Primes Claude with the dead-letter plugin's commands and runtime conventions when the user is working with .eml email files, Gmail/Outlook exports, or email archive workflows.
$npx -y skills add bigcactuslabs/dead-letter --skill dead-letter-contextInstalls into the current project.
Run `npx skills use "https://github.com/bigcactuslabs/dead-letter" --skill "bigcactuslabs/dead-letter/dead-letter-context"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/bigcactuslabs/dead-letter" that are relevant to the current task. Run `npx skills add "https://github.com/bigcactuslabs/dead-letter"` and select the relevant skills, then follow their instructions.