Claude Fable 5.1 & GPT-6 Astra packages are live

AI

13 packages, each available for 11 model families.

agent-rules

This document defines the behavioral operating rules for Claude during software engineering tasks.

11 models→

context

This document defines how context should be collected, maintained, expanded, and utilized throughout an engineering session.

11 models→

hallucination

This document defines the anti-hallucination engineering protocol.

11 models→

memory

This document defines how memory should be managed during engineering tasks.

11 models→

multi-agent

This document defines how complex engineering tasks should be decomposed into multiple specialized reasoning roles.

11 models→

optimization

This document defines the engineering optimization methodology.

11 models→

planning

This document defines the planning methodology for engineering tasks.

11 models→

prompt-engineering

This document defines how prompts should be constructed for Claude during software engineering tasks.

11 models→

reasoning

Define how engineering problems should be analyzed before implementation.

11 models→

self-review

This document defines the self-review methodology for engineering tasks.

11 models→

spec-driven

Spec-driven development for agents — propose, spec, tasks, verify, archive before any multi-file edit, so the model builds what was agreed and leaves…

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tool-use

This document defines how external tools should be used during engineering tasks.

11 models→

verification

This document defines the verification methodology for software engineering tasks.

11 models→

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