| What it does | Fast, 100% client-side developer platform with zero-data logging
| A signed, machine-readable copy of your website that AI agents can read and verify
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | All tools are free with no usage limits. The site may show ads in the future to cover running costs.
| Free for all accounts
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| Key features | - Multi-timezone support with IANA database and daylight saving time
- JSON to TypeScript conversion
- JWT decoder and inspection
- Cron expression parser and generator
- End-to-end encrypted environment variable vaults
- P2P multiplayer canvas with WebRTC and CRDT
- Steganography for hiding encrypted secrets in images
- Service Worker API mocker for frontend testing
- Encrypted URL shares with hash fragment storage
| - 77 tools across 14 groups for setup, publishing, delivery, keys, readers, connectors, Google integration, listings, commerce, reports and company management
- Public API routes for reading company records without authentication
- RFC 9421 digital signatures with signature verification capability
- Read receipts tracking who accessed signed copies
- Automatic fallback to cached copies when Trooth is slow or unavailable
- Agent key support for autonomous AI operations
- Two-officer signing policy for company security
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| What makes it different | - Zero-data logging: no keystroke sent to external servers, all processing in browser memory
- 100% client-side operation works entirely offline
- Unified ecosystem across web, CLI, and AI agents via MCP Server
- Sub-millisecond performance with local execution
- Tool chaining and piping for seamless multi-stage workflows
| - AI agents can autonomously set up and manage Semanto with MCP integration
- Cryptographically signed records that can be verified by anyone without authentication
- Public API routes with no account requirement for reading and verifying company records
- Adapter ensures website availability even when Trooth service is slow or down
- Comprehensive toolset of 77 tools for managing every aspect of signed company records
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▼ −4 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 19 | 27 |
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| Referring domains (Majestic) | 7 | 35 |
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Castov
Semanto™