feat: add mcp server

api/mcp/auth.py

@@ -0,0 +1,25 @@
+from fastapi import HTTPException
+from fastmcp.server.dependencies import get_http_headers
+
+from api.db.models import UserModel
+from api.services.auth.depends import _handle_api_key_auth
+
+
+async def authenticate_mcp_request() -> UserModel:
+    """Resolve the authenticated Dograh user for an MCP tool invocation.
+
+    Accepts either `X-API-Key: <key>` or `Authorization: Bearer <key>`,
+    reusing the API-key flow from `api.services.auth.depends`.
+    """
+    headers = get_http_headers()
+    api_key = headers.get("x-api-key")
+    if not api_key:
+        auth = headers.get("authorization", "")
+        if auth.lower().startswith("bearer "):
+            api_key = auth.split(" ", 1)[1].strip()
+    if not api_key:
+        raise HTTPException(
+            status_code=401,
+            detail="Missing API key — send X-API-Key or Authorization: Bearer <key>",
+        )
+    return await _handle_api_key_auth(api_key)