Head-to-head · Build phase · Marketplace
Ecc vs Superpowers
For the Build phase, Superpowers leads Ecc on adoption - 282k vs 250k GitHub stars. Both are marketplaces; pick by fit, not just rank - the full side-by-side is below.
A side-by-side comparison of two marketplace options for the Build phase - adoption, what each is for, and how to install them.
Ranked by Skillselion · adoption from the skills.sh registry & GitHub.
Ecc vs Superpowers
| Ecc | Superpowers | |
|---|---|---|
| GitHub stars | 250k | 282k |
| Installs | 0 | 0 |
| Adoption rank (this phase) | #2 | #1 |
| Built for | Claude Code | Claude Code |
| What it is | ECC is a marketplace that installs a single harness-native operator plugin bundling agents, skills, hooks, rules, and reusable workflows for coding agents. | superpowers-dev is Obra's Claude Code plugin marketplace that publishes the Superpowers core skills library as one installable plugin. |
| Install | /plugin marketplace add affaan-m/ECC | /plugin marketplace add obra/superpowers |
Common questions
Ecc vs Superpowers: which is better for build?
Superpowers ranks higher by adoption (282k vs 250k GitHub stars), but both are marketplaces for the Build phase - choose by fit.
How do I install Ecc?
Run: /plugin marketplace add affaan-m/ECC
How do I install Superpowers?
Run: /plugin marketplace add obra/superpowers
More for the Build phase
See the full ranked shortlist of best marketplace options for build, browse every Marketplaces, or see every best-of shortlist.