Produce a branded 31C external letter (PDF + DOCX) using the locked corporate template. Use for formal correspondence to customers, partners, regulators, investors, counsel, and institutional contacts. Applies the locked letterhead, signature block, footer, and confidentiality notice automatically. Trigger when the user says "write a letter to", "letter of introduction", "letter of interest", "formal letter", "external letter", "send a letter to [named recipient]", or when the user requests formal written correspondence that is not a proposal, MOU, or official document.
$npx -y skills add mishahanin/heading-os --skill corporate-letterInstalls into the current project.
Run `npx skills use "https://github.com/mishahanin/heading-os" --skill "mishahanin/heading-os/corporate-letter"` 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/mishahanin/heading-os" that are relevant to the current task. Run `npx skills add "https://github.com/mishahanin/heading-os"` and select the relevant skills, then follow their instructions.