Agent Cards

A lightweight artifact for documenting agent roles, tools, memory, communication, monitoring, governance, versioning, and evaluation.

Agent Contracts

A companion concept for defining responsibilities, allowed actions, escalation rules, and operational constraints for AI agents.

Agent Ledgers

A governance concept for recording agent versions, decisions, tool use, evaluations, and operational evidence over time.

Agent Cards: A Documentation Standard for Operational AI Agents

The rapid adoption of LLM-based agents raises new challenges for transparency, reproducibility, and governance. Existing artifacts (Model Cards, Data Sheets) document models and data, but there is no standard for the operational characteristics of agents. We introduce Agent Cards, a lightweight artifact that captures roles, memory, tool integrations.

November 2025 · J. Carlos Urteaga-Reyesvera