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LibraLM
✓ verifiedFreemium
Turns 50+ book summaries into AI apps through an MCP server, letting non-coders build advisors, simulators and tools in Claude Desktop.
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Undetectable AI
✓ verifiedFree trial
AI writing detector and humanizer that rewrites AI-generated text to pass detection tools for students, writers, and businesses.
4.0M visits/mo27K saves
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Originality AI
✓ verifiedPaid
Content-integrity suite pairing an accurate AI-text detector with plagiarism, fact, and readability checks.
2.4M visits/mo13K saves
Pricing
Free: $0/mo (50 API calls)
Pro: $9.99/mo (unlimited API calls)
No public pricing
Free trial available
Pro: $14.95/month (2,000 credits/mo)
Enterprise: $179/month (15,000 credits/mo)
Core features
- ✦50+ book summaries and chapter breakdowns
- ✦MCP server integration with Claude Desktop
- ✦Build AI apps, games and simulators from books
- ✦No-code app creation in minutes
- ✦Free API key with credits
- ✦Companion mobile app (LibraLM Scenario)
- ✦AI text detector with sentence-level flagging
- ✦AI humanizer/rewriter that scores as human on detectors
- ✦AI-generated image detector
- ✦Fake PDF and AI audio detectors
- ✦Chrome extension for in-browser use
- ✦Sentence rewriter and word counter utilities
- ✦AI-content detector with sentence-level highlighting
- ✦Plagiarism checker
- ✦Fact, grammar, and readability checkers
- ✦Chrome extension with writing replay
- ✦Team management and API access
Use cases
- →Build a financial advisor from a finance book
- →Create negotiation or conversation simulators
- →Prototype AI tools grounded in book content
- →Students checking assignments before submission
- →Content writers keeping AI-assisted drafts flag-free
- →Professionals polishing client emails and reports
- →Businesses scaling content output without losing consistency
- →Detect AI-generated text in submissions
- →Check content for plagiarism
- →Verify facts before publishing
- →Prove authorship of original writing
- →Run content QA at scale for agencies
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