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Clarify installation for FastMCP 3.0 beta (#2953)

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Jeremiah Lowin 2026-01-19 23:24:47 -05:00 • committed by GitHub
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docs/getting-started/installation.mdx
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@ -6,30 +6,33 @@ icon: arrow-down-to-line
We recommend using [uv](https://docs.astral.sh/uv/getting-started/installation/) to install and manage FastMCP.
<Note>
FastMCP 3.0 is currently in beta. You must explicitly opt in to pre-release versions using the flags shown below.
</Note>
If you plan to use FastMCP in your project, you can add it as a dependency with:
```bash
uv add fastmcp
uv add fastmcp --prerelease=allow
```
Alternatively, you can install it directly with `pip` or `uv pip`:
<CodeGroup>
```bash uv
uv pip install fastmcp
uv pip install fastmcp --prerelease=allow
```
```bash pip
pip install fastmcp
pip install fastmcp --pre
```
</CodeGroup>
### Optional Dependencies
FastMCP provides optional extras for specific features:
FastMCP provides optional extras for specific features. For example, to install the background tasks extra:
```bash
# Background tasks (Docket-based distributed task scheduling)
pip install "fastmcp[tasks]"
pip install "fastmcp[tasks]" --pre
```
See [Background Tasks](/servers/tasks) for details on the task system.

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docs/servers/tasks.mdx
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@ -10,6 +10,10 @@ import { VersionBadge } from "/snippets/version-badge.mdx"
<VersionBadge version="2.14.0" />
<Tip>
Background tasks require the `tasks` optional extra. See [installation instructions](#enabling-background-tasks) below.
</Tip>
FastMCP implements the MCP background task protocol ([SEP-1686](https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks)), giving your servers a production-ready distributed task scheduler with a single decorator change.
<Tip>
@ -39,9 +43,9 @@ MCP background tasks are different: they're **protocol-native**. This means MCP
<VersionBadge version="3.0.0" /> Background tasks require the `tasks` extra:
```bash
pip install "fastmcp[tasks]"
pip install "fastmcp[tasks]" --pre
# or with uv
uv add "fastmcp[tasks]"
uv add "fastmcp[tasks]" --prerelease=allow
```
Add `task=True` to any tool, resource, resource template, or prompt decorator. This marks the component as capable of background execution.