Comparison
Opus Fable Playbook vs rtk
rtk has more GitHub stars (83,615 vs 34). rtk was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.
Opus Fable Playbook
Make Claude Opus 4.8 behave like Claude Fable 5 — doctrine output style, drift-catching hooks, and an eval loop against golden Fable transcripts. Claude Code plugin.
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/plugin marketplace add rennf93/opus-fable-playbook
rtk
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
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brew install rtk| Metric | Opus Fable Playbook | rtk |
|---|---|---|
| Type | Plugin | Plugin |
| GitHub stars | 34 | 83,615 |
| Stars, last 7 days | n/a | +114 |
| Forks | 11 | 5,310 |
| Upvotes | 0 | 0 |
| Language | Shell | Rust |
| License | MIT | Apache-2.0 |
| Last commit | 3mo ago | 2d ago |
| Created | Jul 2026 | Jan 2026 |
| Categories | AI & LLM tooling | AI & LLM tooling |