SwiftSkills vs eryx
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
SwiftSkills compared with eryx
| Detail | 
SwiftSkills | 
eryx |
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| What it does | Directory of AI agent skills, MCP servers and rules for iOS, Swift and SwiftUI development
| WebAssembly sandbox for running untrusted Python safely
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Not given
| Not given
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| Key features | - 137 catalog entries with public source links
- 48 MCP servers for Apple development
- Support for multiple AI agents including Claude Code, Cursor and Codex
- 11 categories organized by development areas
- Install commands copied from official sources
- Searchable catalog with keyword filtering
- Weekly newsletter of new catalog entries
| - Full CPython 3.14 with standard library
- Async callbacks from sandboxed code
- No filesystem or network unless allowed
- Fast startup in 1–5 milliseconds
- Embed from Python, JavaScript or Rust
- MCP server support
- gRPC server deployment
- Hosted execution over HTTP and WebSocket
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| What makes it different | - Curated specifically for Apple platform developers
- All entries linked to public repositories with verified sources
- Includes diverse tool types: skills, MCP servers, rules, docs and SDKs
| - Full CPython 3.14 running in WebAssembly
- Async callbacks between sandbox and host
- Extremely fast sandbox startup
- Works as MCP server for AI agents
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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) | 1 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 13 | 6 |
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| Referring domains (Majestic) | 1 | 2 |
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4 details filled in for both companies.
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