pseolint MCP server
io.github.ouranos-labs/pseolint·v0.6.4·7 starsPenalty-risk audit for programmatic SEO sites: verdict, risk score, and a fix manifest.
7 stars58 downloads/wk
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If you have run it, two minutes of your experience saves the next person an afternoon.
pseolint tools (4)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
pseolint_audit_sitepseolint_check_page_technicalUse when a user asks to check a specific page URL for technical SEO issues. Checks per-page rules only: canonical tags, Open Graph tags, JSON-LD schema, robots directives, meta tags, thin content, and author signals. Does NOT check cross-page rules (duplicates, cannibalization, linking) — use pseolint_audit_site for those. Both human-readable text and structured data (structuredContent) are return
pseolint_explain_scoreUse when a user wants to understand WHY their pseolint verdict is concerning/critical, what categories are failing, and what to fix first. Returns a prioritized breakdown with quick wins listed before structural fixes, plus a pass/fail verdict against the risk threshold. Both human-readable text and structured data (structuredContent) are returned. A failing threshold is reported via `passed`, not
pseolint_orchestrate_auditUse when a user wants concrete, paste-able fixes (rewritten H1s, JSON-LD blocks, robots.txt patches, internal-link suggestions) — not just a list of issues.
Public scan report
scanner v0.1.10 · 2026-11-10 · same rubric, same numbers if you re-run it
- Code scan7 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitystatic API keys via environment variables6/15
- Maintenancelast push 9 days ago15/15
- Maintainer identityregistry namespace matches repository owner7/10
How pseolint compares
Against every graded SEO MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 82/100
- higher than 64% of 769 SEO servers
- Tools
- 4
- the typical SEO server has 7
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- GitHub stars
- 7
- more than 87% of 408 SEO servers
- Downloads a week
- 58
- more than 35% of 204 SEO servers with a package
What its tools let an agent do: 4 read
Install pseolint in Claude Code, Cursor or VS Code
Runs npx -y @pseolint/mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add pseolint -- npx -y @pseolint/mcp
What the publisher says
From the pseolint repository's README, as published. We do not edit it. Read it on GitHub
Methodology · Leaderboard · Report a bug · Skills for agents
The only tool purpose-built for programmatic SEO compliance. It shifts the unit of analysis from URL to template: point it at a 10,000-URL pSEO directory and pseolint identifies the template clusters (e.g. /listing/:slug, /category/:slug), samples K pages from each, and produces a per-template verdict + variance metric. Fix one template, fix N pages.
npx pseolint http://localhost:3000Table of contents
- Why this exists
- How pseolint differs
- Quick Start
- What It Checks: the 65 rules
- CLI Options
- GitHub Action
- Fix rail: from audit to pull request
- Skills for Claude & coding agents
- Roadmap
- Contributing
Skills for Claude & coding agents (new)
Design pages that pass before you crawl them. The skills/ suite gives Claude (and any agent that supports the skills / Claude Code plugin format) programmatic-SEO and answer-engine optimization (AEO / GEO) guidance where every recommendation is bound to a runnable pseolint rule:
npx skills add ouranos-labs/pseolint --skill pseolint aeo- pseolint: full-lifecycle programmatic SEO: design → build → audit → fix → gate.
- aeo: get cited in AI Overviews / ChatGPT / Perplexity, not just ranked.
Unlike prose checklists, these have teeth: the design-time advice ends in npx pseolint pass/fail. See skills/README.md.
Why this exists
Programmatic SEO works, when it works. The gap between "1,000 indexed pages" and "1,000 pages that survive a SpamBrain pass" is where most pSEO sites die. The Helpful Content Update made that gap permanent.
Existing SEO tools (Screaming Frog, Sitebulb, Ahrefs Site Audit) were built for editorially-curated sites. They check pages one at a time. But the SpamBrain risks of pSEO are between pages: doorway clusters, near-duplicates, entity-swap templates, thin-content propagation. You can't catch them with per-page rules.
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
pseolint: common questions
- Is pseolint MCP server safe?
- Mostly: it is graded B (82/100). Read the pseolint safety report
- How do I install pseolint?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does pseolint need an API key?
- Yes. The registry entry asks for
ANTHROPIC_API_KEY. - Is pseolint maintained?
- The last commit was 14 days ago (2026-11-01). The latest release is v0.6.4.
- What can I use instead of pseolint?
- Servers from other publishers that do the same job: Crawlie MCP server, Open SEO Crawler MCP server and Black SEO Analyzer MCP server. Compare all pseolint alternatives.
- How does pseolint compare with other SEO MCP servers?
- safety score 82/100 (higher than 64% of 769 SEO servers); tools 4 (the typical SEO server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to pseolint
Same job from other publishers: the closest match first, then the best rated.
- CrawlieTechnical SEO + GEO (AI-search) site audits: hosted crawls, prioritized fixes, report diffs.not reviewedGrowingA
Open SEO CrawlerSelf-hosted SEO crawler: run site audits and AI crawler checks, then read the issues and pages.not reviewedGrowingA- Black SEO AnalyzerAudit a page or crawl a whole site for technical SEO issues, locally. Compares crawls.not reviewedGrowingB
SEO Score APISEO, GEO and ADA/WCAG audits, AI citation tracking and site crawls for AI assistants.not reviewedGrowingB- GA4 SEO MCPSet up and audit site measurement: GA4, Search Console and PageSpeed. Read-only unless enabled.not reviewedGrowingB