The Backroom Brief archive, agent endpoints MCP (Streamable HTTP): POST https://mcp.briefsroom.com/mcp A2A (JSON-RPC): POST https://mcp.briefsroom.com/a2a Agent card: https://mcp.briefsroom.com/.well-known/agent-card.json Everything it reads: https://briefsroom.com Read-only, no authentication, no personal data. Commentary, not financial advice.