diff --git a/api/core/ops/weave_trace/__init__.py b/api/core/ops/weave_trace/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/api/core/ops/weave_trace/entities/__init__.py b/api/core/ops/weave_trace/entities/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/api/core/ops/weave_trace/entities/weave_trace_entity.py b/api/core/ops/weave_trace/entities/weave_trace_entity.py
new file mode 100644
index 0000000000..a44956186f
--- /dev/null
+++ b/api/core/ops/weave_trace/entities/weave_trace_entity.py
@@ -0,0 +1,20 @@
+from pydantic import BaseModel, Field
+from typing import Any, Union, Optional, List, Dict
+
+class WeaveTokenUsage(BaseModel):
+    input_tokens: Optional[int] = None
+    output_tokens: Optional[int] = None
+    total_tokens: Optional[int] = None
+
+class WeaveMultiModel(BaseModel):
+    file_list: Optional[list[str]] = Field(None, description="List of files")
+
+
+
+class WeaveTraceModel(WeaveTokenUsage, WeaveMultiModel):
+    inputs: Optional[Union[str, Dict[str, Any], List, None]] = Field(None, description="Inputs of the trace")
+    attributes: Optional[Union[str, Dict[str, Any], List, None]] = Field(None, description="Metadata and attributes associated with trace")
+
+class WeaveTraceUpdateModel(BaseModel):
+    run_id: str = Field(..., description="ID of the run")
+    outputs: Optional[Union[str, Dict[str, Any], List, None]] = Field(None, description="Outputs of the trace")
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diff --git a/api/core/ops/weave_trace/weave_trace.py b/api/core/ops/weave_trace/weave_trace.py
new file mode 100644
index 0000000000..f030f7a43f
--- /dev/null
+++ b/api/core/ops/weave_trace/weave_trace.py
@@ -0,0 +1,72 @@
+import json
+import logging
+import os
+import uuid
+from datetime import datetime, timedelta
+from typing import Optional, cast
+
+from core.ops.base_trace_instance import BaseTraceInstance
+from core.ops.entities.config_entity import WeaveConfig
+from core.ops.entities.trace_entity import (
+    BaseTraceInfo,
+    DatasetRetrievalTraceInfo,
+    GenerateNameTraceInfo,
+    MessageTraceInfo,
+    ModerationTraceInfo,
+    SuggestedQuestionTraceInfo,
+    ToolTraceInfo,
+    TraceTaskName,
+    WorkflowTraceInfo,
+)
+
+from core.ops.utils import filter_none_values, generate_dotted_order
+from extensions.ext_database import db
+from models.model import EndUser, MessageFile
+from models.workflow import WorkflowNodeExecution
+import weave
+import wandb
+
+logger = logging.getLogger(__name__)
+
+
+class WeaveDataTrace(BaseTraceInstance):
+    def __init__(
+        self,
+        weave_config: WeaveConfig,
+    ):
+        super().__init__(weave_config)
+        self.weave_api_key = weave_config.api_key
+        self.project_name = weave_config.project
+        self.entity = weave_config.entity
+        self.weave_client = weave.init(project_name=f"{self.entity}/{self.project_name}" if self.entity else self.project_name)
+        self.file_base_url = os.getenv("FILES_URL", "http://127.0.0.1:5001")
+        self.calls = {}
+
+
+    def trace(self, trace_info: BaseTraceInfo):
+        pass
+
+    def api_check(self):
+        try:
+            login_status = wandb.login(key=self.weave_api_key, verify=True, relogin=True)
+            if not login_status:
+                raise ValueError("Weave login failed")
+            else:
+                print("Weave login successful")
+                return True
+        except Exception as e:
+            logger.debug(f"Weave API check failed: {str(e)}")
+            raise ValueError(f"Weave API check failed: {str(e)}")
+
+    def add_run(self, run_data: dict, parent_run_id: Optional[str] = None):
+        call = self.weave_client.create_call(op=run_data["name"], inputs=run_data["inputs"])
+        self.calls[run_data["id"]] = call
+        if parent_run_id:
+            self.calls[run_data["id"]].parent_id = parent_run_id
+
+    def update_run(self, run_data: dict):
+        call = self.calls.get(run_data["id"])
+        if call:
+            self.weave_client.finish_call(call, output=run_data["outputs"])
+        else:
+            raise ValueError(f"Call with id {run_data['id']} not found")
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