Our framework for developing safe and trustworthy agents

Source: Anthropic Date: 2025-08-04 URL: https://www.anthropic.com/news/our-framework-for-developing-safe-and-trustworthy-agents

Summary

Anthropic published an early framework for responsible agent development covering: balancing autonomy with human oversight, transparency in agent behavior, value alignment, privacy in extended interactions, and security against prompt injection. Claude Code cited as an example (read-only defaults, real-time task visibility). MCP referenced as the mechanism for connecting Claude to external services while maintaining data access controls.

Implications

• Agentic engineering thread. This framework predates the Managed Agents product launch — it’s the policy and design thinking document that informs what gets built. The principles (minimal footprint, read-only defaults, human-in-the-loop) become the architecture of Claude Code and subsequent agent products.
• Prompt injection as the core security concern. Flagging prompt injection as the primary attack vector for agents is technically accurate and shows Anthropic was thinking about agent security before the attack class became widely understood. MCP’s permission model is the technical response to this concern.
• Read-only defaults. Making Claude Code default to read-only is a conservative design choice that trades speed for safety — consistent with how Anthropic approaches capability vs. caution tradeoffs across products.
• Framework-first as a pattern. Anthropic consistently publishes frameworks before (or alongside) products — RSP before model scaling, harm framework alongside Claude 3.7, agent framework here. This is both genuine safety infrastructure and regulatory positioning.
• Watch: how the principles in this framework map to actual Claude Code behavior; whether the framework evolves as agents get more capable; regulatory uptake of the agent safety principles.