Portal by Spotify cut my Claude Code token usage by 90%

Spotify's Portal, specifically its AiKA Modes, significantly reduced Claude Code token usage by 90%. These modes are declarative agents running on ephemeral runtimes, similar to AWS Lambda, designed for I/O-heavy AI coding tasks. Users define instructions, select models, set parameters, and attach MCP tools, while Portal manages infrastructure, API keys, and servers. Modes are callable via CLI or API, can be public or private, and are reusable and shareable across teams and projects.