MCP Atlas Leaderboard 2026: AI Models Ranked by Tool Orchestration
MCP Atlas: Muse Spark 1.2 remains highest at 90.3%; adds Step 5 Preview at 85.6% from StepFun's own evaluation, separate from Scale's Fable 5.1 snapshot. Updated October 16, 2026.
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· Abdeladim Fadheli