Function mcp_tool_name 

fn mcp_tool_name(contract_id: &str) -> &str

MCP tool name = leaf of contract_id (e.g. robonix/service/memory/search → search). Servers expose tools by short name; the provider+contract grouping is Robonix-side bookkeeping. TODO: leaf-as-tool-name may collide across providers — wheatfox