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This commit is contained in:
Taylor Wilsdon
2026-02-01 11:51:25 -05:00
parent c22ca65736 4610bc3566
commit f8748ccd10
44 changed files with 8218 additions and 1504 deletions
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103
main.py
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@@ -6,12 +6,19 @@ import sys
from importlib import metadata, import_module
from dotenv import load_dotenv
from auth.oauth_config import reload_oauth_config, is_stateless_mode
from core.log_formatter import EnhancedLogFormatter, configure_file_logging
from core.utils import check_credentials_directory_permissions
from core.server import server, set_transport_mode, configure_server_for_http
from core.tool_tier_loader import resolve_tools_from_tier
from core.tool_registry import (
# Check for CLI mode early - before loading oauth_config
# CLI mode requires OAuth 2.0 since there's no MCP session context
_CLI_MODE = "--cli" in sys.argv
if _CLI_MODE:
os.environ["MCP_ENABLE_OAUTH21"] = "false"
os.environ["WORKSPACE_MCP_STATELESS_MODE"] = "false"
from auth.oauth_config import reload_oauth_config, is_stateless_mode # noqa: E402
from core.log_formatter import EnhancedLogFormatter, configure_file_logging # noqa: E402
from core.utils import check_credentials_directory_permissions # noqa: E402
from core.server import server, set_transport_mode, configure_server_for_http # noqa: E402
from core.tool_tier_loader import resolve_tools_from_tier # noqa: E402
from core.tool_registry import ( # noqa: E402
set_enabled_tools as set_enabled_tool_names,
wrap_server_tool_method,
filter_server_tools,
@@ -34,6 +41,10 @@ configure_file_logging()
def safe_print(text):
# Don't print in CLI mode - we want clean output
if _CLI_MODE:
return
# Don't print to stderr when running as MCP server via uvx to avoid JSON parsing errors
# Check if we're running as MCP server (no TTY and uvx in process name)
if not sys.stderr.isatty():
@@ -79,7 +90,15 @@ def main():
"""
Main entry point for the Google Workspace MCP server.
Uses FastMCP's native streamable-http transport.
Supports CLI mode for direct tool invocation without running the server.
"""
# Check if CLI mode is enabled - suppress startup messages
if _CLI_MODE:
# Suppress logging output in CLI mode for clean output
logging.getLogger().setLevel(logging.ERROR)
logging.getLogger("auth").setLevel(logging.ERROR)
logging.getLogger("core").setLevel(logging.ERROR)
# Configure safe logging for Windows Unicode handling
configure_safe_logging()
@@ -103,7 +122,9 @@ def main():
"forms",
"slides",
"tasks",
"contacts",
"search",
"appscript",
],
help="Specify which tools to register. If not provided, all tools are registered.",
)
@@ -118,11 +139,28 @@ def main():
default="stdio",
help="Transport mode: stdio (default) or streamable-http",
)
parser.add_argument(
"--cli",
nargs=argparse.REMAINDER,
metavar="COMMAND",
help="Run in CLI mode for direct tool invocation. Use --cli to list tools, --cli <tool_name> to run a tool.",
)
parser.add_argument(
"--read-only",
action="store_true",
help="Run in read-only mode - requests only read-only scopes and disables tools requiring write permissions",
)
args = parser.parse_args()
# Clean up CLI args - argparse.REMAINDER may include leading dashes from first arg
if args.cli is not None:
# Filter out empty strings that might appear
args.cli = [a for a in args.cli if a]
# Set port and base URI once for reuse throughout the function
port = int(os.getenv("PORT", os.getenv("WORKSPACE_MCP_PORT", 8000)))
base_uri = os.getenv("WORKSPACE_MCP_BASE_URI", "http://localhost")
host = os.getenv("WORKSPACE_MCP_HOST", "0.0.0.0")
external_url = os.getenv("WORKSPACE_EXTERNAL_URL")
display_url = external_url if external_url else f"{base_uri}:{port}"
@@ -139,6 +177,8 @@ def main():
safe_print(f" 🔗 URL: {display_url}")
safe_print(f" 🔐 OAuth Callback: {display_url}/oauth2callback")
safe_print(f" 👤 Mode: {'Single-user' if args.single_user else 'Multi-user'}")
if args.read_only:
safe_print(" 🔒 Read-Only: Enabled")
safe_print(f" 🐍 Python: {sys.version.split()[0]}")
safe_print("")
@@ -153,10 +193,26 @@ def main():
else "Invalid or too short"
)
# Determine credentials directory (same logic as credential_store.py)
workspace_creds_dir = os.getenv("WORKSPACE_MCP_CREDENTIALS_DIR")
google_creds_dir = os.getenv("GOOGLE_MCP_CREDENTIALS_DIR")
if workspace_creds_dir:
creds_dir_display = os.path.expanduser(workspace_creds_dir)
creds_dir_source = "WORKSPACE_MCP_CREDENTIALS_DIR"
elif google_creds_dir:
creds_dir_display = os.path.expanduser(google_creds_dir)
creds_dir_source = "GOOGLE_MCP_CREDENTIALS_DIR"
else:
creds_dir_display = os.path.join(
os.path.expanduser("~"), ".google_workspace_mcp", "credentials"
)
creds_dir_source = "default"
config_vars = {
"GOOGLE_OAUTH_CLIENT_ID": os.getenv("GOOGLE_OAUTH_CLIENT_ID", "Not Set"),
"GOOGLE_OAUTH_CLIENT_SECRET": redacted_secret,
"USER_GOOGLE_EMAIL": os.getenv("USER_GOOGLE_EMAIL", "Not Set"),
"CREDENTIALS_DIR": f"{creds_dir_display} ({creds_dir_source})",
"MCP_SINGLE_USER_MODE": os.getenv("MCP_SINGLE_USER_MODE", "false"),
"MCP_ENABLE_OAUTH21": os.getenv("MCP_ENABLE_OAUTH21", "false"),
"WORKSPACE_MCP_STATELESS_MODE": os.getenv(
@@ -183,7 +239,9 @@ def main():
"forms": lambda: import_module("gforms.forms_tools"),
"slides": lambda: import_module("gslides.slides_tools"),
"tasks": lambda: import_module("gtasks.tasks_tools"),
"contacts": lambda: import_module("gcontacts.contacts_tools"),
"search": lambda: import_module("gsearch.search_tools"),
"appscript": lambda: import_module("gappsscript.apps_script_tools"),
}
tool_icons = {
@@ -196,7 +254,9 @@ def main():
"forms": "📝",
"slides": "🖼️",
"tasks": "✓",
"contacts": "👤",
"search": "🔍",
"appscript": "📜",
}
# Determine which tools to import based on arguments
@@ -231,9 +291,11 @@ def main():
wrap_server_tool_method(server)
from auth.scopes import set_enabled_tools
from auth.scopes import set_enabled_tools, set_read_only
set_enabled_tools(list(tools_to_import))
if args.read_only:
set_read_only(True)
safe_print(
f"🛠️ Loading {len(tools_to_import)} tool module{'s' if len(tools_to_import) != 1 else ''}:"
@@ -252,6 +314,15 @@ def main():
# Filter tools based on tier configuration (if tier-based loading is enabled)
filter_server_tools(server)
# Handle CLI mode - execute tool and exit
if args.cli is not None:
import asyncio
from core.cli_handler import handle_cli_mode
# CLI mode - run tool directly and exit
exit_code = asyncio.run(handle_cli_mode(server, args.cli))
sys.exit(exit_code)
safe_print("📊 Configuration Summary:")
safe_print(f" 🔧 Services Loaded: {len(tools_to_import)}/{len(tool_imports)}")
if args.tool_tier is not None:
@@ -266,6 +337,20 @@ def main():
# Set global single-user mode flag
if args.single_user:
# Check for incompatible OAuth 2.1 mode
if os.getenv("MCP_ENABLE_OAUTH21", "false").lower() == "true":
safe_print("❌ Single-user mode is incompatible with OAuth 2.1 mode")
safe_print(
" Single-user mode is for legacy clients that pass user emails"
)
safe_print(
" OAuth 2.1 mode is for multi-user scenarios with bearer tokens"
)
safe_print(
" Please choose one mode: either --single-user OR MCP_ENABLE_OAUTH21=true"
)
sys.exit(1)
if is_stateless_mode():
safe_print("❌ Single-user mode is incompatible with stateless mode")
safe_print(" Stateless mode requires OAuth 2.1 which is multi-user")
@@ -329,7 +414,7 @@ def main():
# Check port availability before starting HTTP server
try:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind(("", port))
s.bind((host, port))
except OSError as e:
safe_print(f"Socket error: {e}")
safe_print(
@@ -337,7 +422,7 @@ def main():
)
sys.exit(1)
server.run(transport="streamable-http", host="0.0.0.0", port=port)
server.run(transport="streamable-http", host=host, port=port)
else:
server.run()
except KeyboardInterrupt: