Caprock 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.
Caprock compared with Spacemail for Claude
| Detail | 
Caprock | 
Spacemail for Claude |
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| What it does | The ledger of every coding agent you run
| Free MCP connector for Claude to access Spacemail email
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| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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| Based in | US
| GB
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| Pricing model | Not given
| Open source
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| Pricing | Free Community Edition with 83 features. Premium: $30 per year or $100 once. Teams in your VPC: $6,000 per year or $1,000 per month plus $500 setup.
| Free
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| Key features | - Track who is waiting on you and who is stuck across agents
- Live plan limits for Claude and Codex
- Cost per pull request and repository at API list price
- Run Claude Code, Codex, OpenCode and Gemini CLI in terminal tabs
- Follow branches from agent to pull request, CI, merge and release
- Loop alerts when a session calls the same tool five times in three minutes
- Search session history after Claude Code deletes transcripts
- Pair phone by QR code for access from anywhere
- Auto-pause sessions at daily budget limit (Premium)
- Run tasks unattended with automatic verification
| - 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 | - Works with multiple agents on the same machine in one unified ledger
- Prices agent work at API list price with cost per pull request and repository
- Team version runs in your VPC with one flat price for all machines
| - 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) | 12 ▲ +1 (up) since last check | 44 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 21 | 4 |
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| Referring domains (Majestic) | 14 | 3 |
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5 details filled in for both companies.
More alternatives to Caprock More alternatives to Spacemail for Claude