XERJ

Elasticsearch-compatible search engine that indexes files for AI agents.

PlatformWebfree

XERJ is an open-source, Elasticsearch-compatible search engine built for AI coding agents. One command indexes a project's code, docs, logs, and PDFs so an agent can query for the exact passage it needs instead of reading whole files into its context window, reducing token usage. It ships as a single binary with a built-in MCP server, so it works directly with agents like Claude Code.

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Behind the summary, Matchbox keeps a richer profile of XERJ - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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