Cursor Instant Grep: Searching Millions of Files in Milliseconds
Source: https://x.com (tweet) Author: Cursor team Date: 2025-2026
Summary
Cursor announces “Instant Grep” — a new capability allowing agents to search millions of files and return results in milliseconds. They share the algorithm and implementation.
Key Claims
- Millions of files searchable in milliseconds
- Dramatically speeds up agent task completion
- Cursor has published the algorithm — not just a product announcement but a technical share
- Indexing as a core differentiator for coding agents (consistent with Inside Cursor thesis)
Concepts
- Coding Agents — search speed directly enables more effective agents