feat: add MCP support (#20716)

Co-authored-by: QuantumGhost <obelisk.reg+git@gmail.com>
This commit is contained in:
Novice
2025-07-10 14:01:34 +08:00
committed by GitHub
parent 18b58424ec
commit 535fff62f3
54 changed files with 6634 additions and 154 deletions

View File

@@ -1,6 +1,7 @@
import io
from urllib.parse import urlparse
from flask import send_file
from flask import redirect, send_file
from flask_login import current_user
from flask_restful import Resource, reqparse
from sqlalchemy.orm import Session
@@ -9,17 +10,34 @@ from werkzeug.exceptions import Forbidden
from configs import dify_config
from controllers.console import api
from controllers.console.wraps import account_initialization_required, enterprise_license_required, setup_required
from core.mcp.auth.auth_flow import auth, handle_callback
from core.mcp.auth.auth_provider import OAuthClientProvider
from core.mcp.error import MCPAuthError, MCPError
from core.mcp.mcp_client import MCPClient
from core.model_runtime.utils.encoders import jsonable_encoder
from extensions.ext_database import db
from libs.helper import alphanumeric, uuid_value
from libs.login import login_required
from services.tools.api_tools_manage_service import ApiToolManageService
from services.tools.builtin_tools_manage_service import BuiltinToolManageService
from services.tools.mcp_tools_mange_service import MCPToolManageService
from services.tools.tool_labels_service import ToolLabelsService
from services.tools.tools_manage_service import ToolCommonService
from services.tools.tools_transform_service import ToolTransformService
from services.tools.workflow_tools_manage_service import WorkflowToolManageService
def is_valid_url(url: str) -> bool:
if not url:
return False
try:
parsed = urlparse(url)
return all([parsed.scheme, parsed.netloc]) and parsed.scheme in ["http", "https"]
except Exception:
return False
class ToolProviderListApi(Resource):
@setup_required
@login_required
@@ -34,7 +52,7 @@ class ToolProviderListApi(Resource):
req.add_argument(
"type",
type=str,
choices=["builtin", "model", "api", "workflow"],
choices=["builtin", "model", "api", "workflow", "mcp"],
required=False,
nullable=True,
location="args",
@@ -613,6 +631,166 @@ class ToolLabelsApi(Resource):
return jsonable_encoder(ToolLabelsService.list_tool_labels())
class ToolProviderMCPApi(Resource):
@setup_required
@login_required
@account_initialization_required
def post(self):
parser = reqparse.RequestParser()
parser.add_argument("server_url", type=str, required=True, nullable=False, location="json")
parser.add_argument("name", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon_type", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon_background", type=str, required=False, nullable=True, location="json", default="")
parser.add_argument("server_identifier", type=str, required=True, nullable=False, location="json")
args = parser.parse_args()
user = current_user
if not is_valid_url(args["server_url"]):
raise ValueError("Server URL is not valid.")
return jsonable_encoder(
MCPToolManageService.create_mcp_provider(
tenant_id=user.current_tenant_id,
server_url=args["server_url"],
name=args["name"],
icon=args["icon"],
icon_type=args["icon_type"],
icon_background=args["icon_background"],
user_id=user.id,
server_identifier=args["server_identifier"],
)
)
@setup_required
@login_required
@account_initialization_required
def put(self):
parser = reqparse.RequestParser()
parser.add_argument("server_url", type=str, required=True, nullable=False, location="json")
parser.add_argument("name", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon_type", type=str, required=True, nullable=False, location="json")
parser.add_argument("icon_background", type=str, required=False, nullable=True, location="json")
parser.add_argument("provider_id", type=str, required=True, nullable=False, location="json")
parser.add_argument("server_identifier", type=str, required=True, nullable=False, location="json")
args = parser.parse_args()
if not is_valid_url(args["server_url"]):
if "[__HIDDEN__]" in args["server_url"]:
pass
else:
raise ValueError("Server URL is not valid.")
MCPToolManageService.update_mcp_provider(
tenant_id=current_user.current_tenant_id,
provider_id=args["provider_id"],
server_url=args["server_url"],
name=args["name"],
icon=args["icon"],
icon_type=args["icon_type"],
icon_background=args["icon_background"],
server_identifier=args["server_identifier"],
)
return {"result": "success"}
@setup_required
@login_required
@account_initialization_required
def delete(self):
parser = reqparse.RequestParser()
parser.add_argument("provider_id", type=str, required=True, nullable=False, location="json")
args = parser.parse_args()
MCPToolManageService.delete_mcp_tool(tenant_id=current_user.current_tenant_id, provider_id=args["provider_id"])
return {"result": "success"}
class ToolMCPAuthApi(Resource):
@setup_required
@login_required
@account_initialization_required
def post(self):
parser = reqparse.RequestParser()
parser.add_argument("provider_id", type=str, required=True, nullable=False, location="json")
parser.add_argument("authorization_code", type=str, required=False, nullable=True, location="json")
args = parser.parse_args()
provider_id = args["provider_id"]
tenant_id = current_user.current_tenant_id
provider = MCPToolManageService.get_mcp_provider_by_provider_id(provider_id, tenant_id)
if not provider:
raise ValueError("provider not found")
try:
with MCPClient(
provider.decrypted_server_url,
provider_id,
tenant_id,
authed=False,
authorization_code=args["authorization_code"],
for_list=True,
):
MCPToolManageService.update_mcp_provider_credentials(
mcp_provider=provider,
credentials=provider.decrypted_credentials,
authed=True,
)
return {"result": "success"}
except MCPAuthError:
auth_provider = OAuthClientProvider(provider_id, tenant_id, for_list=True)
return auth(auth_provider, provider.decrypted_server_url, args["authorization_code"])
except MCPError as e:
MCPToolManageService.update_mcp_provider_credentials(
mcp_provider=provider,
credentials={},
authed=False,
)
raise ValueError(f"Failed to connect to MCP server: {e}") from e
class ToolMCPDetailApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self, provider_id):
user = current_user
provider = MCPToolManageService.get_mcp_provider_by_provider_id(provider_id, user.current_tenant_id)
return jsonable_encoder(ToolTransformService.mcp_provider_to_user_provider(provider, for_list=True))
class ToolMCPListAllApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self):
user = current_user
tenant_id = user.current_tenant_id
tools = MCPToolManageService.retrieve_mcp_tools(tenant_id=tenant_id)
return [tool.to_dict() for tool in tools]
class ToolMCPUpdateApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self, provider_id):
tenant_id = current_user.current_tenant_id
tools = MCPToolManageService.list_mcp_tool_from_remote_server(
tenant_id=tenant_id,
provider_id=provider_id,
)
return jsonable_encoder(tools)
class ToolMCPCallbackApi(Resource):
def get(self):
parser = reqparse.RequestParser()
parser.add_argument("code", type=str, required=True, nullable=False, location="args")
parser.add_argument("state", type=str, required=True, nullable=False, location="args")
args = parser.parse_args()
state_key = args["state"]
authorization_code = args["code"]
handle_callback(state_key, authorization_code)
return redirect(f"{dify_config.CONSOLE_WEB_URL}/oauth-callback")
# tool provider
api.add_resource(ToolProviderListApi, "/workspaces/current/tool-providers")
@@ -647,8 +825,15 @@ api.add_resource(ToolWorkflowProviderDeleteApi, "/workspaces/current/tool-provid
api.add_resource(ToolWorkflowProviderGetApi, "/workspaces/current/tool-provider/workflow/get")
api.add_resource(ToolWorkflowProviderListToolApi, "/workspaces/current/tool-provider/workflow/tools")
# mcp tool provider
api.add_resource(ToolMCPDetailApi, "/workspaces/current/tool-provider/mcp/tools/<path:provider_id>")
api.add_resource(ToolProviderMCPApi, "/workspaces/current/tool-provider/mcp")
api.add_resource(ToolMCPUpdateApi, "/workspaces/current/tool-provider/mcp/update/<path:provider_id>")
api.add_resource(ToolMCPAuthApi, "/workspaces/current/tool-provider/mcp/auth")
api.add_resource(ToolMCPCallbackApi, "/mcp/oauth/callback")
api.add_resource(ToolBuiltinListApi, "/workspaces/current/tools/builtin")
api.add_resource(ToolApiListApi, "/workspaces/current/tools/api")
api.add_resource(ToolMCPListAllApi, "/workspaces/current/tools/mcp")
api.add_resource(ToolWorkflowListApi, "/workspaces/current/tools/workflow")
api.add_resource(ToolLabelsApi, "/workspaces/current/tool-labels")