XERJ

Local search index that gives agents fast access to your files.

  • AI tool
  • Free

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Pricing

Free and open source. License: Apache-2.0.

Overview

XERJ is an open-source local search tool that indexes a folder automatically so a coding agent fetches only the code it needs rather than opening files individually. One command connects it to Claude Code or Cursor through MCP and a skill, and its main use is reference coding, where the agent indexes similar open-source projects and studies their approach before writing its own. The token-saving figures from the project's own study and user reports were not checked here.

Key features

  • Automatic indexing of any folder
  • Ranked search with file and line results
  • Go-to-definition lookups
  • One-command setup for Claude Code or Cursor through MCP
  • Reference coding from similar open-source projects

Use cases

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Last updated 2026-10-18

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