Initialize OAuth client provider for an MCP server. Args: mcp_url: Full URL to the MCP endpoint (e.g. "http://host/mcp/s

Initialize AWS Cognito OAuth provider. Args: user_pool_id: Your Cognito User Pool ID (e.g., "eu-central-1_XXXXXXXXX")

Initialize GitHub OAuth provider. Args: client_id: GitHub OAuth app client ID (e.g., "Ov23li...") client_secret: GitH

Initialize Auth0 OAuth provider. Args: config_url: Auth0 config URL client_id: Auth0 application client id

Initialize Azure OAuth provider. Args: client_id: Azure application (client) ID from your App registration client_sec

Initialize Clerk OAuth provider. Args: domain: Clerk instance domain (e.g., "saving-primate-16.clerk.accounts.dev").

Initialize Google OAuth provider. Args: client_id: Google OAuth client ID (e.g., "123456789.apps.googleusercontent.com")

Initialize a JWTVerifier configured to validate JWTs using either a static key or a JWKS endpoint. Parameters: public_ke

Initialize Discord OAuth provider. Args: client_id: Discord OAuth client ID (e.g., "123456789") client_secret: Discor

Initialize Hugging Face OAuth provider. Args: client_id: Hugging Face OAuth app client ID. Public apps and CIMD c

Answer a task's outstanding input requests, then deliver via `tasks/update`. Each request is surfaced by a server-minted key and carries a serial

Attach client credentials per the configured auth method (RFC 6749 §2.3).

Apply a transform's ``meta=`` override, preserving framework namespaces. An override replaces the caller-facing meta wholesale, which is what use

Re-establish app-scoped SharedContext ContextVars for this request. The SDK v2 dispatcher runs handlers in the message sender's context, so

Apply transformation to a single parameter. This method handles the transformation of a single argument according to the specified tr

Override title/description on the wrapped ``value`` property in-place.

Return the `InputRequiredResult` a guard leg produced, or None. A tool body may return the bare `InputRequiredResult` or the `InputRequiredTo

Return the input request that pauses the task until the client answers.

Scopes granted by an ID-JAG, from its `scope` or `scp` claim.

Extract the scopes an ID-JAG grants, from `scope` or `scp`.

Issue a handshake-era `sampling/createMessage` from a backend server.

Bind this provider to a specific MCP server URL. Called automatically when ``mcp_url`` is provided to ``__init__``, or by the transpo

Bind this extension to its FastMCP instance (called by `add_extension`). A weak reference avoids a reference cycle between the server and its

Render category filter, quantity adjustment, and delete controls.

Render the add-item form using Form.from_model().

Build CSP from the generative renderer's declared requirements.

Build facets for rich text formatting, including auto-detected URLs.

Build the ordered connection attempts for a validated URL. An empty ``resolved_ips`` means proxy mode (see :func:`validate_url`): a single un

Render the main DataTable with all current items.

Build Prefab picker page: dropdown selector with per-tool forms.

Build quote embed.

Build quote embed with images.

Build reply reference.

Build a card for a single request inside a ForEach context.

Build all component management routes.

Render the search form with ForEach results.

Create a minimal FastMCP server for integration tests.

Create a minimal FastMCP server for integration tests.

Build URL by substituting path parameters in the template. Args: path_template: OpenAPI path template (e.g., "/users/{id

Namespace cached tokens by both client identity and requested scopes. Two providers that differ in either their ``client_id`` or their requested

Allowlist of `{class name: model}` for every cacheable result type. Derived from `MONOLITH_RESULTS` (the SDK's per-method result registry) so it

Serialize a ``CallToolResult`` to a JSON-safe dict.

Snapshot the live ``SharedContext`` ContextVar values. The SDK v2 dispatcher runs each request handler in the *message sender's* cont

Convert OpenAI response to CreateMessageResultWithTools.

Return list of broken fastmcp import descriptions.

Raise helpful TypeErrors for kwargs FastMCP no longer accepts.

Return error description if syntax is invalid, else None.

Check that versioned and unversioned components aren't mixed. LocalProvider enforces a simple rule: for any given name/URI, all regis

Clamp the logger to a minimum and maximum level. If min_level is provided, messages logged at a lower level than `min_level` will have their leve

Remove a specific consent binding entry after successful callback.

Clear signature-related caches for a function. Called after modifying a function's signature to ensure downstream code sees the updated signa

Coerce version to string, accepting int, float, or str. Raises TypeError for non-scalar types (list, dict, set, etc.). Raises ValueError if v

List API provider directories (e.g. 'github.com', 'amazonaws.com').

Nest every extension's `tools/call` interceptor around ``call_next``. Composes at the innermost point of the tool-call dispatch — after the

Compute the dotted module name for a file within a package. Args: file_path: Path to the Python file. package_root: Root director

Return the proxy URL to route proxy-trust fetches through, if any is set. Reads ``HTTPS_PROXY``/``https_proxy`` first, falling back to ``ALL_PROX

Hold ``session.send_discover`` to the same wire schema every later reply must meet. ``negotiate_auto`` accepts a probe that parses as the version

Check if *tp* is or contains bytes, recursing through unions and Annotated.

Check if *tp* is or contains a prefab type, recursing through unions and Annotated.

Convert string arguments to expected types based on function signature.

Convert string parameter location to our ParameterLocation type.

Convert MCP tool_choice to OpenAI format.

Convert an MCP Tool to Google GenAI format. We prune ``title`` fields from the schema because Gemini 2.5 Flash produces ``MALFORMED_FUNCTION_

Convert MCP tools to OpenAI tool format.

Count the `title` keys down an array-nested schema, iteratively.

Create list/set type with optional constraints.

Create enhanced error response with content negotiation. Args: request: The original request client_id: The unregiste

Create enum type from list of values.

Create schema and forwarding function that encapsulates all transformation logic. This method builds a new JSON schema for the transformed to

Create numeric type with optional constraints.

Create and register an OpenAPIResource.

Create and register an OpenAPIResourceTemplate.

Create and register an OpenAPITool.

Build a protected resource metadata route that discovers scopes lazily. Mirrors ``create_protected_resource_routes`` (RFC 9728) but resolves

Create underlying transport, proxy client, and proxy server for a single backend. The ProxyClient is connected via the AsyncExitStack *before

Create Pydantic BaseModel from object schema with additionalProperties.