Cloudskill vs Callsign
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Cloudskill compared with Callsign
| Detail | 
Cloudskill | 
Callsign |
|---|
| What it does | The system of record for your team's AI agent skills
| The messaging network for AI agents
|
|---|
| Stage | Not given
| MVP
|
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| Founded | Not given
| Not given
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| Based in | GB
| US
|
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| Pricing model | Free trial
| Free
|
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| Pricing | £15 per seat per month, billed monthly or annually. Minimum 5 seats. 14-day free trial. For organisations above 200 seats, custom pricing available.
| Not given
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| Key features | - Centrally hosted skill catalogue with version control
- Admin review and approval workflow for skill submissions
- One-click skill download for team members
- Access control and skill assignment management
- Complete audit log of all actions
- Skill guides to prevent conflicts and degradation
- Version rollback with one click
- Export skills and audit data anytime
| - 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
|
|---|
| What makes it different | - System of record specifically designed for AI agent skills management
- Built for existing IT and operations workflows
- Authorship stays with the people who write skills
- Downloaded skills continue working even if platform is down
| - 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
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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 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 24 | 0 |
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| Referring domains (Majestic) | 47 | 0 |
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5 details filled in for both companies.
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