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Multi-model validation council — auto-validate plans, architecture changes, and PRs via validate-plan/review before executing
Passed 16 of 20 test cases with the skill, and 5 of 20 without it.
and 13 more in the full report
12 fixed6 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which model serves as the chief leading every council panel review, and what CLI executable is used to invoke it?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies claude-fable-5 as the chief model | Missed | Passed |
| Names ~/bin/claude-fable-5 as the invocation executable | Missed | Passed |
The instructions your model reads when the skill loads.
When you write a plan to ~/.claude/plans/, automatically validate it:
~/bin/validate-plan --threshold 2 ~/.claude/plans/<plan-file>.md
When making architectural changes (new services, API redesigns, database schema changes), run:
~/bin/review --all "Review this architecture: <summary>"
Before marking a PR as done, run:
~/bin/review --all --file <changed-files>
Council behavior is configured in ~/.claude/council.yaml. The Maggy dashboard (Settings > Council) also manages this config.
chief: claude-fable-5 — Claude Fable 5 (Anthropic's most capable widely-released
model, GA 2026-06-09) leads every panel as the chief: it reviews first and casts
the deciding synthesis. Invoked via ~/bin/claude-fable-5. Override the chief in
~/.claude/council.yaml.
The chief leads each context, followed by the panel:
test cases passed, vs 5 / 20 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.