Tag
6 posts
Claude Sonnet 5 is Anthropic's next-generation Sonnet model, with stronger reasoning, tool use, coding, and long-horizon task execution. It narrows the gap with Opus 4.8 in agentic scenarios while covering more everyday development and knowledge-work tasks at a lower price.
Access to Claude Fable 5 and Mythos 5 is now restored.
When extending Claude, Skills and Agents are easy to confuse. Their fundamental difference is context: a Skill loads instructions into your current conversation, while an Agent works independently in an isolated context and returns only the result.
Connecting Claude to MCP does not mean it already understands your project. It must call tools first to obtain context. This article explains six prompting techniques for working efficiently with MCP-enabled Claude: establish context, name tools, narrow scope, chain tool calls, use templates, and describe goals.
The US government issued an export control directive citing national security, requiring Anthropic to disable Fable 5 and Mythos 5 for all users. Other models are not affected. Below is the official statement.
This was not a traditional server breach. It was a public stress test around the safety guardrails of a frontier model.
