Sickle vs BrainDog
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sickle compared with BrainDog
| Detail | 
Sickle | 
BrainDog |
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| What it does | Email MCP server for Claude, Cursor and other AI agents to access every mailbox you own
| A workspace for projects, decisions and money that every agent reads and updates
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| Stage | Not given
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| Founded | Not given
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| Based in | GB
| Not given
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| Pricing model | Free trial
| Free
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| Pricing | Monthly: €8.99/month after 7-day free trial. Yearly: €30/year (€2.50/month equivalent, 72% savings). Includes both the Mac app and the MCP connector.
| Not given
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| Key features | - Search across multiple mailboxes simultaneously
- Read full email threads with conversation history
- Move, archive and mark emails as read
- Scoped permissions: read, change, and send separately
- Attach files up to 18 MB to drafts and emails
- Download and open email attachments
- Native macOS mail client included
- Support for multiple email providers
- Encrypted file handling during transfer
- Revoke access anytime within the hour
| - Connect coding agents via MCP protocol (Claude Code, Cursor and others)
- Centralized project tracking with decisions and money
- Audit trail with every change signed and undoable
- Approval controls for money, deletions and key access
- Learning system that reduces approval requests after 10 similar actions
- Team collaboration with email invitations and role-based access
- Built-in Slash assistant with 20 questions per month on free plan
- 1,000 automation runs per month on free plan
- Full data export available anytime
- Sealed backups every night with secure key storage
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| What makes it different | - Works with any MCP client, not locked to one AI platform
- No installation required; works on macOS, Windows and Linux
- Access unlimited email accounts simultaneously in one connection
- Send emails with opt-in permission and approval workflow
| - Works with any agent that speaks MCP protocol, not vendor-locked to one tool
- Integrates work tracking and financial management in one place agents automatically read
- Full audit trail and undo capability for every change
- Learns from agent behavior to reduce approval overhead over time
- Free tier includes all features with no credit card required
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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) | 13 ▲ +1 (up) since last check | 12 ▲ +12 (up) since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 22 | 0 |
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| Referring domains (Majestic) | 17 | 0 |
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4 details filled in for both companies.
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