstart

Learn about the core FastMCP server class and how to run it.

FastMCP Servers

The FastMCP Server

Expose functions as executable capabilities for your MCP client.

Tools

Expose data sources and dynamic content generators to your MCP client.

Resources

Resources & Templates

Create reusable, parameterized prompt templates for MCP clients.

Prompts

Access MCP capabilities like logging, progress, and resources within your MCP objects.

Context

MCP Context

Secure your FastMCP server's HTTP endpoints by validating JWT Bearer tokens.

Bearer Auth

Bearer Token Authentication

Generate MCP servers from OpenAPI specs and FastAPI apps

OpenAPI Integration

Use FastMCP to act as an intermediary or change transport for other MCP servers.

Proxy Servers

Combine multiple FastMCP servers into a single, larger application using mounting and importing.

Composition

Server Composition

Learn how to run and deploy your FastMCP server using various transport protocols like STDIO, Streamable HTTP, and SSE.

Running the Server

Running Your FastMCP Server

Integrate FastMCP servers into existing Starlette, FastAPI, or other ASGI applications

ASGI Integration

Integrating FastMCP in ASGI Applications

Learn how to use the FastMCP Client to interact with MCP servers.

Overview

Client Overview

Understand the different ways FastMCP Clients can connect to servers.

Transports

Client Transports

Authenticate your FastMCP client via OAuth 2.1.

OAuth

OAuth Authentication

Authenticate your FastMCP client with a Bearer token.

Learn about the advanced features of the FastMCP Client.

Advanced Features

Call FastMCP servers from the Anthropic API

Anthropic

Claude Desktop

OpenAI

Call FastMCP servers from the Google Gemini SDK

Gemini SDK

Community-contributed modules extending FastMCP

Contrib Modules

Properly use instance methods, class methods, and static methods with FastMCP decorators.

Get Started

Servers

Clients

Integrations

Patterns

FastMCP Updates

Blast Auth with FastMCP 2.6