diff --git a/CLAUDE.md b/CLAUDE.md
index da0da7c..751834d 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -38,13 +38,21 @@ mcp run --transport sse nextcloud_mcp_server.app:mcp
 # Docker development environment with Nextcloud instance
 docker-compose up
 
-# After code changes, rebuild and restart only the MCP server container
+# After code changes, rebuild and restart the appropriate MCP server container:
+# For basic auth changes (most common) - uses admin credentials
 docker-compose up --build -d mcp
 
+# For OAuth changes - uses OAuth authentication flow
+docker-compose up --build -d mcp-oauth
+
 # Build Docker image
 docker build -t nextcloud-mcp-server .
 ```
 
+**Important: Two MCP Server Containers**
+- **`mcp`** (port 8000): Uses basic auth with admin credentials. Use this for most development and testing.
+- **`mcp-oauth`** (port 8001): Uses OAuth authentication. Only use this when working on OAuth-specific features or tests.
+
 ### Environment Setup
 ```bash
 # Install dependencies
@@ -96,18 +104,23 @@ Each Nextcloud app has a corresponding server module that:
 
 ### Testing Structure
 
-- **Integration tests** in `tests/integration/` - Test real Nextcloud API interactions
+- **Integration tests** in `tests/integration/` and `tests/client/`, `tests/server/` - Test real Nextcloud API interactions
 - **Fixtures** in `tests/conftest.py` - Shared test setup and utilities
 - Tests are marked with `@pytest.mark.integration` for selective running
-- **Important**: Integration tests run against live Docker containers. After making code changes to the MCP server, rebuild only the MCP container with `docker-compose up --build -d mcp` before running tests
+- **Important**: Integration tests run against live Docker containers. After making code changes:
+  - For basic auth tests: rebuild with `docker-compose up --build -d mcp`
+  - For OAuth tests: rebuild with `docker-compose up --build -d mcp-oauth`
 
 #### Testing Best Practices
 - **MANDATORY: Always run tests after implementing features or fixing bugs**
   - Run tests to completion before considering any task complete
   - If tests require modifications to pass, ask for permission before proceeding
-  - Use `docker-compose up --build -d mcp` to rebuild MCP container after code changes
+  - **Rebuild the correct container** after code changes:
+    - For basic auth tests (most common): `docker-compose up --build -d mcp`
+    - For OAuth tests: `docker-compose up --build -d mcp-oauth`
 - **Use existing fixtures** from `tests/conftest.py` to avoid duplicate setup work:
-  - `nc_mcp_client` - MCP client session for tool/resource testing
+  - `nc_mcp_client` - MCP client session for tool/resource testing (uses `mcp` container)
+  - `nc_mcp_oauth_client` - MCP client session for OAuth testing (uses `mcp-oauth` container)
   - `nc_client` - Direct NextcloudClient for setup/cleanup operations
   - `temporary_note` - Creates and cleans up test notes automatically
   - `temporary_addressbook` - Creates and cleans up test address books
@@ -115,6 +128,7 @@ Each Nextcloud app has a corresponding server module that:
 - **Test specific functionality** after changes:
   - For Notes changes: `uv run pytest tests/integration/test_mcp.py -k "notes" -v`
   - For specific API changes: `uv run pytest tests/integration/test_notes_api.py -v`
+  - For OAuth changes: `uv run pytest tests/server/test_oauth*.py -v` (remember to rebuild `mcp-oauth` container)
 - **Avoid creating standalone test scripts** - use pytest with proper fixtures instead
 
 #### OAuth/OIDC Testing
@@ -160,8 +174,11 @@ OAuth integration tests support both **automated** (Playwright) and **interactiv
   ```
 
 **Test Environment Setup:**
+- **Two MCP server containers are available:**
+  - `mcp` (port 8000): Uses basic auth with admin credentials - for most testing
+  - `mcp-oauth` (port 8001): Uses OAuth authentication - for OAuth-specific testing
 - Start OAuth MCP server: `docker-compose up --build -d mcp-oauth`
-- OAuth server runs on port 8001 (regular MCP on 8000)
+- **Important**: When working on OAuth functionality, always rebuild `mcp-oauth` container, not `mcp`
 - Shared OAuth client is registered once and reused across test runs
 - Client credentials cached in `.nextcloud_oauth_shared_test_client.json`