Show HN: The Last SaaS – An open source headless SaaS for agents and assistants

Category: devtools

Tags: headless, saas, backend, typescript, mcp, api, cli

Score: 6.0/10 (Innovation: 5, Technical: 6, Documentation: 7, Utility: 6)

The Last SaaS is an open-source TypeScript backend that provides core SaaS primitives—records, files, permissions, notifications, audit logs, queues, and automation—exposed via HTTP API, MCP, and CLI. It aims to let developers and AI agents build custom applications by combining these building blocks, with a focus on headless operation and agent accessibility.

Target audience: backend developers, full-stack developers, AI engineers

Repository: https://thelastsaas.com/ · TypeScript · MIT · 8 stars

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