ory

ory / lumen

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Cut Claude Code costs and latency with precise, local semantic search across your entire codebase. Best for teams working on large code bases. Enterprise-ready and compliant. No subscription or payment or sign up needed.

agentic-coding claude claude-ai claude-code claude-pl
10
0
100% credibility
Found Mar 04, 2026 at 10 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
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AI Summary

Ory Lumen is a fully local semantic code search tool that enables AI coding agents to efficiently retrieve relevant code chunks from projects using open embedding models and SQLite.

How It Works

1
🔍 Discover a smarter coding helper

You hear about a tool that lets AI instantly find the right parts of your code, making help faster and cheaper without sending code online.

2
📦 Add it to your AI coding app

In your AI coding tool like Claude Code, you add the helper from the plugin store with one simple command.

3
⚙️ Open your project

When you start working on your code project, it quietly builds a smart map of your files in the background using your local computer.

4
💡 Ask about your code

Your AI now uses the smart map to pinpoint exactly the functions or types you need, without reading every file.

5
🚀 Get instant precise answers

You see quicker, more accurate responses with code snippets right where they matter, saving time and effort.

6
🔧 Check or refresh anytime

Use simple commands to see the map's status or refresh it if your project changes.

🎉 Code faster and smarter

Your AI helper understands your entire project deeply, helping you build faster with less hassle.

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Star Growth

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AI-Generated Review

What is lumen?

Lumen indexes your codebase into semantic chunks—functions, types, modules—using local embeddings from Ollama or LM Studio, stored in SQLite. It plugs into Claude Code as a zero-config MCP tool, giving AI agents like Claude a `semantic_search` command to fetch relevant code snippets by meaning, not keywords. Developers get 2.1-2.3x faster task completion and 63-81% claude cut on API costs, especially claude cut off full file reads in large repos.

Why is it gaining traction?

Unlike cloud RAG services, lumen runs 100% local with no API keys or subscriptions, auto-indexing only changed files for near-instant updates on massive codebases. Benchmarks beat baselines 5/5 in blind quality tests across Go, Python, TS, with Ollama's jina-embeddings-v2-base-code as default. Easy Claude Code plugin install via marketplace makes it a drop-in claude cut for cost-conscious teams.

Who should use this?

Backend and fullstack devs on Go/Python/TS monorepos using Claude Code for refactoring or debugging. Teams hitting claude cut off limits on token-heavy projects, or anyone evaluating github lumen alternatives to vendor lock-in RAG.

Verdict

Promising for claude cut savings with reproducible benchmarks and 14-language support, but 10 stars and 1.0% credibility signal early maturity—docs shine, tests cover E2E. Grab the binary or plugin if Claude bills sting; skip for production without more adoption.

(187 words)

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