Shortlist model, agent, MCP, and skill combinations by decision context.

Stack cards turn the directory into a decision product: which combination to try, where it fits, and what to verify before rollout.

Stack template

Loop engineering stack

ModelClaude Sonnet 5 / GPT-5.6 Sol

Repo-changing work, research synthesis, and repeated QA where success needs evidence instead of a single answer.

Risk: The stack needs a hard stop condition, budget ceiling, and human approval for deploy, data, or permission changes.

Needs review · low confidence · Jul 11, 2026Evidence to review: AgentHub methodology