Miden MCP server (Sandbox). MCP endpoint (Streamable HTTP, POST): https://sandbox-mcp.miden.co/mcp Protected resource metadata: https://sandbox-mcp.miden.co/.well-known/oauth-protected-resource Authorization server metadata: https://sandbox-mcp.miden.co/.well-known/oauth-authorization-server Connect from Claude Code: claude mcp add --transport http miden https://sandbox-mcp.miden.co/mcp Connect from claude.ai: Settings > Connectors > Add custom connector > https://sandbox-mcp.miden.co/mcp Docs: https://docs.miden.co