<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>SmartXChain — Signal from the frontier</title><description>A specialist publication for Web3, AI, and deep tech. Signal from the frontier.</description><link>https://smartxchain.com/</link><language>en-us</language><item><title>Anthropic&apos;s Opus 4.7 makes a quiet claim on the agent economy</title><link>https://smartxchain.com/posts/2026-05-23-opus-4-7-agent-economy/</link><guid isPermaLink="true">https://smartxchain.com/posts/2026-05-23-opus-4-7-agent-economy/</guid><description>Long-context isn&apos;t the headline. Persistent identity across sessions is — and it&apos;s the first real economic primitive shipped inside a frontier model.</description><pubDate>Sat, 23 May 2026 06:14:00 GMT</pubDate><category>ai-lab</category><category>anthropic</category><category>agents</category><category>long-context</category><category>model-release</category></item></channel></rss>