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fastmcp.resources.resource_manager

Resource manager functionality.

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Classes

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ResourceManager

Manages FastMCP resources.

Methods:

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mount

mount(self, server: MountedServer) -> None

Adds a mounted server as a source for resources and templates.

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add_resource_or_template_from_fn

add_resource_or_template_from_fn(self, fn: Callable[..., Any], uri: str, name: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None) -> Resource | ResourceTemplate

Add a resource or template to the manager from a function.

Args:

• fn: The function to register as a resource or template
• uri: The URI for the resource or template
• name: Optional name for the resource or template
• description: Optional description of the resource or template
• mime_type: Optional MIME type for the resource or template
• tags: Optional set of tags for categorizing the resource or template

Returns:

• The added resource or template. If a resource or template with the same URI already exists,
• returns the existing resource or template.

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add_resource_from_fn

add_resource_from_fn(self, fn: Callable[..., Any], uri: str, name: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None) -> Resource

Add a resource to the manager from a function.

Args:

• fn: The function to register as a resource
• uri: The URI for the resource
• name: Optional name for the resource
• description: Optional description of the resource
• mime_type: Optional MIME type for the resource
• tags: Optional set of tags for categorizing the resource

Returns:

• The added resource. If a resource with the same URI already exists,
• returns the existing resource.

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add_resource

add_resource(self, resource: Resource) -> Resource

Add a resource to the manager.

Args:

• resource: A Resource instance to add. The resource’s .key attribute will be used as the storage key. To overwrite it, call Resource.with_key() before calling this method.

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add_template_from_fn

add_template_from_fn(self, fn: Callable[..., Any], uri_template: str, name: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None) -> ResourceTemplate

Create a template from a function.

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add_template

add_template(self, template: ResourceTemplate) -> ResourceTemplate

Add a template to the manager.

Args:

• template: A ResourceTemplate instance to add. The template’s .key attribute will be used as the storage key. To overwrite it, call ResourceTemplate.with_key() before calling this method.

Returns:

• The added template. If a template with the same URI already exists,
• returns the existing template.