Access & Licensing

The Critter Stack AI Skills library is a paid commercial product published by JasperFx Software LLC. Access is granted under a proprietary license — see the LICENSE file in the repository for the full terms.

To evaluate, purchase, or renew access: please contact JasperFx Software.

Please include your company name, team size, and the Critter Stack products you use (Wolverine, Marten, and/or Polecat).

What's included

• All 66 skills covering Wolverine, Marten, and Polecat.
• Continuous updates as the Critter Stack evolves.
• Delivery through the JasperFx private npm registry at https://packages.jasperfx.net/npm/.

What you'll receive

Once your license is activated you'll get:

1. A personal auth token for the JasperFx npm registry.
2. Installation instructions for Claude Code, the Claude Agent SDK, and other agentskills-compatible tooling.
3. Access to this documentation site with the full skill catalog.

Support

Formal support for Wolverine, Marten, Polecat and the AI Skills library is available through JasperFx Support Plans. For community discussion, join the Discord.

For the overarching vendor, see jasperfx.net.