lumen
io.github.nitishagar/lumen
About lumen
lumen is an MCP server published by the GitHub account nitishagar. Deterministic SEO audits as MCP tools: 36-rule site audit, keywords, rank, CWV reports.
It runs on your own machine: your AI client starts it from the npm package @lumen-seo/cli at version 0.3.0.
It asks for 3 secrets: LUMEN_PSI_KEY, LUMEN_CRUX_KEY and LUMEN_OPR_KEY. Give it a key with the least access that still works.
Version 0.3.0 was published on 1 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 1 warn, 0 fail, 1 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
LUMEN_PSI_KEY | No | Yes | Google PageSpeed Insights API key — enables the CWV lab leg of page reports. Optional; without it that leg reports not-configured. |
LUMEN_CRUX_KEY | No | Yes | Chrome UX Report API key — enables field CWV data. Optional; without it that leg reports not-configured. |
LUMEN_OPR_KEY | No | Yes | Open PageRank API key — enables the OPR authority signal. Optional; without it that signal reports not-configured. |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/nitishagar/lumen |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Warn | Asks for 3 secrets: LUMEN_PSI_KEY, LUMEN_CRUX_KEY, LUMEN_OPR_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via GitHub account nitishagar |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | @lumen-seo/cli@0.3.0 runs nothing at install |
| Code red flags | Pass | Read 76 files in @lumen-seo/cli@0.3.0: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 76 files, including comments and the README |
Popularity & health: 55 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 33 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.nitishagar/lumen |
|---|---|
| Publisher | GitHub account nitishagar |
| How the name is verified | Name verified via GitHub account nitishagar. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | npm @lumen-seo/cli 0.3.0 (stdio) |
| Version | 0.3.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/nitishagar/lumen |
| Website | None linked |
| Category | Analytics & monitoring (assigned by keyword rule, not by hand) |
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