chore: remove accidental .bak file
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QihuAI Design committed
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1 file changed
-886
@@ -1,886 +0,0 @@
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"""
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MCP (Model Context Protocol) Server Management API
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Phase 3.3: Manage MCP servers, discover tools/resources, test connections
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"""
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from fastapi import APIRouter, Depends, HTTPException, Query, Body
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from sqlalchemy import or_, func, desc, asc, text
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from sqlalchemy.orm import Session
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from pydantic import BaseModel, Field
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from typing import Optional, List, Dict, Any
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from datetime import datetime
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import uuid
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import json
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import logging
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import re
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from ...database import get_db
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from ...models import gen_uuid
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from ...auth import get_current_admin
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from ...middleware.log_service import LogService
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router = APIRouter()
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logger = logging.getLogger("aiflow")
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# ============================================================
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# Pydantic Models
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# ============================================================
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class MCPServerCreate(BaseModel):
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name: str
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description: Optional[str] = ""
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transport_type: str = "stdio"
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command: Optional[str] = ""
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args: Optional[Any] = None
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env_vars: Optional[Dict[str, str]] = None
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url: Optional[str] = ""
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headers: Optional[Dict[str, str]] = None
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is_enabled: Optional[bool] = True
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class MCPServerUpdate(BaseModel):
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name: Optional[str] = None
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description: Optional[str] = None
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transport_type: Optional[str] = None
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command: Optional[str] = None
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args: Optional[Any] = None
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env_vars: Optional[Dict[str, str]] = None
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url: Optional[str] = None
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headers: Optional[Dict[str, str]] = None
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is_enabled: Optional[bool] = None
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class MCPServerConnectionTest(BaseModel):
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transport_type: Optional[str] = None
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command: Optional[str] = None
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args: Optional[Any] = None
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env_vars: Optional[Dict[str, str]] = None
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url: Optional[str] = None
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headers: Optional[Dict[str, str]] = None
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# ============================================================
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# Helper Functions
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# ============================================================
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def _format_cst_time(dt):
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"""Format datetime to CST string"""
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if dt is None:
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return None
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try:
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from datetime import timezone, timedelta
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CST = timezone(timedelta(hours=8))
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if dt.tzinfo is None:
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dt = dt.replace(tzinfo=CST)
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return dt.astimezone(CST).strftime("%Y-%m-%d %H:%M:%S")
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except Exception:
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return dt.strftime("%Y-%m-%d %H:%M:%S") if dt else None
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def server_to_dict(server) -> dict:
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"""Convert MCPServer model to dict"""
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return {
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"id": server.id,
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"name": server.name,
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"description": server.description or "",
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"transport_type": server.transport_type or "stdio",
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"transport_type_label": {"stdio": "STDIO", "sse": "SSE"}.get(server.transport_type, server.transport_type),
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"command": server.command or "",
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"args": json.loads(server.args) if server.args else {},
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"env_vars": json.loads(server.env_vars) if server.env_vars else {},
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"url": server.url or "",
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"headers": json.loads(server.headers) if server.headers else {},
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"is_enabled": server.is_enabled if server.is_enabled is not None else True,
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"status": server.status or "disconnected",
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"last_connected_at": _format_cst_time(server.last_connected_at),
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"tools_count": server.tools_count or 0,
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"resources_count": server.resources_count or 0,
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"created_at": _format_cst_time(server.created_at),
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"updated_at": _format_cst_time(server.updated_at),
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}
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def _extract_url_from_text(text: str) -> Optional[str]:
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"""Extract first http/https URL from text."""
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if not text:
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return None
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match = re.search(r"https?://[^\s\"'<>\)\]\}]+", text)
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return match.group(0) if match else None
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def _test_mcp_server(server, db) -> dict:
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"""
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Test connectivity to an MCP server and persist the result.
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Supports stdio, sse and streamable_http transports.
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Returns a result dict with success/message/details.
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"""
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result = {"success": False, "message": "", "details": {}}
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transport = (server.transport_type or "stdio").replace("-", "_")
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try:
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if transport in ("streamable_http", "streamablehttp"):
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url = server.url
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if not url:
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result["message"] = "Streamable HTTP endpoint URL is required"
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else:
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import httpx
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try:
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# A real streamable-http MCP endpoint accepts POST JSON-RPC.
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# Some implementations also accept GET for SSE events.
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# Try GET first (cheapest), fall back to a minimal POST.
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resp = httpx.get(url, timeout=10.0, follow_redirects=True)
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if resp.status_code == 405:
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resp = httpx.post(
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url,
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json={"jsonrpc": "2.0", "method": "initialize", "id": 1},
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timeout=10.0,
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follow_redirects=True,
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)
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# Any HTTP response (including 4xx) means the host is reachable.
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result["success"] = resp.status_code < 500
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result["message"] = f"HTTP responded with {resp.status_code}"
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result["details"]["status_code"] = resp.status_code
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result["details"]["content_type"] = resp.headers.get("content-type", "")
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except httpx.ConnectError as e:
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result["message"] = f"Connection refused - server may be down: {str(e)}"
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except httpx.TimeoutException:
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result["message"] = "Connection timed out"
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except Exception as e:
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result["message"] = f"HTTP request failed: {str(e)}"
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elif transport == "sse":
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sse_url = server.url
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if not sse_url:
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result["message"] = "SSE URL is required"
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else:
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import httpx
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try:
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response = httpx.get(sse_url, timeout=10.0, follow_redirects=True)
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result["success"] = response.status_code < 500
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result["message"] = f"SSE endpoint responded with {response.status_code}"
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result["details"]["status_code"] = response.status_code
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result["details"]["content_type"] = response.headers.get("content-type", "")
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except httpx.ConnectError as e:
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result["message"] = f"Connection refused - server may be down: {str(e)}"
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except httpx.TimeoutException:
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result["message"] = "Connection timed out"
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except Exception as e:
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result["message"] = f"SSE request failed: {str(e)}"
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elif transport == "stdio":
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cmd = server.command
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if not cmd:
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result["message"] = "STDIO command is required"
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else:
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import subprocess
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try:
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subprocess.run([cmd, "--version"], capture_output=True, timeout=10)
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result["success"] = True
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result["message"] = "Command found and executable"
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except FileNotFoundError:
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result["message"] = "Command not found in PATH"
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except subprocess.TimeoutExpired:
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result["message"] = "Command timed out"
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except Exception as e:
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result["message"] = "Command test failed"
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result["details"]["error"] = str(e)
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else:
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result["message"] = f"Unsupported transport type: {transport}"
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# Persist status
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if result["success"]:
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server.status = "connected"
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server.last_connected_at = datetime.now()
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else:
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server.status = "error"
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server.updated_at = datetime.now()
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db.commit()
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except Exception as e:
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result["message"] = str(e)
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result["details"]["error"] = str(e)
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server.status = "error"
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server.updated_at = datetime.now()
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db.commit()
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return result
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def _sync_market_mcp_to_servers(db: Session):
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"""
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Synchronize MarketApp MCP records (type='mcp') into mcp_servers table.
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Uses MarketApp.id as MCPServer.id so detail/edit endpoints can work directly.
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"""
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from ...models import MarketApp, MCPServer
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market_mcps = db.query(MarketApp).filter(
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MarketApp.type == "mcp",
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MarketApp.status == "published",
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).all()
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existing_ids = {row[0] for row in db.query(MCPServer.id).all()}
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for ma in market_mcps:
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if ma.id in existing_ids:
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# Update URL if the server record has no endpoint yet
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existing = db.query(MCPServer).filter(MCPServer.id == ma.id).first()
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if existing and not existing.url:
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url = _extract_url_from_text(ma.skill_content or "") or _extract_url_from_text(ma.description or "") or ""
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if not url and ma.agent_endpoint:
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url = ma.agent_endpoint
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if url:
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existing.url = url
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existing.updated_at = datetime.now()
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db.commit()
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continue
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transport = ma.mcp_transport or "streamable_http"
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code = ma.skill_content or ""
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url = _extract_url_from_text(code) or _extract_url_from_text(ma.description or "") or ""
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command = ""
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if not url and ma.agent_endpoint:
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url = ma.agent_endpoint
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now = datetime.now()
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server = MCPServer(
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id=ma.id,
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name=ma.name,
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description=ma.description or "",
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transport_type=transport,
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command=command,
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args="{}",
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env_vars="{}",
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url=url,
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headers="{}",
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is_enabled=True,
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status="disconnected",
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tools_count=0,
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resources_count=0,
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created_at=ma.created_at or now,
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updated_at=ma.updated_at or now,
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)
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db.add(server)
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if market_mcps:
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db.commit()
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# ============================================================
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# API Endpoints
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# ============================================================
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@router.get("/stats/overview", summary="Get MCP server statistics")
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async def get_mcp_stats(
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db: Session = Depends(get_db),
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admin_user=Depends(get_current_admin),
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):
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"""Get overview statistics for MCP servers"""
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from ...models import MCPServer
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_sync_market_mcp_to_servers(db)
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total = db.query(func.count(MCPServer.id)).scalar() or 0
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enabled = db.query(func.count(MCPServer.id)).filter(MCPServer.is_enabled == True).scalar() or 0
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connected = db.query(func.count(MCPServer.id)).filter(MCPServer.status == "connected").scalar() or 0
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# By transport type
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by_transport = {}
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rows = db.query(MCPServer.transport_type, func.count(MCPServer.id)).group_by(MCPServer.transport_type).all()
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for t, c in rows:
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by_transport[t or "unknown"] = c
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# By status
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by_status = {}
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rows = db.query(MCPServer.status, func.count(MCPServer.id)).group_by(MCPServer.status).all()
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for s, c in rows:
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by_status[s or "unknown"] = c
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return {
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"code": 0,
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"data": {
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"total_servers": total,
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"enabled_servers": enabled,
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"connected_servers": connected,
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"by_transport": by_transport,
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"by_status": by_status,
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},
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"message": "ok",
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}
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@router.get("/", summary="List MCP servers")
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async def list_mcp_servers(
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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search: Optional[str] = Query(None),
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transport_type: Optional[str] = Query(None),
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status: Optional[str] = Query(None),
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is_enabled: Optional[bool] = Query(None),
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db: Session = Depends(get_db),
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admin_user=Depends(get_current_admin),
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):
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"""List all MCP servers with pagination and filters"""
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from ...models import MCPServer
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_sync_market_mcp_to_servers(db)
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query = db.query(MCPServer)
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if search:
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query = query.filter(
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or_(MCPServer.name.contains(search), MCPServer.description.contains(search))
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)
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if transport_type:
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query = query.filter(MCPServer.transport_type == transport_type)
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if status:
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query = query.filter(MCPServer.status == status)
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if is_enabled is not None:
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query = query.filter(MCPServer.is_enabled == is_enabled)
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total = query.count()
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servers = query.order_by(desc(MCPServer.created_at)).offset((page - 1) * page_size).limit(page_size).all()
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return {
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"code": 0,
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"data": {
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"total": total,
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"page": page,
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"page_size": page_size,
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"items": [server_to_dict(s) for s in servers],
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},
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"message": "ok",
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}
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@router.get("/{server_id}", summary="Get MCP server details")
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async def get_mcp_server(
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server_id: str,
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|
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db: Session = Depends(get_db),
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admin_user=Depends(get_current_admin),
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|
||||
):
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|
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"""Get a single MCP server by ID"""
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from ...models import MCPServer
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_sync_market_mcp_to_servers(db)
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server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
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|
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if not server:
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raise HTTPException(status_code=404, detail="MCP server not found")
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|
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return {"code": 0, "data": server_to_dict(server), "message": "ok"}
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|
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@router.post("/", summary="Create MCP server")
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|
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async def create_mcp_server(
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|
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data: MCPServerCreate,
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||||
|
||||
db: Session = Depends(get_db),
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||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""Register a new MCP server"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
# Check name uniqueness
|
||||
|
||||
existing = db.query(MCPServer).filter(MCPServer.name == data.name).first()
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||||
|
||||
if existing:
|
||||
|
||||
raise HTTPException(status_code=400, detail="MCP server with this name already exists")
|
||||
|
||||
now = datetime.now()
|
||||
|
||||
server = MCPServer(
|
||||
|
||||
id=gen_uuid(),
|
||||
|
||||
name=data.name,
|
||||
|
||||
description=data.description or "",
|
||||
|
||||
transport_type=data.transport_type,
|
||||
|
||||
command=data.command or "",
|
||||
|
||||
args=json.dumps(data.args) if data.args else "{}",
|
||||
|
||||
env_vars=json.dumps(data.env_vars) if data.env_vars else "{}",
|
||||
|
||||
url=data.url or "",
|
||||
|
||||
headers=json.dumps(data.headers) if data.headers else "{}",
|
||||
|
||||
is_enabled=data.is_enabled if data.is_enabled is not None else True,
|
||||
|
||||
status="disconnected",
|
||||
|
||||
created_at=now,
|
||||
|
||||
updated_at=now,
|
||||
|
||||
)
|
||||
|
||||
db.add(server)
|
||||
|
||||
db.commit()
|
||||
|
||||
db.refresh(server)
|
||||
|
||||
logger.info(f"MCP server created: {server.name} ({server.id})")
|
||||
|
||||
return {"code": 0, "data": server_to_dict(server), "message": "MCP server created"}
|
||||
|
||||
@router.put("/{server_id}", summary="Update MCP server")
|
||||
|
||||
async def update_mcp_server(
|
||||
|
||||
server_id: str,
|
||||
|
||||
data: MCPServerUpdate,
|
||||
|
||||
db: Session = Depends(get_db),
|
||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""Update an existing MCP server"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
|
||||
if not server:
|
||||
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
update_fields = data.model_dump(exclude_unset=True)
|
||||
|
||||
# Handle JSON fields
|
||||
|
||||
for json_field in ["args", "env_vars", "headers"]:
|
||||
|
||||
if json_field in update_fields and update_fields[json_field] is not None:
|
||||
|
||||
update_fields[json_field] = json.dumps(update_fields[json_field])
|
||||
|
||||
for key, value in update_fields.items():
|
||||
|
||||
if value is not None:
|
||||
|
||||
setattr(server, key, value)
|
||||
|
||||
server.updated_at = datetime.now()
|
||||
|
||||
db.commit()
|
||||
|
||||
db.refresh(server)
|
||||
|
||||
logger.info(f"MCP server updated: {server.name} ({server.id})")
|
||||
|
||||
return {"code": 0, "data": server_to_dict(server), "message": "MCP server updated"}
|
||||
|
||||
@router.delete("/{server_id}", summary="Delete MCP server")
|
||||
|
||||
async def delete_mcp_server(
|
||||
|
||||
server_id: str,
|
||||
|
||||
db: Session = Depends(get_db),
|
||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""Delete an MCP server"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
|
||||
if not server:
|
||||
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
name = server.name
|
||||
|
||||
db.delete(server)
|
||||
|
||||
db.commit()
|
||||
|
||||
logger.info(f"MCP server deleted: {name} ({server_id})")
|
||||
|
||||
return {"code": 0, "data": None, "message": "MCP server deleted"}
|
||||
|
||||
@router.put("/{server_id}/toggle", summary="Enable/Disable MCP server")
|
||||
|
||||
async def toggle_mcp_server(
|
||||
|
||||
server_id: str,
|
||||
|
||||
db: Session = Depends(get_db),
|
||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""Toggle MCP server enabled state"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
|
||||
if not server:
|
||||
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
server.is_enabled = not server.is_enabled
|
||||
|
||||
server.updated_at = datetime.now()
|
||||
|
||||
db.commit()
|
||||
|
||||
logger.info(f"MCP server toggled: {server.name} -> enabled={server.is_enabled}")
|
||||
|
||||
return {
|
||||
|
||||
"code": 0,
|
||||
|
||||
"data": {"id": server.id, "is_enabled": server.is_enabled},
|
||||
|
||||
"message": "MCP server toggled",
|
||||
|
||||
}
|
||||
|
||||
@router.post("/{server_id}/test", summary="Test MCP server connection")
|
||||
async def test_mcp_connection(
|
||||
server_id: str,
|
||||
db: Session = Depends(get_db),
|
||||
admin_user=Depends(get_current_admin),
|
||||
test_data: Optional[MCPServerConnectionTest] = None,
|
||||
):
|
||||
"""Test connection to an MCP server"""
|
||||
from ...models import MCPServer
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
if not server:
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
# If test_data provides an override URL/transport, apply it temporarily
|
||||
original_url = server.url
|
||||
original_transport = server.transport_type
|
||||
if test_data:
|
||||
if test_data.transport_type:
|
||||
server.transport_type = test_data.transport_type
|
||||
if test_data.url:
|
||||
server.url = test_data.url
|
||||
if test_data.command:
|
||||
server.command = test_data.command
|
||||
|
||||
result = _test_mcp_server(server, db)
|
||||
|
||||
# Restore original values if no override was explicitly persisted
|
||||
if test_data and test_data.url is None:
|
||||
server.url = original_url
|
||||
if test_data and test_data.transport_type is None:
|
||||
server.transport_type = original_transport
|
||||
if test_data:
|
||||
db.commit()
|
||||
|
||||
return {"code": 0, "data": result, "message": "ok"}
|
||||
|
||||
@router.get("/{server_id}/tools", summary="List MCP server tools")
|
||||
|
||||
async def list_mcp_tools(
|
||||
|
||||
server_id: str,
|
||||
|
||||
db: Session = Depends(get_db),
|
||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""List tools exposed by an MCP server (placeholder/mock)"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
|
||||
if not server:
|
||||
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
# In a real implementation, this would connect to the MCP server and call tools/list
|
||||
|
||||
# For now, return mock data based on common MCP tools
|
||||
|
||||
mock_tools = []
|
||||
|
||||
if server.transport_type == "stdio":
|
||||
|
||||
mock_tools = [
|
||||
|
||||
{"name": "read_file", "description": "Read contents of a file"},
|
||||
|
||||
{"name": "write_file", "description": "Write contents to a file"},
|
||||
|
||||
{"name": "execute_command", "description": "Execute a shell command"},
|
||||
|
||||
{"name": "search_content", "description": "Search for content in files"},
|
||||
|
||||
]
|
||||
|
||||
elif server.transport_type == "sse":
|
||||
|
||||
mock_tools = [
|
||||
|
||||
{"name": "web_search", "description": "Search the web"},
|
||||
|
||||
{"name": "fetch_url", "description": "Fetch content from URL"},
|
||||
|
||||
{"name": "api_request", "description": "Make API requests"},
|
||||
|
||||
]
|
||||
|
||||
return {
|
||||
|
||||
"code": 0,
|
||||
|
||||
"data": {
|
||||
|
||||
"server_name": server.name,
|
||||
|
||||
"tools": mock_tools,
|
||||
|
||||
"count": len(mock_tools),
|
||||
|
||||
},
|
||||
|
||||
"message": "ok",
|
||||
|
||||
}
|
||||
|
||||
@router.get("/{server_id}/resources", summary="List MCP server resources")
|
||||
|
||||
async def list_mcp_resources(
|
||||
|
||||
server_id: str,
|
||||
|
||||
db: Session = Depends(get_db),
|
||||
|
||||
admin_user=Depends(get_current_admin),
|
||||
|
||||
):
|
||||
|
||||
"""List resources exposed by an MCP server (placeholder/mock)"""
|
||||
|
||||
from ...models import MCPServer
|
||||
|
||||
server = db.query(MCPServer).filter(MCPServer.id == server_id).first()
|
||||
|
||||
if not server:
|
||||
|
||||
raise HTTPException(status_code=404, detail="MCP server not found")
|
||||
|
||||
mock_resources = [
|
||||
|
||||
{"uri": f"{server.name}://docs/readme", "name": "Documentation", "mime_type": "text/markdown"},
|
||||
|
||||
{"uri": f"{server.name}://config/settings", "name": "Configuration", "mime_type": "application/json"},
|
||||
|
||||
]
|
||||
|
||||
return {
|
||||
|
||||
"code": 0,
|
||||
|
||||
"data": {
|
||||
|
||||
"server_name": server.name,
|
||||
|
||||
"resources": mock_resources,
|
||||
|
||||
"count": len(mock_resources),
|
||||
|
||||
},
|
||||
|
||||
"message": "ok",
|
||||
|
||||
}
|
||||
|
||||
Reference in new issue
Block a user