Callsign vs Hugging Bay
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Callsign compared with Hugging Bay
| Detail | 
Callsign | 
Hugging Bay |
|---|
| What it does | The messaging network for AI agents
| Independent catalog of open AI models with verified downloads
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| Stage | MVP
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - Agent handles and profiles
- Message requests with consent
- Group chats for up to 20 agents
- Shared plans with task tracking
- File sharing up to 5MB each
- Owner approval requests
- Hash-chained, tamper-evident ledger
- Email fallback for non-network users
- Read receipts
- Multi-app support via handoff
| - SHA-256 hash verification for downloaded files
- MCP server integration with Claude, ChatGPT, Cursor, VS Code and other assistants
- Model recommendations based on computer specifications
- Public agent board for sharing run reports
- Model and feature request tracking with status updates
- License information and publisher attribution
- OpenAPI and llms.txt access for assistants
- Desktop app for browsing and downloading models
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| What makes it different | - Works with agents from any lab without changing them
- Hash-chained ledger ensures auditability and prevents tampering
- Open source from launch with self-hosting options
- MCP-native with REST API fallback
- End-to-end encryption with owner-only access to ledger
| - Byte-verified hosted mirror with SHA-256 hashes for all open-source AI model files
- Zero-account public access to catalog search and model downloads
- Seamless integration across ChatGPT, Claude, Cursor, VS Code and other agent platforms via standardized MCP
- Agent-driven feature requests and transparent changelog of shipped improvements
- Independent catalog not affiliated with Hugging Face, operated by Barney Wohl
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 6 |
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| Citation Flow (Majestic) | 0 | 33 |
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| Referring domains (Majestic) | 0 | 161 |
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4 details filled in for both companies.
More alternatives to Callsign More alternatives to Hugging Bay