$npx -y skills add jsturtevant/copilot-codeact-plugin --skill codeact-install-montySwitch codeact to the Monty backend (Pydantic Monty — minimal Python interpreter in Rust, sub-microsecond startup). Use when user wants to switch to monty, use monty backend, or needs lightweight sandboxing.
| 1 | # codeact-install-monty |
| 2 | |
| 3 | Switch codeact to the **Monty** backend (Pydantic Monty). |
| 4 | |
| 5 | ```bash |
| 6 | bash "$SKILL_DIR/run.sh" |
| 7 | ``` |
| 8 | |
| 9 | Runs preflight for monty, rediscovers tools, and rewrites the instructions |
| 10 | and agent files with backend pinned to `monty`. |