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criterion

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Criterion lets you ask questions about Islam and get answers grounded in the Quran and authentic Hadith. It provides relevant verses and narrations with context and accurate source links. You can use it in apps like Claude Desktop and Cursor, requiring API keys for AI services. It focuses on core Islamic teachings, avoiding controversial topics, and is free to use forever.

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Use This MCP server To

Ask natural language questions about the Quran Search authentic Hadith narrations with grading filters Get Quran verses with surrounding context for better understanding Receive accurate citations with hyperlinks for Islamic texts Read Islamic guidance in English or Slovak Share direct links to specific Quran verses or Hadith Get fast, real-time streamed answers to Islamic queries

README

Criterion - Islamic Knowledge Assistant

An AI-powered Da'i (invitor to Islam) bringing authentic Islamic guidance to seekers worldwide.

Built on the Quran and authentic Hadith. Free forever. For the sake of Allah.

Mission · Features · Tech Stack · Getting Started · MCP Server · Documentation


Mission

Criterion exists to bring authentic Islamic knowledge to anyone seeking truth, using modern technology to make divine guidance accessible to all of humanity — freely, forever, for the sake of Allah alone.

Our Four Pillars

  1. Truth & Authenticity — Every response is grounded in verified sources (Quran and Sahih Hadith). We never fabricate or hallucinate.
  2. Fundamentals & Simplicity — We focus on core Islamic teachings that unite. We avoid sectarian debates and controversial topics.
  3. For the Sake of Allah — Criterion will always be free, with no monetization or organizational promotion. This is Sadaqah Jariyah.
  4. State of the Art — We use cutting-edge AI to deliver Islamic guidance effectively to the masses.

👉 Read the full mission and vision in MISSION.md

Key Differentiators

Mission-Aligned:

  • ✨ Free Forever — No paywalls, no ads, no monetization. Built fi sabilillah (for Allah's sake)
  • 📚 Fundamentals-Focused — Avoids sectarian debates, focuses on universally accepted Islamic teachings
  • 🛡️ Trust-First — Grade-filtered authentic Hadith (defaults to Sahih), verified sources only
  • 🤝 Seeker-Oriented — Designed for curious minds, new Muslims, and students of knowledge
  • 🕌 Da'i Personality — Compassionate, knowledgeable, humble guidance

Technical Excellence:

  • 🎯 Semantic Search — Natural language queries return relevant verses from 6,236 Quran verses + 21,641 Hadith narrations
  • 📖 Contextual Retrieval — Top results include ±2 surrounding verses/narrations for proper context
  • 🌐 Multilingual — Read in English (fast) + Slovak (expandable to 10+ languages)
  • 🔗 Accurate Citations — All responses include source references with hyperlinks (Quran.com, Sunnah.com)
  • ⚡ Fast — <150ms query response time

Features

criterion FAQ

Can I use Criterion to find Quran verses about patience?
Yes — you can ask natural language questions and get relevant Quran verses with context and citations.
Can I use Criterion to search authentic Hadith narrations?
Yes — it supports semantic search with grade filtering for Sahih, Hasan, and Da'if Hadith collections.
Which apps support Criterion?
Criterion works with Claude Desktop and Cursor apps.
Do I need an API key to use Criterion?
Yes — you need API keys for XAI Grok LLM and Google AI Studio embeddings to enable full functionality.
How hard is it to set up Criterion?
Setup is one-click if your app supports remote URL installs and you have the required API keys and database ready.
Does Criterion provide source references for its answers?
Yes — every response includes accurate citations with hyperlinks to Quran.com and Sunnah.com.
Is Criterion free to use?
Yes — it is free forever and does not include ads or monetization.