🦤 Toucan 1.5M: Toucan 1.5M is the largest fully synthetic tool agent dataset to date, designed to advance tool use in agentic LLMs. It comprises over 1.5 million trajectories synthesized from 495 real world Model Context Protocols (MCPs) spanning 2,000+ tools. By leveraging authentic MCP environments, Toucan 1.5M generates diverse, realistic, and challenging tasks requires using multiple tools, with trajectories involving real tool executions across multi round, multi turn, sequential, and parallel tool calls. Models fine tuned on Toucan 1.5M outperform much larger closed source counterparts on the BFCL V3 benchmark and extend the Pareto frontier on the MCP Universe benchmark. 📄 Technical Report Discover the methodology and technical details behind Toucan 1.5M 💾 Github Repo Access the complete pipeline used to produce Toucan 1.5M 🤗 HF Dataset Full dataset (You are here!) 🤖 Model Checkpoints Qwen2.5 7B Qwen2.5 14B Qwen2.5 32B 📄 Dataset Schema An instance of Toucan 1.5M contains the following columns: uuid: Unique data instance identifier. subset: Annotation specifying which pipeline was used to generate the trajectory. Options: 1. single turn original: only the core synthetic…
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