MCPVault

websocket_broadcast_test_event

MCP tool from Excalidraw MCP by lesleslie

Publish a synthetic event to a room (development use)

How to use it

websocket_broadcast_test_event is exposed by the Excalidraw MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the websocket_broadcast_test_event tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Excalidraw MCP

$uvx excalidraw-mcp
FULL EXCALIDRAW MCP LISTING

Other tools in Excalidraw MCP (15)

align_elements

Align elements (left, center, right, top, middle, bottom)

batch_create_elements

Create complex diagrams in one call

create_element

Create any type of Excalidraw element

delete_element

Remove elements

distribute_elements

Distribute elements evenly

get_resource

Access scene, library, theme, or elements data

group_elements

Group multiple elements

lock_elements

/ unlockelements - Lock/unlock elements

query_elements

Search elements with filters

ungroup_elements

Ungroup element groups

update_element

Modify existing elements

websocket_get_metrics

Throughput, rate-limit counters, and connection metrics

websocket_get_status

Active connections, rooms, and per-room subscriber counts

websocket_health_check

Liveness probe for the WebSocket server

websocket_list_rooms

Enumerate active diagram/cursor/presence/global rooms