Sanity vs Spacemail for Claude
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sanity compared with Spacemail for Claude
| Detail | S
Sanity | 
Spacemail for Claude |
|---|
| What it does | The Content Operating System for the AI era
| Free MCP connector for Claude to access Spacemail email
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| Stage | Established
| Not given
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| Founded | Not given
| Not given
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| Based in | NO
| GB
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| Pricing model | Not given
| Open source
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| Pricing | Not given
| Free
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| Key features | - Structured content database with real-time data access
- GraphQL and GROQ query language support
- Media Library for managing digital assets
- Portable Text for rich text editing
| - Check new mail across all mailboxes with message previews
- Search emails by sender, subject, words or date
- Read full email messages with attachment names
- Draft threaded replies and new emails saved to Drafts
- Mark messages as read or unread and flag important ones
- Archive, move or delete messages to Trash
- Works with Claude Desktop, Claude Code, Cursor and Windsurf
- Support for up to three mailboxes
- Drafts saved for manual review before sending
- Data stays on your computer, not collected by Norwich Website Design
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| What makes it different | - First content agent that knows your content structure for accurate automation at scale
- Schema-as-code approach allowing schemas to live in Studio configuration rather than database constraints
- One API powering web, mobile, and agentic applications
- Infinitely customizable workflows that mirror how content teams work
- Programmable automation triggered by any content mutation to eliminate manual busywork
| - Free and open-source under MIT licence
- Email content marked as untrusted to prevent phishing attacks
- Deleted messages go to Trash, not permanently deleted
- Independent project not affiliated with Spaceship or Spacemail
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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) | 91 ● no change since last check | 44 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 61 | 0 |
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| Citation Flow (Majestic) | 62 | 4 |
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| Referring domains (Majestic) | 28552 | 3 |
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4 details filled in for both companies.
More alternatives to Sanity More alternatives to Spacemail for Claude