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Primary Source

Type: PRO | Version: 2.3.16 | WP: WordPress 5.8+ | PHP: PHP 7.4+ Slug: primary-source

The ultimate ecosystem to position your site as the primary source of truth for Large Language Models (LLMs) and AI agents. It turns unstructured content into machine-readable signals: ChatGPT, Claude, Gemini and Perplexity don't just index you — they cite you.

The 4 pillars

  • AI Discovery & Interoperability: standardized discovery files (llms.txt, ai.txt, ai-plugin.json, OpenAPI 3.1.0, ai-sitemap.xml)
  • Semantic Authority: entity ontology (8 CPTs) and deep Schema.org metadata injection
  • RAG Performance: semantic chunking (~1000 characters) with contextual metadata for Retrieval-Augmented Generation
  • Bot Trust: reverse DNS verification of AI bots, spoofing protection and geolocation

Features

  • Discovery Score and Readiness Heatmap in the dashboard
  • 8 AI content types: Professional Profile, Services, Products & Offers, FAQ & Clarifications, Real Cases, Authority Content, Glossary Terms, Targets & ICP
  • AI editorial assistant (Gemini/OpenAI): semantic summaries, citations and speakable selector
  • Native multilingual: WPML, Polylang, TranslatePress with localized llms.txt
  • Bulk tools: massive chunk regeneration with cron queue
  • Optimized REST API with pre-computed RAG chunks
  • [primary_source] shortcode for the frontend

Plugin structure

FAQ

Does this plugin slow down the site?

No: heavy operations (chunk generation, AI calls) are asynchronous or handled via WordPress transient cache.

Does it replace Yoast or RankMath?

No, it enhances them: Primary Source handles the "AI-Agent" layer, leaving the "Human-Search" layer to them.

Do I have to pay for APIs?

The plugin requires a Gemini API key (often free up to certain limits) or OpenAI. The cost depends on the volume of content you optimize.

How do I make content "Primary Source"?

Mark only original, verified content as Primary Source: quality beats quantity, and AIs cite authoritative sources.

→ Go to installation | → Configuration | → API

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