fastmcp-extensions

import os from fastmcp import FastMCP # Assuming mcp_server helper is directly exposed in a 'server' module # Exact import path for specific extensions may vary based on internal structure. try: from fastmcp_extensions.server import mcp_server from fastmcp_extensions.filters import dynamic_filter_policy # Hypothetical import except ImportError: print("Warning: fastmcp-extensions specific imports not found. Using FastMCP core only.") mcp_server = None # Placeholder dynamic_filter_policy = None # Placeholder def run_extended_mcp_server(): mcp = FastMCP(name="MyExtendedMCPServer") @mcp.tool def hello(name: str = "World") -> str: """Greets the given name.""" return f"Hello, {name}! This is an extended FastMCP server." # Example of integrating an extension, if 'mcp_server' exists if mcp_server: # The mcp_server helper likely takes a FastMCP instance and applies configurations. # This is a hypothetical usage based on 'built-in server info and credential resolution'. print("Applying fastmcp-extensions mcp_server helper...") # mcp_server might take parameters for credential resolution, e.g., via env vars. # For example, os.environ.get('MCP_SERVER_SECRET_KEY', 'default_key') configured_mcp = mcp_server(mcp, credentials_env_var='FASTMCP_API_KEY') else: configured_mcp = mcp # If dynamic_filter_policy exists, it would likely be applied to the server if dynamic_filter_policy: print("Applying dynamic tool filtering policy...") # configured_mcp.add_filter(dynamic_filter_policy()) print(f"Running {configured_mcp.name} with stdio transport...") # In a real scenario, you'd run the server (e.g., in a __main__ block) # configured_mcp.run(transport="stdio") print("Server setup complete (not actually running in this snippet).") print("Available tools on the server:") for tool_name, tool_obj in configured_mcp._tools.items(): print(f"- {tool_name}: {tool_obj.description}") if __name__ == "__main__": # Set a dummy environment variable if needed for hypothetical credential resolution os.environ['FASTMCP_API_KEY'] = 'fake_api_key_123' run_extended_mcp_server()