ZV-2026-0449 · 2026-08-27 · marian.coach
marian.coach: New required field context on assess_team_lead_readiness; requests without it will fail.
breaking
What changed
New required field context on assess_team_lead_readiness; requests without it will fail. New required field context on build_mentoring_business_case; requests without it will fail. New required field context on calculate_developer_value; requests without it will fail. New required field context on calculate_engineering_manager_value; requests without it will fail. New required field context on choose_mentor_coach_or_advisor; requests without it will fail. New required field context on estimate_coaching_cost; requests without it will fail. New required field context on get_engineering_leadership_benchmarks; requests without it will fail. New required field context on get_first_time_manager_guidance; requests without it will fail. New required field context on get_one_on_one_playbook; requests without it will fail.
What to do
If your agents call marian.coach, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− context New required field context on assess_team_lead_readiness; requests without it will fail. − context New required field context on build_mentoring_business_case; requests without it will fail. − context New required field context on calculate_developer_value; requests without it will fail. − context New required field context on calculate_engineering_manager_value; requests without it will fail. − context New required field context on choose_mentor_coach_or_advisor; requests without it will fail. − context New required field context on estimate_coaching_cost; requests without it will fail. − context New required field context on get_engineering_leadership_benchmarks; requests without it will fail. − context New required field context on get_first_time_manager_guidance; requests without it will fail. − context New required field context on get_one_on_one_playbook; requests without it will fail. + get_more_tools Tool get_more_tools was added.