What they have in common
Both Augment Code and Context Engine solve the same underlying problem: coding agents cannot read your whole repository, and brute-force search wastes tokens and context. Both build a semantic index of your codebase and expose it to agents over the Model Context Protocol (MCP), so the agent can ask for context instead of grepping.
If you have used Augment’s Context Engine MCP and liked the idea, Context Engine will feel familiar — the difference is in the details below.