New element components:
- ListToggle: expand/collapse button using react-icons (RiExpandVerticalLine/RiCollapseVerticalLine)
- LogLevelBadge: extracted from LogEntry, handles all 8 log levels with filled variant and dark/light text contrast
New group components:
- ViewHeader: shared header bar for ConnectedView and UnconnectedView with discriminated union on `connected` prop; MCP logo links to modelcontextprotocol.io
- ServerListControls: combines ListToggle and AddServerMenu, hides toggle when no servers
- LogStreamPanel: extracted from LoggingScreen with scroll containment, filtering by visible levels and search text
- HistoryControls: vertical sidebar with search, method filter, export, and clear
- HistoryListPanel: extracted from HistoryScreen with ListToggle compact mode, filtering by method and search text
Badge contrast improvements:
- AnnotationBadge: filled variant for both dark/light modes; black text in dark, white text in light
- LogLevelBadge: same contrast approach; bold weight for alert/emergency levels
- Badge theme default weight reduced from 700 to 600
Typography:
- Added Fredoka (300-700) as body and heading font
- Added Roboto Mono as monospace font
- Google Fonts loaded in index.html and Storybook previewHead
- Heading weight set to 600
Screen layout refactors:
- LoggingScreen: owns filterText and visibleLevels state; passes to LogControls and LogStreamPanel; removed controls prop in favor of flat props
- HistoryScreen: owns searchText and methodFilter state; passes to HistoryControls and HistoryListPanel for filtering
- Both screens use new ScreenLayout (Flex variant="screen") and Sidebar subcomponents
- Added Flex theme with "screen" variant (overflow: hidden)
- Added Paper theme "panel" variant (flex column, overflow hidden)
Component enhancements:
- ServerCard: added compact prop showing only header row
- HistoryEntry: renamed isExpanded to isListExpanded; internal useState syncs via useEffect; individual entries toggle independently
- LogControls: Select All / Deselect All toggle for level checkboxes; nowrap on level selector group
- ConnectionToggle: LoadingOverlay with rounded corners for connecting state
- ConnectedView: ThemeToggle ActionIcon matched to DisconnectButton height (36px) and border color (outline variant)
- Storybook preview: fullscreen layout wrapper with 100vh overflow hidden
New stories:
- UnconnectedView: Connecting and ManyServers (12 servers for scroll testing)
- ServerCard: CompactConnected and CompactDisconnected
- All new components have corresponding stories
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add UnstyledButton listItem theme variant to replace inline style for border-radius
- Extract subcomponent constants with .withProps() across all molecules
- Replace raw <span /> with Mantine <Flex /> in ResourcePreviewPanel
- Extract inline template literals and expressions to named functions
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add MCP logo (light/dark variants) to ConnectedLayout header
- Replace Tabs with SegmentedControl in header, split into 1/3 sections
- Wrap all screens in Container for consistent margins
- Use Card instead of Paper for panel backgrounds across all screens
- Add SubscribeButton atom, CopyButton for resource URI
- Move annotations from ResourceListItem to ResourcePreviewPanel
- Improve AnnotationBadge colors for dark mode visibility
- Add Tools, Resources, and Prompts headers to list panels
- Add ConnectedLayout stories for Tools, Resources, and Prompts tabs
- Remove unused onCopy prop and copy button from PromptMessagesDisplay
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Fix ContentViewer background invisible against card in dark mode
- Fix Remove button not red in dark mode by using color="red.6"
- Add distinct card background for light mode (gray-0) vs app background
- Use CSS custom properties for card background across color schemes
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- InlineError: show more/less toggle on same line as message, collapsible
details, doc link as button
- ServerCard: use ContentViewer with CopyButton for command, remove
onCopyCommand prop, combine action rows, add responsive Card variant
- HistoryEntry: use ContentViewer with CopyButton for JSON blocks, swap
duration and status badge positions
- LoggingScreen: stretch log stream panel to full height, center empty
message vertically
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add @storybook/addon-actions for action logging in stories
- Add onTestCapability callback to ExperimentalFeaturesPanel
- Use CopyButton overlay in ResourcePreviewPanel and ResultPanel
- Replace includeContext checkbox with badge in SamplingRequestPanel
- Add LongServerName story for ServerCard
- Fix long tool name overflow with truncation and contained Paper variant
- Add optional title prop to ToolListItem and ToolDetailPanel
- Move tool annotations from list to detail panel form
- Vertically center static text in ResourceTemplateInput
- Fix InlineError blank space when no details
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Only render InlineError details Stack when there is content to show.
Add wrapping Code theme variant for long URLs that would push buttons
offscreen.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
