The Best Fantasy Data Tools for AI Agents in 2026: What FantasyBench Found

Firecrawl’s FantasyBench, published in October 2026, evaluates AI-agent fantasy football tools using 272 questions covering historical NFL statistics and Week 6 projections, finding that Firecrawl Alexandria achieved the highest overall success rate at 80.5%, ahead of native web search at 71.7% and Flaim, now STACKED MCP, at 71.3%. Alexandria’s advantage was strongest for live projections, where its structured access to multiple projection providers produced a 77.9% success rate and 98.8% accuracy for reported values, compared with web search’s 60.7% projection success rate and 85.0% value accuracy; all tested tools performed more similarly on past-game statistics. Native web search is presented as useful for casual, easily verified questions but less reliable for decisions dependent on precise projections, while Flaim is positioned primarily for league-specific context such as rosters, matchups, trades, and waivers rather than superior raw projection accuracy. FantasyPros Coach AI and SportsDataIO were included as notable alternatives but were not benchmarked because the former is a consumer chat product and the latter requires developers to build their own integrations. The article recommends testing tools against an individual league’s needs, noting that the benchmark’s methodology, grader, answer keys, and a public sample are open source.

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