Update the registry with a new list of tools and refresh all internal collections. This method replaces the current tool list, rebui

Extract text from various MCP content types. Args: content: The content to extract text from Returns:

Convert to standard MCP Tool. Returns: Standard MCP Tool object.

Retrieve all tools that are currently in the ENABLED state. Returns: list[InternalTool]: List of enabled tools available

Look up a specific tool using its SHA256 hash identifier. Provides fast O(1) lookup for tools when the hash is known, useful

Check if the registry cache has expired and needs to be refreshed. Returns: bool: True if the registry is outdated (past

Get formatted argument descriptions from input schema. Returns: List of argument description strings.

Handle tool execution requests.

Get statistics about the current registry state. Returns: dict[str, any]: Dictionary containing registry statistics

Handle the list_tools request.

Check for unexpanded environment variables in the model

Clear all tools from the registry and reset timestamps.

Expand shell variables of form $var and ${var}.

Update the hash-to-tool mapping for quick lookups.

Initialize the relay server and register all tools.

Update the tool registry with tools from all configured servers.

Invoke a tool by name with optional arguments.

Check for unexpanded environment variables in a dictionary

Clean up the session and subprocess resources.

Retrieve the complete list of all registered tools regardless of state. Returns: list[InternalTool]: Complete list of al

List available tools, with optional refresh from the server.

Update the available tools list with only enabled tools.

Collect tools from all configured downstream servers.

Additional validation of tool limits and constraints.

Run the MCP Relay Server.

Compute SHA256 hash of tool identity fields. Returns: SHA256 hash string.

Establish connection to the relay subprocess via stdio transport.

Connects to a single MCP server.

Entrypoint for the MCP relay server.

Normnalize, Expands environment variables and converts a path string to Path object.

Generate MCP Server Parameters for HTTP-type clients (SSE, Streamable HTTP). All parameter values are subject to environment variable expansi

Fetch downstream server information via the special tool.

Generate MCP Server Parameters for stdio clients. All parameter values are subject to environment variable expansion.

Interactive command-line interface for interacting with the relay server. Supports commands: list, call <tool> <args>, servers, quit

Log level name. One of: NOTSET, DEBUG, INFO, WARNING, ERROR, CRITICAL.

Main entry point for the command-line interface.

Create and configure the MCP Relay Server with tool handlers. This is the MCP Server for the MCP Relay itself, and is what MCP Clients connec

Configure Log Levels for libraries

Set up a Starlette HTTP Server for MCP Streamable HTTP Transport

Initialize logging.

Set up a Starlette HTTP Server for MCP SSE Transport

Initialize and Start the MCP Relay

Convert the exception to an MCP call tool result format. Returns: types.CallToolResult: A structured error result

Closes session exit stacks and main exit stack upon completion.

Check if a tool with the given hash exists in the registry.

Override equality comparison to allow case-insensitive comparison with strings. Args: other (object): The object to comp

Override hash function to ensure consistency with case-insensitive equality. Returns: int: The hash value of the lowerca

Initialize the client with relay module path and config file.

Return the total number of tools in the registry.

Return string representation of the registry.

Validate final configuration for required variables

Generate shell autocompletion script for the specified shell.

Custom Component Name Hook for ClientSessionGroup base class

Create echo server configuration for testing.

Create echo tool that returns input.

Create echo tool data for testing.

Create sample input schema for echo tool.

Create tool that always returns isError=True.

Create error_all_tool data for testing.