AI Agents
mcp-use
The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
★ 10.7k starsMIT
View guide →// agents · xerj-org/xerj
xerj
xerj is an open-source agents project by xerj-org (xerj-org/xerj on GitHub). It has 2,628 GitHub stars and 231 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 4 October 2026.
AI-native search that indexes code, docs, and PDFs with 40x fewer tokens than grep.
💎 Hidden gem★ 2.6k stars⑂ 231 forksApache-2.0updated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
so here's a placeholder. The guide below is complete regardless.
// project facts
Project facts
- Repository
- xerj-org/xerj
- GitHub stars
- 2,628
- Forks
- 231
- License
- Apache-2.0
- Last updated on GitHub
- 4 October 2026
- Category
- Agents
- Listing
- Hidden gem — a shorter page for a lesser-known project
- Official site
- Official site
// how it works
How it works
- Install XERJ
Get the Rust binary.
- Index your data
One command covers code, docs, logs, and PDFs.
- Query from agents
Agents search instead of grepping.
- Use existing clients
Elasticsearch-compatible APIs just work.
// features
Why people love it
Auto-indexing
One command indexes everything.
40x fewer tokens
Far cheaper than grep-and-read loops.
Multi-format
Code, docs, logs, and PDFs.
Elasticsearch compatible
Existing clients keep working.
Agent memory
Feeds long-term agent recall.
Security audits
Search codebases for issues fast.
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// run it
Run it yourself
- Step 1 — Clone the repo
Download the source and move into the project folder.
git clone https://github.com/xerj-org/xerj.git cd xerj - Step 2 — Check the README
Every project documents its own setup; start with install requirements.
cat README.md | head -60 - Step 3 — Run it
Follow the project’s launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch command
// use cases
What you can build
- Index a codebase for agent search.
- Cut token costs on RAG pipelines.
- Audit code for security patterns.
- Give agents instant project knowledge.
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// faq
Questions, answered
Who maintains XERJ?
It is an open-source project at xerj-org/xerj with 231 forks.
Is XERJ free for commercial use?
Yes. Apache-2.0 licensed.
How is it different from Elasticsearch?
Lighter and agent-focused, with token-efficient indexing.
What is the 40x claim based on?
The project’s comparison against grep-based agent search; benchmark it yourself.
Do I need to change my clients?
No. Elasticsearch-compatible APIs keep working.
// keep exploring
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View guide →// alternatives
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The most-starred other Agents projects in the LibreAI catalogue — the realistic shortlist if xerj is not the right fit.
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// more in agents
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Get xerj
Free and open — grab the source, star the repo, and start creating.