sdk

_sdk

One import site for the MCP SDK, so a renamed module is a one-line fix.

mcp 2.0.0 removed mcp.server.fastmcp. The server class moved to mcp.server.mcpserver and was renamed FastMCP -> MCPServer. Every tool, resource and prompt in this package imported Context from the old path, so a fresh pip install resolving mcp 2.x produced a server that could not import at all, with 26 import sites to chase.

The public API this package uses is unchanged between the two: MCPServer(name, instructions), the tool()/prompt()/resource(uri) decorators, and Context. So supporting both is an import shim rather than a port, and the dependency does not need pinning to a major version.

mcp.types is imported directly elsewhere because ImageContent and TextContent did not move.

Functions:

Name	Description
build_server	Construct the SDK server and give it a version, on either major.

Functions:

build_server

build_server(*, name: str, instructions: str, lifespan, version: str)

Construct the SDK server and give it a version, on either major.

The version is why this is a function rather than a bare class re-export. mcp 1.x has no public way to set it, so the only option was poking server._mcp_server.version. mcp 2.0 accepts version on the constructor and has no _mcp_server at all, so the poke raised AttributeError at import time -- which is a broken server, not a missing version string.