| What it does | A native Mac editor for text, CSVs, and data files
| MCP server connecting AI agents to your design system with live tokens and code linting
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Freemium
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| Pricing | Caxton Free (free forever); Caxton Pro monthly at $9.99 USD, annual at $99.99 USD, or lifetime at $179.99 USD. Team pricing starts at $79 to $99.99 USD per seat per year.
| Free: one design system with limited component pulls. Pro: $15/month per seat ($12 billed yearly). Team: $25/month per seat ($20 billed yearly). Studio: $39/month per Genome ($31 billed yearly).
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| Key features | - Text editing with memory-mapped files for large documents
- CSV and TSV table editing with column transforms
- Column transformations and data type preservation
- CSV validation with structural and data rules
- File comparison without copying data
- Extract matches and columns to new documents
- Local processing with no cloud uploads or telemetry
| - MCP server connection for Claude Code, Cursor, VS Code and other AI agents
- Design system bootstrap from text prompt, website URL, Figma file or screenshot
- Token and component editor with live publishing
- Code linting against design system specifications
- Export to CSS, SCSS, Tailwind, Tokens Studio JSON and Figma variables
- Figma integration with OAuth and plugin support
- GitHub integration for pushing design system updates
- Website CSS scanning and analysis
- Change proposals and human review workflow
- Rate-limited stateless HTTP API with 120 calls per minute
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| What makes it different | - Opens files directly from disk without importing or uploading, preserving data exactly as stored
- Combines text editor, CSV table editor, and log viewer in one native Mac application
- Handles multi-gigabyte files with consistent performance and one-millisecond keystroke latency
- Preserves leading zeros, long IDs, and data types exactly as stored in the file
- All files stay local to your Mac with no cloud processing, telemetry, or vendor lock-in
| - Live tokens on every AI generation instead of stale rules files
- Supports all major AI coding agents: Claude Code, Cursor, VS Code, Claude, Codex, Windsurf and Figma's agent
- Human review required for all changes; nothing auto-applied
- Design systems remain yours to use in client work and commercial products
- Bootstrap from text, website, Figma or screenshot; no manual token creation needed
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 20 | 16 |
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| Referring domains (Majestic) | 22 | 4 |
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Caxton
Flash DSM