paperAugust 2026Unreviewed

ECHO: A Locally-Deployable Agentic Health Assistant with Temporal Memory, Safety Guardrails, and Speech Assessment

Abdulkadir Külçe, A. Esen, Cağla Fikir, Berker Kurt, Kuzey Arar, Gökhan Ercan, F. B. Tek

Abstract

This paper presents ECHO (Enhanced Care&Health Observer), a locally-deployable conversational health assistant for long-term chronic care management. ECHO integrates three complementary software modules developed under shared supervision as a unified system. The core module is an agentic chatbot built on a ReAct loop orchestrated via LangGraph, equipped with 17 clinical tools and a temporal knowledge graph for persistent cross-session memory; it achieves a 94.9% tool-execution pass rate across a

Cite

@misc{kulce2026echo,
  title = {{ECHO: A Locally-Deployable Agentic Health Assistant with Temporal Memory, Safety Guardrails, and Speech Assessment}},
  author = {Abdulkadir Külçe and A. Esen and Cağla Fikir and Berker Kurt and Kuzey Arar and Gökhan Ercan and F. B. Tek},
  year = {2026},
  month = aug,
  eprint = {2608.06110},
  archivePrefix = {arXiv},
  url = {https://www.semanticscholar.org/paper/d2edc092c9b3cb3ad5ef8c7157b31532c10aa263}
}