Phoebe Raises $17 Million to Build the First “Immune System” for Software

Phoebe, the immune system for software, led by Matt Henderson and James Summerfield, has raised $17 million in seed funding led by GV and Cherry Ventures and launched their platform, which is already live with engineering teams from early access customers such as Trainline and PPRO. Phoebe’s AI agents continuously monitor and react to live system data, diagnosing emerging issues and generating code and infrastructure changes to resolve them.

Downtime costs are soaring as AI-generated code makes systems harder to debug. In 2024, software outages caused over $400 billion in losses, with developers spending 30% of their time fixing bugs.

Phoebe’s breakthrough lies in AI agent swarms that scan siloed data to explore and evaluate multiple causes and solutions for any given problem.

Phoebe doesn’t just resolve issues, it prevents them. By spotting early signals and generating preemptive fixes, its AI agents act like an 'immune system for software,' aiming to stop most problems before they impact users.