Claude Code now defaults to Fable 5.2 (1M context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition →, $8/$40 per Mtok). It also patches MCPThe Model Context Protocol — an open standard that lets any AI assistant plug into any tool or data source without custom integration code.Full definition → OAuth secrets leaking on redirects and Bash commands escaping the sandboxAn isolated environment where AI-generated code or agent actions run without being able to touch anything real.Full definition → without a prompt, so update if you use those.
Terms in this piece · Glossary
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.
MCP — The Model Context Protocol — an open standard that lets any AI assistant plug into any tool or data source without custom integration code.
