Tools
The browser talks to /mcp over Streamable HTTP, the same JSON-RPC protocol MCP Inspector and Antigravity use. Pick an item on the left.
Every change to the notes board, from the browser or from MCP clients, streamed live over Server-Sent Events.
Antigravity IDE
Add this entry to ~/.gemini/config/mcp_config.json, then reload MCP servers.
Then try asking the agent: "Add a note to review the release checklist, tagged work", and watch it appear on the Notes board.
MCP Inspector
- Run
npx @modelcontextprotocol/inspector - Transport type: Streamable HTTP
- URL:
- Click Connect, open Tools, and run
add_note