Google Cuts Off OpenClaw Access to Antigravity, Signaling End of Open Agent Era
The Development
On February 23, Google restricted Antigravity platform access for users running the open-source AI agent OpenClaw, alleging 'malicious usage' that degraded service quality for other customers. Affected users reported losing access to associated Google accounts entirely. According to Google DeepMind engineer Varun Mohan, users were exploiting OpenClaw to access Gemini tokens at scale through third-party routing, overwhelming Antigravity's backend. The crackdown arrived exactly one week after OpenAI announced on February 15 that OpenClaw creator Peter Steinberger had joined the company to lead its personal agents initiative. OpenClaw subsequently announced it would remove Google support entirely. Separately, Anthropic has introduced client fingerprinting to block third-party wrappers including OpenClaw from accessing Claude models. Google clarified the ban is limited to Antigravity access, not broader Google services, and said a reinstatement path is being developed.
Our Take
The infrastructure justification is real but incomplete. Google severed an OpenAI-adjacent tool from its most advanced models the moment that tool gained OpenAI backing—that sequence is not coincidental. What's actually happening is a structural realignment: frontier model providers are closing the arbitrage window where developers could access subsidized consumer-tier compute at enterprise scale through open wrappers. Both Google and Anthropic are moving simultaneously toward vertically integrated agent stacks where they own the interface, the telemetry, and the billing relationship. The casualty isn't just OpenClaw—it's the assumption that open-source agent frameworks can reliably plug into proprietary frontier models long-term. Enterprises that built internal workflows on that assumption now have a fragility problem, and the window to address it before more lockouts arrive is closing fast.
The Exploit
Action Item
If your team uses any third-party agent wrapper—OpenClaw or otherwise—to access Google, Anthropic, or OpenAI models, audit those integrations against each provider's current ToS this week and replace OAuth-based workarounds with direct API contracts before the next enforcement wave hits.