Critter Stack AI Skills

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Critter Stack AI SkillsTeach your coding assistant the Critter Stack

Curated AI agent skills covering Wolverine, Marten, Polecat, and Fisher. The idioms, conventions, and best practices that humans learn the hard way.

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Commercial Product

These skills are licensed commercially by JasperFx Software. Contact us for evaluation or purchase.

Skills Across the Critter Stack

AI agent skills covering Wolverine (handlers, HTTP, messaging, testing, observability, migrations), Marten (single/multi-stream projections, async daemon, multi-tenancy), and all three document + event stores — Marten on PostgreSQL, Polecat on SQL Server, Fisher on SQLite — plus architecture guides for new projects and modular monoliths.

Drop-in for Claude Code & Agents

Install via the AgentSkills CLI from the JasperFx NuGet feed and your assistant picks up the right skill for the task automatically.

What you get ​

  • Skills spanning Wolverine, Marten, Polecat, and Fisher, from fundamentals to advanced topics like Dynamic Consistency Boundary, cross-stream operations, and load distribution — including choosing among the three stores in the first place.
  • Designed for agents, not humans. Each skill is tuned for Claude Code, the Claude Agent SDK, and other AI coding assistants that support the agentskills.io specification.
  • Continuously updated against the latest Wolverine, Marten, Polecat, and Fisher releases.

See the Access & Licensing page to get started.

Proprietary. Copyright © JasperFx Software LLC. See LICENSE for terms.

Contact JasperFx Software for commercial access.