--- title: prompt_manager sidebarTitle: prompt_manager --- # `fastmcp.prompts.prompt_manager` ## Classes ### `PromptManager` Manages FastMCP prompts. **Methods:** #### `has_prompt` ```python has_prompt(self, key: str) -> bool ``` Check if a prompt exists. #### `get_prompt` ```python get_prompt(self, key: str) -> Prompt ``` Get prompt by key. #### `get_prompts` ```python get_prompts(self) -> dict[str, Prompt] ``` Gets the complete, unfiltered inventory of local prompts. #### `add_prompt_from_fn` ```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` ```python add_prompt(self, prompt: Prompt) -> Prompt ``` Add a prompt to the manager. #### `render_prompt` ```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.