According to @AnthropicAI, Anthropic published a new Engineering blog post on September 11, 2025 that shares developer tips for writing effective tools for LLM agents and emphasizes that agents are only as powerful as the tools provided, source: @AnthropicAI. The announcement directs readers to the post at anthropic.com/engineering/writing-tools-for-agents for full guidance, source: @AnthropicAI. The source does not mention cryptocurrencies, tokens, or market data, and it provides no trading metrics or price-sensitive information, source: @AnthropicAI.