root of the graph. Issuers as nodes; insiders, holders, auditors, transfer agents, parents and subsidiaries, dual listings and newswires as edges. Twelve sovereign market nodes, one global door. Public-record only.
Live nodes: ca-cm-kg, uk-cm-kg. The global door answers at https://mcp.capitalmarketsknowledgegraph.ai/mcp (Streamable HTTP MCP, no auth) and routes by identifier to the node that holds the name.