diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14e2eab2..72d17275 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,18 @@ All notable changes to the Nextcloud MCP Server will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [PEP 440](https://peps.python.org/pep-0440/).
 
+## v0.83.4 (2026-05-10)
+
+### Fix
+
+- **qdrant**: use get_collection for startup probe (multi-tenant safe, take 2)
+
+## v0.83.3 (2026-05-10)
+
+### Fix
+
+- **qdrant**: use collection_exists for startup probe (multi-tenant safe)
+
 ## v0.83.2 (2026-05-09)
 
 ### Fix
diff --git a/nextcloud_mcp_server/vector/qdrant_client.py b/nextcloud_mcp_server/vector/qdrant_client.py
index b205cf46..2c82bafb 100644
--- a/nextcloud_mcp_server/vector/qdrant_client.py
+++ b/nextcloud_mcp_server/vector/qdrant_client.py
@@ -559,17 +559,33 @@ async def get_qdrant_client() -> AsyncQdrantClient:
 
             expected_dimension = embedding_service.get_dimension()
 
-            # Explicitly check if collection exists
-            logger.debug(f"Checking if collection '{collection_name}' exists...")
-            collections = await provisional.get_collections()
-            collection_names = [c.name for c in collections.collections]
+            # Existence check folded into the get_collection() call.
+            #
+            # In managed multi-tenant Qdrant Cloud setups, per-tenant JWTs are
+            # scoped to a single collection (`access: [{"collection": "...",
+            # "access": "rw"}]`) and Qdrant denies the cluster-level meta
+            # endpoints `GET /collections` (used by `get_collections()`) and
+            # `GET /collections/{name}/exists` (used by `collection_exists()`)
+            # with 403 Forbidden — by design, since listing or probing
+            # collections cluster-wide is a tenant-isolation boundary.
+            # `GET /collections/{name}` (the underlying call for
+            # `get_collection()`) is the only existence-probe permitted on a
+            # collection-scoped JWT — it returns 200 with the collection
+            # detail on hit and 404 on miss.
+            logger.debug(f"Fetching collection '{collection_name}' details...")
+            collection_info = None
+            try:
+                collection_info = await provisional.get_collection(collection_name)
+            except UnexpectedResponse as exc:
+                if exc.status_code != 404:
+                    raise
+                logger.debug(f"Collection '{collection_name}' not found (404).")
 
-            if collection_name in collection_names:
+            if collection_info is not None:
                 # Collection exists - validate dimensions
                 logger.debug(
                     f"Collection '{collection_name}' found, validating dimensions..."
                 )
-                collection_info = await provisional.get_collection(collection_name)
                 # Handle both named vectors (dict) and legacy single vector
                 vectors = collection_info.config.params.vectors
                 if isinstance(vectors, dict):
diff --git a/pyproject.toml b/pyproject.toml
index 5a8101de..f813b5ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "nextcloud-mcp-server"
-version = "0.83.2"
+version = "0.83.4"
 description = "Model Context Protocol (MCP) server for Nextcloud integration - enables AI assistants to interact with Nextcloud data"
 authors = [
     {name = "Chris Coutinho", email = "chris@coutinho.io"}
diff --git a/uv.lock b/uv.lock
index 9082741f..abcf9bd9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2123,7 +2123,7 @@ wheels = [
 
 [[package]]
 name = "nextcloud-mcp-server"
-version = "0.83.2"
+version = "0.83.4"
 source = { editable = "." }
 dependencies = [
     { name = "aiosqlite" },