Lumen plugin for Codex
Save 30% token costs when using Claude Code, Codex, OpenCode for free - with open source, local semantic search. Works for small and large codebases and monorepos! Enterprise-ready and fully compliant via Ollama and SQLite-vec.
How to install Lumen in Codex
1. Add the repo as a Codex plugin marketplace:
codex plugin marketplace add ory/lumen2. Install the plugin from it:
codex plugin add lumen@lumen-localThis repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs the plugin 'lumen'. 'lumen-local' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.
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What it contains
Plugins in this marketplace (1)
lumen— Precise local semantic code search for Codex, powered by local embedding models.
About this listing
Lumen is a community plugin on GitHub by ory. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 100 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review). From its files we found 1 plugin. It's one of 441 listings in the Developer Tools category.
Lumen FAQ
How do I install Lumen in Codex?
Add the repo as a Codex plugin marketplace with codex plugin marketplace add ory/lumen, then install it with codex plugin add lumen@lumen-local. Commands: the command format from the Codex CLI reference; check the repo README too.
Is Lumen an official Codex plugin?
No. Lumen is a community repo on GitHub by ory. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review), so read the code before you install it.
What does Lumen include?
From its manifest and repo files, Lumen includes 1 plugin: lumen.
Details
- Type
- Plugin
- Category
- Developer Tools
- Source
- Community
- Author
- ory
- GitHub stars
- 313 (at last sync)
- Last push
- 2026-10-11
- Manifest
.agents/plugins/marketplace.json- GitHub topics
- agentic-coding, claude, claude-ai, claude-code, claude-pl, context, gemini, golang, gpt-5, mcp, mcp-server, plugin
- Source
- https://github.com/ory/lumen
- Website
- https://www.ory.com/blog/ory-lumen-semantic-search-claude-code
- Listed via
- GitHub search: README documents a Codex install
- Install check by CodexStacks
- Passed on Oct 25, 2026 with Codex CLI 0.163.0: Codex started its MCP server and listed its tools. proof · how we check
Something wrong or missing? Submit or improve this listing. Listings also refresh automatically every night.
For maintainers: badge and embeds
Maintain Lumen? Add the badge; it links to this page.
Markdown
[](https://codexstacks.com/p/lumen/)HTML
<a href="https://codexstacks.com/p/lumen/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/lumen/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">Lumen</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 1 plugin</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Save 30% token costs when using Claude Code, Codex, OpenCode for free - with open source, local semantic search. Works…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[Lumen on CodexStacks](https://codexstacks.com/p/lumen/)**: Community Codex plugin with 1 plugin.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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