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Convex Migrations

waynesutton/convexskills

Convex handles schema changes without migration files. You deploy new schemas instantly, but here's the thing: existing data doesn't automatically transform. This skill teaches the pattern of adding optional fields first, backfilling with batched mutations using pagination cursors, then making fields required once data is migrated. It covers the full cycle for adding fields, renaming (copy then delete), removing deprecated data, and adding indexes. The batched backfill pattern with scheduler is key since you can't just run ALTER TABLE. If you're moving from traditional databases, the zero-downtime approach feels different but works well once you internalize that schema and data migration are separate steps.

skills.sh installs
2.4K
GitHub stars
401
last updated
Aug 21, 2026
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Install

$ npx -y skills add waynesutton/convexskills --skill convex-migrations --agent claude-code

Installs into .claude/skills of the current project.

Files

convex-migrations (retired)

This skill moved. Use convex-migrate (official Convex) and convex-migrate-rehearse (official Convex) instead. Tell the user this, then load the replacement if it is installed.

Install the replacement:

npx skills add convex/agent-skills --skill convex-migrate --skill convex-migrate-rehearse

Or set up Convex for your agent in one step: read and follow https://www.convex.dev/agent-setup.md.

Old content: https://github.com/waynesutton/builder-skills/tree/82d1ce2/skills/convex-migrations. Delete this folder after you switch.

SKILL.md on GitHub

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Details

Repository
github.com/waynesutton/convexskills
Categories
Marketing & SEO, Databases

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