---
title: prompt_manager
sidebarTitle: prompt_manager
---

# `fastmcp.prompts.prompt_manager`

## Classes

### `PromptManager` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L21" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>


Manages FastMCP prompts.


**Methods:**

#### `mount` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L45" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
mount(self, server: MountedServer) -> None
```

Adds a mounted server as a source for prompts.


#### `has_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L89" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
has_prompt(self, key: str) -> bool
```

Check if a prompt exists.


#### `get_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L94" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
get_prompt(self, key: str) -> Prompt
```

Get prompt by key.


#### `get_prompts` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L101" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
get_prompts(self) -> dict[str, Prompt]
```

Gets the complete, unfiltered inventory of all prompts.


#### `list_prompts` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L107" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
list_prompts(self) -> list[Prompt]
```

Lists all prompts, applying protocol filtering.


#### `add_prompt_from_fn` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L114" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
add_prompt_from_fn(self, fn: Callable[..., PromptResult | Awaitable[PromptResult]], name: str | None = None, description: str | None = None, tags: set[str] | None = None) -> FunctionPrompt
```

Create a prompt from a function.


#### `add_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L134" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
add_prompt(self, prompt: Prompt) -> Prompt
```

Add a prompt to the manager.


#### `render_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt_manager.py#L152" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
render_prompt(self, name: str, arguments: dict[str, Any] | None = None) -> GetPromptResult
```

Internal API for servers: Finds and renders a prompt, respecting the
filtered protocol path.

