The Tool Harness Meta Didnt Tell You About

Meta just dropped Muse Spark, their first major model release in a year. The benchmarks show it competitive with Claude Opus 4.6 and GPT 5.4. But thats not the interesting part. Whats interesting is what Simon Willison discovered when he started poking around the meta.ai interface. He asked a simple question: what tools do you have access to? The answer revealed 16 tools. And Meta didnt hide them. The Tool Stack Nobody Mentioned Heres what Meta quietly shipped: Browser tools. browser.search, bro