context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
MCP — The Model Context Protocol — an open standard that lets any AI assistant plug into any tool or data source without custom integration code.
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
Why it matters
Factory's Deferred context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → Engine loads 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 → tool schemas, skills, and plugin instructions only when a task needs them instead of upfront, cutting measured input tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → by 15% on average and up to 50% in sessions with over 100 hidden tools.
