| What it does | Profanity filtering your users can't get around
| The interoperability layer for AI-enabled websites
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| Stage | Startup
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| Founded | Not given
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| Based in | IL
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| Pricing model | Paid
| Open source
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| Pricing | Hobby: $9/month (25,000 checks); Starter: $29/month (100,000 checks); Growth: $249/month (1,000,000 checks); Scale: $999/month (5,000,000 checks). Extra checks available at $29 per 100,000 (Hobby/Starter), $25 per 100,000 (Growth), $20 per 100,000 (Scale). Launch offer: half price on Hobby and Start
| Free and open source
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| Key features | - Catches leetspeak, look-alike letters and creative spelling variants
- Context-aware filtering with three policies: kids, standard, casual
- Detects abuse without explicit swear words
- Avoids false positives on place names, surnames and anatomy
- Supports 17 languages
- Drop-in replacement for Google Perspective API with compatible JSON and errors
- Rules-based engine with optional AI model for complex cases
- Fast mode (rules only) and balanced mode (model-assisted)
- Open benchmark showing performance metrics
- Available for username checks, chat, comments, reviews and AI agent responses
| - Multi-protocol support - projects to MCP, ACP, AP2, NLWeb, REST, GraphQL, OpenAPI and feeds
- AI Readiness Validator - scores site readiness from 0 to 100 with per-capability checks
- Discovery network - agents can discover AI-ready sites by capability or type
- OAuth2 with PKCE support for secure authentication
- SDKs in 8 languages - TypeScript, JavaScript, React, Python, PHP, Go, .NET and Ruby
- WordPress plugin for auto-generating AI2Web manifests
- Chrome extension for checking any site's AI readiness instantly
- SSRF protection for all outbound requests
- Supports llms.txt and agent.json formats for backwards compatibility
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| What makes it different | - Catches disguised profanity that word lists and basic APIs miss, including 13 measured kinds of disguise
- Direct replacement for Google's Perspective API ending December 31, 2026
| - Describe your website once in a single manifest, projects automatically to all major AI protocols
- No vendor lock-in and no per-vendor rebuilds required
- Built-in safety by construction - high-risk actions always preview before running
- Free and open source with CC-BY 4.0 spec and MIT licensed SDKs
- Works across Claude, ChatGPT and any MCP client without per-vendor work
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▼ −1 (down) since last check | 12 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 5 | 9 |
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| Citation Flow (Majestic) | 21 | 19 |
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| Referring domains (Majestic) | 14 | 61 |
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Unprofane
AI2Web