MindTailor: Personalized Emotional Support via Post History-Grounded Case Formulation and Collaborative Refinement

• URL: http://arxiv.org/abs/2606.21930v1
• Date: Sat, 20 Jun 2026 07:52:55 GMT
• Title: MindTailor: Personalized Emotional Support via Post History-Grounded Case Formulation and Collaborative Refinement
• Abstract summary: MindTailor is a framework that generates personalized emotional support responses.<n>ReddiSupp is a dataset of 798 Reddit posts paired with seekers' prior post histories.
• Score: 44.7545875422459
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As mental health concerns continue to rise globally, social media has emerged as a vital space where individuals seek emotional support. While prior work on personalized emotional support has leveraged seekers' emotional states, personas, and situational context, these approaches primarily capture the seeker's current state, overlooking the formative experiences that shape present concerns. In this work, we propose MindTailor, a framework that generates personalized emotional support responses by constructing a case formulation from the seeker's post history and iteratively refining responses through collaborative critique among counselor agents grounded in distinct counseling strategies. To enable research on this history-aware task, we construct ReddiSupp, a dataset of 798 Reddit posts paired with seekers' prior post histories. Through LLM-as-a-Judge evaluation, expert human evaluation, and a user study with seekers, we demonstrate that MindTailor outperforms baselines across these evaluations, improving empathy, personalization, understanding, and achieving the highest overall preference.

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