Installation
Skills CLI
Skills CLI command
npx skills@latest add addyosmani/agent-skills --skill deprecation-and-migrationRequires Node.js and npm. Choose your agents in the installer; add -g for a global installation.
Prompt
Example prompt
Use the deprecation-and-migration skill for this task.Paste this into your agent once the skill is installed, then add your own context.
Fieldbook review
Reviewed 27 Sept 2026Uses advisory or compulsory deprecation, then incremental consumer migration and expand/backfill/contract for schemas. It requires production usage evidence, migration tooling, and reversible database migrations, and guards destructive drops until no code references the old shape.
- LicenceMIT
- FrontmatterValid name and description
- Risky patternsNone found
- Size248 lines
- Last checked27 Sept 2026 ·
6a624f942e09c69863a4219b9bd5d56975026b67b0c70bc83385ffd2120b6142
What it can touch
- Edits code
Changes files in your project.
- Writes docs
Creates or updates documents such as specs, plans or ADRs.
- Runs commands
Runs shell commands such as tests, builds or installs.
Read the source
Fieldbook links to the original instead of copying it, so you always read the version you install.
skills/deprecation-and-migration/SKILL.md on GitHub (opens in a new tab)