Add a prompt to this provider's storage. Accepts either a Prompt object or a decorated function with __fastmcp__ metadata.

Add a provider with optional namespace. If the provider is a FastMCP server, it's automatically wrapped in FastMCPProvider to ensure

Add a resource to this provider's storage. Accepts either a Resource/ResourceTemplate object or a decorated function with __fastmcp__ metadat

Add a resource template to this provider's storage.

Schedule this component for background execution via docket. Subclasses override this to handle their specific calling conventions: -

Add a tool to this provider's storage. Accepts either a Tool object or a decorated function with __fastmcp__ metadata.

Add a tool transformation. .. deprecated:: Use ``add_transform(ToolTransform({...}))`` instead.

Preview a FastMCPApp UI in the browser. Starts the MCP server from SERVER_SPEC on --mcp-port, launches a local dev UI on --dev-port with a to

Assert that a notification was sent a specific number of times.

Start OAuth transaction and redirect to Azure AD. Override parent's authorize method to filter out the 'resource' parameter which is

Capture current context for background task execution.

Convert a raw result to ResourceResult. This is used in two contexts: 1. In _read() to convert user function return values to Resourc

Convert a raw return value to PromptResult. Accepts: - PromptResult: passed through - str: wrapped as single Message

Create a base Starlette app with common middleware and routes. Args: routes: List of routes to include in the app middleware: Lis

Create a styled HTML consent page for OAuth authorization requests. Args: csp_policy: Content Security Policy override. If No

Create a FastMCP server from FastAPI app with experimental parser.

Create an info box. Args: content: HTML content for the info box is_error: True for error styling, False for normal

Create a status message with icon. Args: message: Status message text is_success: True for success (✓), False for error (✕)

Install an MCP server in Cursor. Args: server_spec: Python file to install, optionally with :object suffix

Delete a value from the state store. Removes from both request-scoped and session-scoped stores.

Generate inline enum schema. Always generates enum pattern: `{"enum": [value, ...]}` Titled enums are handled separately via dict-bas

Execute tool calls and return results. Args: tool_calls: List of tool use requests from the LLM. tool_map: Mapping from tool name

Extract query parameter names from RFC 6570 `{?param1,param2}` syntax.

Always raises an error.

Find the Claude Code CLI command. Checks common installation locations since 'claude' is often a shell alias that doesn't work with subproces

Find the Gemini CLI command.

Format server info as standard MCP protocol JSON. Uses Client to get the standard MCP protocol format with camelCase fields. Includes version

Create a FastMCP server from a FastAPI application. Args: app: FastAPI application instance name: Name for t

Factory method to create a ProxyTool from a raw MCP tool schema.

Get auth attributes for the current request, if authenticated.

Get all recorded calls for a specific method or hook. Args: method: The method to filter by (e.g. "tools/list")

Get error statistics for monitoring.

Get HTTP application-level middleware for this auth provider. Returns: List of Starlette Middleware instances to apply to the HTT

Get all recorded notifications, optionally filtered by method.

Send a prompts/get request and return the complete MCP protocol result. Args: name (str): The name of the prompt to retrieve.

Creates a Cognito-specific token verifier with claim filtering. Args: algorithm: Optional token verifier algorithm au

Get tool by namespaced name.

Install an MCP server in Goose. Uses uvx to run the server. Environment variables are not included in the deeplink; use `fastmcp install mcp-

Wrap SDK handle() and transform auth error responses.

Handle input sent to a background task via tasks/sendInput. This is called when a client sends input in response to an elicitation request fr

Infer the appropriate transport type from the given URL.

Install FastMCP server to workspace-specific Cursor configuration. Args: file: Path to the server file server_object: Optional se

Check if we're already running in a FastMCP uv subprocess.

User-overridable lifespan for custom setup and teardown. Override this method to perform provider-specific initialization like openin

Access the server's lifespan context. Returns the context dict yielded by *this* server's lifespan function. For a mounted child this

Prefix tool names with namespace.

Load the example server.

Creates and logs a formatted banner with server information and logo.

Create a new client instance with the same configuration but fresh session state. This creates a new client with the same transport, handlers

Time tool execution.

List all stored files. Args: ctx: The current request context. Override this method for custom persistence. The default

Time request execution and log the results.

Prepare the source for loading. Delegates to the source's prepare() method.

Read the resource content.

Register the tools provided by this class with the given MCP server.

Register this tool with docket for background execution.

Remove a label from an issue.

Remove prompt(s) from this provider's storage. Args: name: The prompt name. version: If None, removes ALL versions. I

Remove resource(s) from this provider's storage. Args: uri: The resource URI. version: If None, removes ALL versions.

Remove tool(s) from this provider's storage. Args: name: The tool name. version: If None, removes ALL versions. If sp

Given a (possibly generic, nested, or otherwise complex) type, replaces all instances of keys in type_map with their corresponding values.

Keep an OpenAPI discriminator's tag mandatory after the keyword is dropped. Returns a copy of *schema* with ``discriminator.propertyName`` added

Run the tool with context set for forward() functions. This method executes the tool's function while setting up the context that all

Overrides the run method to use the MiddlewareServerSession.

Run the FastMCP server. Note this is a synchronous function. Args: transport: Transport protocol to use ("http", "stdio", "sse",

Execute the tool with the given arguments. Args: arguments: Dictionary of arguments to pass to the tool function. Return

Implementation of Context.sample_step(). Make a single LLM sampling call. This is a stateless function that makes exactly one LLM call and op

Serialize tools to the same dict format as ``list_tools`` output.

Set a setting. If the setting contains one or more `__`, it will be treated as a nested setting.

Fetch URL with SSRF protection and return response metadata. This is equivalent to :func:`ssrf_safe_fetch` but returns response headers and s

Get the statistics for the cache.

Stop the mock OAuth server.

Context manager to temporarily set log level and restore it afterwards. Args: level: The temporary log level to set (e.g., "DEBUG", "INFO