Head-to-head · Build phase · Marketplace
Prompts.Chat vs Ecc
For the Build phase, Ecc leads Prompts.Chat on adoption - 250k vs 169k 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.
Prompts.Chat vs Ecc
| Prompts.Chat | Ecc | |
|---|---|---|
| GitHub stars | 169k | 250k |
| Installs | 0 | 0 |
| Adoption rank (this phase) | #4 | #2 |
| Built for | Claude Code | Claude Code |
| What it is | 1 plugins | ECC is a marketplace that installs a single harness-native operator plugin bundling agents, skills, hooks, rules, and reusable workflows for coding agents. |
| Install | /plugin marketplace add f/prompts.chat | /plugin marketplace add affaan-m/ECC |
Common questions
Prompts.Chat vs Ecc: which is better for build?
Ecc ranks higher by adoption (250k vs 169k GitHub stars), but both are marketplaces for the Build phase - choose by fit.
How do I install Prompts.Chat?
Run: /plugin marketplace add f/prompts.chat
How do I install Ecc?
Run: /plugin marketplace add affaan-m/ECC
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.