This paper, "CausalPFN: Amortized Causal Effect Estimation via In-Context Learning," introduces a transformer-based model designed to automate the traditionally difficult process of calculating causal effects from observational data. This CausalPFN model is trained extensively on simulated data to learn the mapping from raw observations into causal effects, eliminating the need for manual selection of specialized statistical estimators. The system combines principles from Bayesian inference with large-scale network training to offer superior average performance on established benchmarks. Ultimately, this research aims to provide a ready-to-use solution for reliable, automated causal inference, complete with calibrated uncertainty estimates for informed decision-making.