Claude Code becomes customizable with TypeScript mods
Mods change Claude Code's behavior, events and interface and distribute in plugins.
available
Facts, analysis and limits
Verified facts
- Can rewrite a prompt, intercept a tool and add an interface.
- Available in the CLI and desktop application.
- Mods are not sandboxed and have the same machine access as Claude Code.
- A sec-default mod protects certain controls in managed environments.
What changes
The agent becomes a much more powerful and privileged extension platform.
Practical implication
Install only trusted code and test managed controls.
Availability
Belgium/EEA: not specified in the source; access depends on the plan, rollout and administrator settings.
Limits and uncertainty
Date of October 1st confirmed by the metadata and public index, not by the receipt of the newsletter of 3. The plugins portal is earlier: September 25th.