ResearchBenchmarksTool Selection on MetaTool 199 tools, 1,287 queries (30% test)Tool Selection on MetaTool 199 tools, 1,287 queries (30% test)Follow83R@1OATS-S16.66426.48246.366.118Mar 13, 2026Evaluation resultsMethodMethodLinksR@1R@3R@5NDCG@5OATS-S12026.038396.498.694OATS-S32026.038195.698.893.1SE2026.0371.690.495.886.9OATS-S22026.0371.690.995.486.9SE + Lexical2026.03648692.781.6BM252026.0339.761.775.359.5Random2026.039.630.849.229.8