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Rename FastMCP to MCPServer (#1951)

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This commit is contained in:
Marcelo Trylesinski 2026-01-25 14:45:52 +01:00 • committed by GitHub
commit 65c614e48e
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1 changed files with 713 additions and 693 deletions
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18
src/mcp/cli/cli.py
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@ -8,7 +8,7 @@ import sys
from pathlib import Path
from typing import Annotated, Any
from mcp.server import FastMCP
from mcp.server import MCPServer
from mcp.server import Server as LowLevelServer
try:
@ -19,9 +19,9 @@ except ImportError: # pragma: no cover
try:
from mcp.cli import claude
from mcp.server.fastmcp.utilities.logging import get_logger
from mcp.server.mcpserver.utilities.logging import get_logger
except ImportError: # pragma: no cover
print("Error: mcp.server.fastmcp is not installed or not in PYTHONPATH")
print("Error: mcp.server is not installed or not in PYTHONPATH")
sys.exit(1)
try:
@ -149,12 +149,10 @@ def _import_server(file: Path, server_object: str | None = None): # pragma: no
Returns:
True if it's supported.
"""
if not isinstance(server_object, FastMCP):
logger.error(f"The server object {object_name} is of type {type(server_object)} (expecting {FastMCP}).")
if not isinstance(server_object, MCPServer):
logger.error(f"The server object {object_name} is of type {type(server_object)} (expecting {MCPServer}).")
if isinstance(server_object, LowLevelServer):
logger.warning(
"Note that only FastMCP server is supported. Low level Server class is not yet supported."
)
logger.warning("Note that only MCPServer is supported. Low level Server class is not yet supported.")
return False
return True
@ -172,8 +170,8 @@ def _import_server(file: Path, server_object: str | None = None): # pragma: no
f"No server object found in {file}. Please either:\n"
"1. Use a standard variable name (mcp, server, or app)\n"
"2. Specify the object name with file:object syntax"
"3. If the server creates the FastMCP object within main() "
" or another function, refactor the FastMCP object to be a "
"3. If the server creates the MCPServer object within main() "
" or another function, refactor the MCPServer object to be a "
" global variable named mcp, server, or app.",
extra={"file": str(file)},
)