{"slug":"tryghost-create-database-migration","source_name":"tryghost/Create database migration","name":"Tryghost/Create Database Migration","description":"Create a database migration to add a table, add columns to an existing table, add a setting, or otherwise change the schema of Ghost's MySQL database. Use this skill whenever the task involves modifying Ghost's database schema — including adding, removing, or renaming columns or tables, adding new settings, creating indexes, updating data, or any change that requires a migration file in ghost/core. Also use when the user references schema.js, knex-migrator, the migrations directory, or asks to \"","version":3,"lift":{"pass_rate_delta_pts":59.09,"pass_rate_pct":95.5,"total_cases":22,"passed_cases":21,"tokens_delta_pct":-34,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-09-27T20:26:03.455596+00:00"},"skill_score":0.9545,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":59.09,"with_pass_pct":95.5,"without_pass_pct":36.4,"tokens_delta_pct":-34,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":22,"verdict":"mixed","never_hurt":false,"completed_at":"2026-09-27T20:26:03.455596+00:00","run_id":"760a7630-baca-46b9-a924-43a880c10b74","latest_attempt":{"id":"4f284750-6089-4c10-808b-a1019793934c","runner_model":"gemini-3.6-flash","overall_verdict":"mixed","completed_at":"2026-10-04T05:28:02.893171+00:00","gate":"not_comparable"},"version_number":1,"is_latest_version":false,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"total_uses":0,"total_users":0,"manifest_hash":"ae568a09c125e8e0c6d64117ed3687c6e3ace23f812d607e2383a7d114cd8c01","install_name":"tryghost-create-database-migration","version_id":"a6a415d1-ae66-4e2b-8aef-b7539443ffa0","body_sha256":"ae568a09c125e8e0c6d64117ed3687c6e3ace23f812d607e2383a7d114cd8c01","render_hash":"58ca497fcf8fe53b96f48ba7fe7fa9c08f1a24319116131d17b623e355768d20","raw_url":"https://app.decimal.ai/s/tryghost-create-database-migration/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/tryghost-create-database-migration"}