diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7132e09c..2a73b7c2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,3 +29,10 @@ repos:
     hooks:
       - id: black
         files: ^server/(reflector|tests)/
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        name: isort (python)
+        files: ^server/(gpu|evaluate|reflector)/
diff --git a/server/env.example b/server/env.example
index a8fd4128..0dc73c22 100644
--- a/server/env.example
+++ b/server/env.example
@@ -59,8 +59,8 @@
 ## llm backend implementation
 ## =======================================================
 
-## Use oobagooda (default)
-#LLM_BACKEND=oobagooda
+## Use oobabooga (default)
+#LLM_BACKEND=oobabooga
 #LLM_URL=http://xxx:7860/api/generate/v1
 
 ## Using serverless modal.com (require reflector-gpu-modal deployed)
diff --git a/server/gpu/modal/reflector_llm.py b/server/gpu/modal/reflector_llm.py
index bf6f4cf5..fd8a4aae 100644
--- a/server/gpu/modal/reflector_llm.py
+++ b/server/gpu/modal/reflector_llm.py
@@ -3,14 +3,15 @@ Reflector GPU backend - LLM
 ===========================
 
 """
-
+import json
 import os
-from modal import Image, method, Stub, asgi_app, Secret
+from typing import Optional
 
+from modal import Image, Secret, Stub, asgi_app, method
 
 # LLM
 LLM_MODEL: str = "lmsys/vicuna-13b-v1.5"
-LLM_LOW_CPU_MEM_USAGE: bool = False
+LLM_LOW_CPU_MEM_USAGE: bool = True
 LLM_TORCH_DTYPE: str = "bfloat16"
 LLM_MAX_NEW_TOKENS: int = 300
 
@@ -49,6 +50,8 @@ llm_image = (
         "torch",
         "sentencepiece",
         "protobuf",
+        "jsonformer==0.12.0",
+        "accelerate==0.21.0",
         "einops==0.6.1",
         "hf-transfer~=0.1",
         "huggingface_hub==0.16.4",
@@ -81,6 +84,7 @@ class LLM:
 
         # generation configuration
         print("Instance llm generation config")
+        # JSONFormer doesn't yet support generation configs, but keeping for future usage
         model.config.max_new_tokens = LLM_MAX_NEW_TOKENS
         gen_cfg = GenerationConfig.from_model_config(model.config)
         gen_cfg.max_new_tokens = LLM_MAX_NEW_TOKENS
@@ -107,16 +111,30 @@ class LLM:
         return {"status": "ok"}
 
     @method()
-    def generate(self, prompt: str):
+    def generate(self, prompt: str, schema: str = None):
         print(f"Generate {prompt=}")
-        # tokenize prompt
-        input_ids = self.tokenizer.encode(prompt, return_tensors="pt").to(
-            self.model.device
-        )
-        output = self.model.generate(input_ids, generation_config=self.gen_cfg)
+        # If a schema is given, conform to schema
+        if schema:
+            print(f"Schema {schema=}")
+            import jsonformer
 
-        # decode output
-        response = self.tokenizer.decode(output[0].cpu(), skip_special_tokens=True)
+            jsonformer_llm = jsonformer.Jsonformer(model=self.model,
+                                                   tokenizer=self.tokenizer,
+                                                   json_schema=json.loads(schema),
+                                                   prompt=prompt,
+                                                   max_string_token_length=self.gen_cfg.max_new_tokens)
+            response = jsonformer_llm()
+        else:
+            # If no schema, perform prompt only generation
+
+            # tokenize prompt
+            input_ids = self.tokenizer.encode(prompt, return_tensors="pt").to(
+                self.model.device
+            )
+            output = self.model.generate(input_ids, generation_config=self.gen_cfg)
+
+            # decode output
+            response = self.tokenizer.decode(output[0].cpu(), skip_special_tokens=True)
         print(f"Generated {response=}")
         return {"text": response}
 
@@ -135,7 +153,7 @@ class LLM:
 )
 @asgi_app()
 def web():
-    from fastapi import FastAPI, HTTPException, status, Depends
+    from fastapi import Depends, FastAPI, HTTPException, status
     from fastapi.security import OAuth2PasswordBearer
     from pydantic import BaseModel
 
@@ -154,12 +172,16 @@ def web():
 
     class LLMRequest(BaseModel):
         prompt: str
+        schema: Optional[dict] = None
 
     @app.post("/llm", dependencies=[Depends(apikey_auth)])
     async def llm(
         req: LLMRequest,
     ):
-        func = llmstub.generate.spawn(prompt=req.prompt)
+        if req.schema:
+            func = llmstub.generate.spawn(prompt=req.prompt, schema=json.dumps(req.schema))
+        else:
+            func = llmstub.generate.spawn(prompt=req.prompt)
         result = func.get()
         return result
 
diff --git a/server/reflector/app.py b/server/reflector/app.py
index fa148240..14d55d7a 100644
--- a/server/reflector/app.py
+++ b/server/reflector/app.py
@@ -1,15 +1,17 @@
+from contextlib import asynccontextmanager
+
+import reflector.auth  # noqa
+import reflector.db  # noqa
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi_pagination import add_pagination
 from fastapi.routing import APIRoute
-import reflector.db  # noqa
-import reflector.auth  # noqa
-from reflector.views.rtc_offer import router as rtc_offer_router
-from reflector.views.transcripts import router as transcripts_router
-from reflector.events import subscribers_startup, subscribers_shutdown
+from fastapi_pagination import add_pagination
+from reflector.events import subscribers_shutdown, subscribers_startup
 from reflector.logger import logger
 from reflector.settings import settings
-from contextlib import asynccontextmanager
+from reflector.views.rtc_offer import router as rtc_offer_router
+from reflector.views.transcripts import router as transcripts_router
+from reflector.views.user import router as user_router
 
 try:
     import sentry_sdk
@@ -50,6 +52,7 @@ app.add_middleware(
 # register views
 app.include_router(rtc_offer_router)
 app.include_router(transcripts_router, prefix="/v1")
+app.include_router(user_router, prefix="/v1")
 add_pagination(app)
 
 
diff --git a/server/reflector/llm/base.py b/server/reflector/llm/base.py
index e528a3e6..d046ffe7 100644
--- a/server/reflector/llm/base.py
+++ b/server/reflector/llm/base.py
@@ -1,10 +1,11 @@
-from reflector.settings import settings
-from reflector.utils.retry import retry
-from reflector.logger import logger as reflector_logger
-from time import monotonic
 import importlib
 import json
 import re
+from time import monotonic
+
+from reflector.logger import logger as reflector_logger
+from reflector.settings import settings
+from reflector.utils.retry import retry
 
 
 class LLM:
@@ -20,7 +21,7 @@ class LLM:
         Return an instance depending on the settings.
         Settings used:
 
-        - `LLM_BACKEND`: key of the backend, defaults to `oobagooda`
+        - `LLM_BACKEND`: key of the backend, defaults to `oobabooga`
         - `LLM_URL`: url of the backend
         """
         if name is None:
@@ -44,10 +45,16 @@ class LLM:
     async def _warmup(self, logger: reflector_logger):
         pass
 
-    async def generate(self, prompt: str, logger: reflector_logger, **kwargs) -> dict:
+    async def generate(
+        self,
+        prompt: str,
+        logger: reflector_logger,
+        schema: dict | None = None,
+        **kwargs,
+    ) -> dict:
         logger.info("LLM generate", prompt=repr(prompt))
         try:
-            result = await retry(self._generate)(prompt=prompt, **kwargs)
+            result = await retry(self._generate)(prompt=prompt, schema=schema, **kwargs)
         except Exception:
             logger.exception("Failed to call llm after retrying")
             raise
@@ -59,7 +66,7 @@ class LLM:
 
         return result
 
-    async def _generate(self, prompt: str, **kwargs) -> str:
+    async def _generate(self, prompt: str, schema: dict | None, **kwargs) -> str:
         raise NotImplementedError
 
     def _parse_json(self, result: str) -> dict:
diff --git a/server/reflector/llm/llm_banana.py b/server/reflector/llm/llm_banana.py
index d6a0fa07..56fc0e69 100644
--- a/server/reflector/llm/llm_banana.py
+++ b/server/reflector/llm/llm_banana.py
@@ -1,7 +1,7 @@
+import httpx
 from reflector.llm.base import LLM
 from reflector.settings import settings
 from reflector.utils.retry import retry
-import httpx
 
 
 class BananaLLM(LLM):
@@ -13,18 +13,22 @@ class BananaLLM(LLM):
             "X-Banana-Model-Key": settings.LLM_BANANA_MODEL_KEY,
         }
 
-    async def _generate(self, prompt: str, **kwargs):
+    async def _generate(self, prompt: str, schema: dict | None, **kwargs):
+        json_payload = {"prompt": prompt}
+        if schema:
+            json_payload["schema"] = schema
         async with httpx.AsyncClient() as client:
             response = await retry(client.post)(
                 settings.LLM_URL,
                 headers=self.headers,
-                json={"prompt": prompt},
+                json=json_payload,
                 timeout=self.timeout,
                 retry_timeout=300,  # as per their sdk
             )
             response.raise_for_status()
             text = response.json()["text"]
-            text = text[len(prompt) :]  # remove prompt
+            if not schema:
+                text = text[len(prompt) :]
             return text
 
 
diff --git a/server/reflector/llm/llm_modal.py b/server/reflector/llm/llm_modal.py
index 7f23aa0d..ce0de02a 100644
--- a/server/reflector/llm/llm_modal.py
+++ b/server/reflector/llm/llm_modal.py
@@ -1,7 +1,7 @@
+import httpx
 from reflector.llm.base import LLM
 from reflector.settings import settings
 from reflector.utils.retry import retry
-import httpx
 
 
 class ModalLLM(LLM):
@@ -23,18 +23,22 @@ class ModalLLM(LLM):
             )
             response.raise_for_status()
 
-    async def _generate(self, prompt: str, **kwargs):
+    async def _generate(self, prompt: str, schema: dict | None, **kwargs):
+        json_payload = {"prompt": prompt}
+        if schema:
+            json_payload["schema"] = schema
         async with httpx.AsyncClient() as client:
             response = await retry(client.post)(
                 self.llm_url,
                 headers=self.headers,
-                json={"prompt": prompt},
+                json=json_payload,
                 timeout=self.timeout,
                 retry_timeout=60 * 5,
             )
             response.raise_for_status()
             text = response.json()["text"]
-            text = text[len(prompt) :]  # remove prompt
+            if not schema:
+                text = text[len(prompt) :]
             return text
 
 
@@ -48,6 +52,14 @@ if __name__ == "__main__":
         result = await llm.generate("Hello, my name is", logger=logger)
         print(result)
 
+        schema = {
+            "type": "object",
+            "properties": {"name": {"type": "string"}},
+        }
+
+        result = await llm.generate("Hello, my name is", schema=schema, logger=logger)
+        print(result)
+
     import asyncio
 
     asyncio.run(main())
diff --git a/server/reflector/llm/llm_oobagooda.py b/server/reflector/llm/llm_oobabooga.py
similarity index 56%
rename from server/reflector/llm/llm_oobagooda.py
rename to server/reflector/llm/llm_oobabooga.py
index be7d8133..411014c5 100644
--- a/server/reflector/llm/llm_oobagooda.py
+++ b/server/reflector/llm/llm_oobabooga.py
@@ -1,18 +1,21 @@
+import httpx
 from reflector.llm.base import LLM
 from reflector.settings import settings
-import httpx
 
 
-class OobagoodaLLM(LLM):
-    async def _generate(self, prompt: str, **kwargs):
+class OobaboogaLLM(LLM):
+    async def _generate(self, prompt: str, schema: dict | None, **kwargs):
+        json_payload = {"prompt": prompt}
+        if schema:
+            json_payload["schema"] = schema
         async with httpx.AsyncClient() as client:
             response = await client.post(
                 settings.LLM_URL,
                 headers={"Content-Type": "application/json"},
-                json={"prompt": prompt},
+                json=json_payload,
             )
             response.raise_for_status()
             return response.json()
 
 
-LLM.register("oobagooda", OobagoodaLLM)
+LLM.register("oobabooga", OobaboogaLLM)
diff --git a/server/reflector/llm/llm_openai.py b/server/reflector/llm/llm_openai.py
index dd438704..7ed532b7 100644
--- a/server/reflector/llm/llm_openai.py
+++ b/server/reflector/llm/llm_openai.py
@@ -1,7 +1,7 @@
+import httpx
 from reflector.llm.base import LLM
 from reflector.logger import logger
 from reflector.settings import settings
-import httpx
 
 
 class OpenAILLM(LLM):
@@ -15,7 +15,7 @@ class OpenAILLM(LLM):
         self.max_tokens = settings.LLM_MAX_TOKENS
         logger.info(f"LLM use openai backend at {self.openai_url}")
 
-    async def _generate(self, prompt: str, **kwargs) -> str:
+    async def _generate(self, prompt: str, schema: dict | None, **kwargs) -> str:
         headers = {
             "Content-Type": "application/json",
             "Authorization": f"Bearer {self.openai_key}",
diff --git a/server/reflector/processors/transcript_topic_detector.py b/server/reflector/processors/transcript_topic_detector.py
index b626e8a2..3d8e3965 100644
--- a/server/reflector/processors/transcript_topic_detector.py
+++ b/server/reflector/processors/transcript_topic_detector.py
@@ -1,7 +1,7 @@
-from reflector.processors.base import Processor
-from reflector.processors.types import Transcript, TitleSummary
-from reflector.utils.retry import retry
 from reflector.llm import LLM
+from reflector.processors.base import Processor
+from reflector.processors.types import TitleSummary, Transcript
+from reflector.utils.retry import retry
 
 
 class TranscriptTopicDetectorProcessor(Processor):
@@ -15,9 +15,11 @@ class TranscriptTopicDetectorProcessor(Processor):
     PROMPT = """
         ### Human:
         Create a JSON object as response.The JSON object must have 2 fields:
-        i) title and ii) summary.For the title field,generate a short title
-        for the given text. For the summary field, summarize the given text
-        in three sentences.
+        i) title and ii) summary.
+
+        For the title field, generate a short title for the given text.
+        For the summary field, summarize the given text in a maximum of
+        three sentences.
 
         {input_text}
 
@@ -30,6 +32,13 @@ class TranscriptTopicDetectorProcessor(Processor):
         self.transcript = None
         self.min_transcript_length = min_transcript_length
         self.llm = LLM.get_instance()
+        self.topic_detector_schema = {
+            "type": "object",
+            "properties": {
+                "title": {"type": "string"},
+                "summary": {"type": "string"},
+            },
+        }
 
     async def _warmup(self):
         await self.llm.warmup(logger=self.logger)
@@ -52,7 +61,9 @@ class TranscriptTopicDetectorProcessor(Processor):
         text = self.transcript.text
         self.logger.info(f"Topic detector got {len(text)} length transcript")
         prompt = self.PROMPT.format(input_text=text)
-        result = await retry(self.llm.generate)(prompt=prompt, logger=self.logger)
+        result = await retry(self.llm.generate)(
+            prompt=prompt, schema=self.topic_detector_schema, logger=self.logger
+        )
         summary = TitleSummary(
             title=result["title"],
             summary=result["summary"],
diff --git a/server/reflector/settings.py b/server/reflector/settings.py
index 2add7448..468dab2f 100644
--- a/server/reflector/settings.py
+++ b/server/reflector/settings.py
@@ -55,8 +55,8 @@ class Settings(BaseSettings):
     TRANSCRIPT_STORAGE_AWS_SECRET_ACCESS_KEY: str | None = None
 
     # LLM
-    # available backend: openai, banana, modal, oobagooda
-    LLM_BACKEND: str = "oobagooda"
+    # available backend: openai, banana, modal, oobabooga
+    LLM_BACKEND: str = "oobabooga"
 
     # LLM common configuration
     LLM_URL: str | None = None
diff --git a/server/reflector/views/transcripts.py b/server/reflector/views/transcripts.py
index bfe61473..29db9ec7 100644
--- a/server/reflector/views/transcripts.py
+++ b/server/reflector/views/transcripts.py
@@ -136,9 +136,7 @@ class TranscriptController:
         query = transcripts.select()
         if user_id is not None:
             query = query.where(transcripts.c.user_id == user_id)
-        print(query)
         results = await database.fetch_all(query)
-        print(results)
         return results
 
     async def get_by_id(
diff --git a/server/reflector/views/user.py b/server/reflector/views/user.py
new file mode 100644
index 00000000..4952c471
--- /dev/null
+++ b/server/reflector/views/user.py
@@ -0,0 +1,20 @@
+from typing import Annotated, Optional
+
+import reflector.auth as auth
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel
+
+router = APIRouter()
+
+
+class UserInfo(BaseModel):
+    sub: str
+    email: Optional[str]
+    email_verified: Optional[bool]
+
+
+@router.get("/me")
+async def user_me(
+    user: Annotated[Optional[auth.UserInfo], Depends(auth.current_user_optional)],
+) -> UserInfo | None:
+    return user
diff --git a/server/tests/test_processors_pipeline.py b/server/tests/test_processors_pipeline.py
index 95c296de..cc6a8574 100644
--- a/server/tests/test_processors_pipeline.py
+++ b/server/tests/test_processors_pipeline.py
@@ -15,7 +15,7 @@ async def test_basic_process(event_loop):
     settings.TRANSCRIPT_BACKEND = "whisper"
 
     class LLMTest(LLM):
-        async def _generate(self, prompt: str, **kwargs) -> str:
+        async def _generate(self, prompt: str, schema: dict | None, **kwargs) -> str:
             return {
                 "title": "TITLE",
                 "summary": "SUMMARY",
diff --git a/server/tests/test_transcripts_rtc_ws.py b/server/tests/test_transcripts_rtc_ws.py
index 0e764cca..8237d4ab 100644
--- a/server/tests/test_transcripts_rtc_ws.py
+++ b/server/tests/test_transcripts_rtc_ws.py
@@ -3,16 +3,16 @@
 # FIXME test websocket connection after RTC is finished still send the full events
 # FIXME try with locked session, RTC should not work
 
-import pytest
-import json
-from unittest.mock import patch
-from httpx import AsyncClient
-
-from uvicorn import Config, Server
-import threading
 import asyncio
+import json
+import threading
 from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+from httpx import AsyncClient
 from httpx_ws import aconnect_ws
+from uvicorn import Config, Server
 
 
 class ThreadedUvicorn:
@@ -60,7 +60,7 @@ async def dummy_llm():
     from reflector.llm.base import LLM
 
     class TestLLM(LLM):
-        async def _generate(self, prompt: str, **kwargs):
+        async def _generate(self, prompt: str, schema: dict | None, **kwargs):
             return json.dumps({"title": "LLM TITLE", "summary": "LLM SUMMARY"})
 
     with patch("reflector.llm.base.LLM.get_instance") as mock_llm: