Documentation Index
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FastMCP 4 is here — built for the new MCP protocol. See what's new.

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Python SDK

decorators

dependencies

exceptions

mcp_config

settings

telemetry

types

fastmcp.apps

__init__
app
approval
choice
config
file_upload
form
generative

fastmcp.cli

__init__
apps_dev
auth
cimd
cli
client
discovery
generate
run

fastmcp.client

caching
client
dependencies
elicitation
extension_hooks
group
logging
messages
oauth_callback
progress
roots
telemetry

fastmcp.experimental

fastmcp.prompts

base
function_prompt

fastmcp.resources

base
function_resource
security
template
types

fastmcp.server

caching
completions
context
dependencies
elicitation
event_store
extensions
http
lifespan
low_level
server
session_scoped_event_store
sessions
telemetry

fastmcp.tools

base
function_parsing
function_tool
tool_transform

fastmcp.utilities

__init__
asgi_transport
async_utils
auth
authorization
cli
components
docstring_parsing
exceptions
http
inspect
json_schema
json_schema_type
lifespan
logging
mime
pagination
prefab
skills
tasks
tests
timeout
token_cache
types
ui
version_check
versions

fastmcp.cli

fastmcp.cli

init

`fastmcp.cli`

FastMCP CLI package.

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