Teams and projects that run ECC in real work. Seeing who else uses a tool is usually the last thing someone checks before adopting it, so this page is worth keeping current.
Listing is opt-in and self-reported. Nobody is added without asking.
Open a pull request that adds one row to the table below, or use the quick feedback form and say you want to be listed.
One row, this shape:
| Organisation or project | Harness | How ECC is used | Contact |- Harness — Claude Code, Codex, Cursor, OpenCode, or several.
- How ECC is used — one sentence. What it replaced is more useful than what it is.
- Contact — a GitHub handle, or
—if you would rather not.
Only add an organisation you are authorised to speak for.
| Organisation or project | Harness | How ECC is used | Contact |
|---|---|---|---|
| Your team could be first. |
Distinct from adopters: these organisations fund or partner with the project. They are listed in the README and in SPONSORS.md. Sponsorship is not an endorsement of production use, and production use is not sponsorship.
Longer write-ups of ECC in a real codebase. If you have published one, link it here in the same pull request that adds your row.
- None yet. If you write one, it will be linked from the README too.