What is multi-core?
multi-core is a Claude Code mod by greenpolo that claude Code plugin: use ChatGPT (Codex), Cursor, OpenCode Zen, and Antigravity models inside one Claude Code session. Switch with /model, delegate to named native workers, keep each. It is listed under Agents & automation and has 193 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | greenpolo |
| Repository | greenpolo/cc-multi-cli-plugin |
| Popularity | 193 GitHub stars |
| Category | Agents & automation |
| Security | Low risk (100/100) |
| Rank | #98 of 5,272 Claude Code mods; #17 in Agents & automation |
| License | Apache-2.0 |
| Last commit | 2026-10-14 |
| Stars this week | +3 |
| Hooks | 0 events |
| Sees | only the events it hooks |
| Draws on | nothing |
Is multi-core safe to install?
multi-core scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
How do I install multi-core?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/greenpolo/cc-multi-cli-plugin claude plugin validate ./cc-multi-cli-plugin/plugins/multi-core
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/greenpolo/cc-multi-cli-plugin && claude --plugin-dir ./cc-multi-cli-plugin/plugins/multi-core
Or ask Claude to set it up
Paste this into Claude Code and it installs multi-core for you:
Install the "multi-core" Claude Code mod from https://github.com/greenpolo/cc-multi-cli-plugin/tree/main/plugins/multi-core. Run claude plugin validate on it first and show me what it can access before you enable it.