What is pseolint?
pseolint is an MCP server that audits programmatic SEO sites by template rather than by URL. It detects graph-level issues such as doorway clusters, near-duplicates, and entity-swap patterns across thousands of pages, providing per-template verdicts and variance metrics. Designed for developers and SEO professionals, it integrates with Claude and coding agents via its skills suite.
How to use pseolint?
Run npx pseolint http://localhost:3000 to audit a site. Add skills for Claude with npx skills add ouranos-labs/pseolint --skill pseolint aeo. The MCP server provides rule knowledge as resources and supports parameters like authorityScore and --render for advanced checks.
Key features of pseolint
- Graph-level analysis detects issues invisible to per‑page tools.
- Per‑template verdict aggregation with uniformity score.
- 48+ rules across 8 categories including SpamBrain and AI Overview.
- Render‑aware crawl checks for CSR bailout and soft 404s.
- Bring‑your‑own authority score to adjust verdict tiers.
- MCP resources for rule knowledge and skills for coding agents.
Use cases of pseolint
- Audit a large programmatic SEO directory before publishing.
- Gate site quality in CI/CD pipelines using
--ci-threshold.
- Fix a broken template to fix hundreds of pages at once.
- Optimize pages to be cited in AI Overviews, ChatGPT, or Perplexity.
- Compare competitive SERP positions with the browser extension.
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