CoreDash Data API (JSON-RPC / MCP)
Per-project JSON-RPC 2.0 API at POST /api/mcp that follows the Model Context Protocol (tools/call) and returns real-user Core Web Vitals data through the get_metrics, get_timeseries and get_histogram tools; the same endpoint is the hosted MCP server for AI agents. Bearer API key (cdk_...) created under AI Insights > Connect Your AI; the MCP endpoint also advertises OAuth protected-resource metadata with scope mcp:read.