corporate-letterlisted
Install: claude install-skill mishahanin/heading-os
# External Letter (31C Branded)
Produce a formal external letter using the locked 31C corporate template. Renders to PDF and DOCX.
## Variables
- `recipient`: full name, title, organisation
- `subject`: subject line (under 70 chars)
- `objective`: what this letter should accomplish
- `context`: relationship and situational background
## Phase 0: Context Loading
Before drafting, read:
- `reference/corporate-style-guide.md` - locked template, colors, typography, signature, checklist
- `.claude/rules/corporate-docs.md` - guardrail and pipeline
- `.claude/rules/terminology.md` - Tribe, ODUN.ONE, DPI+, Five Principles
- `.claude/rules/voice.md` - writing rules
- `reference/misha-voice.md` (or sender's voice file if present)
- `.claude/rules/voss.md` - negotiation overlay
- `context/people.md` - CRM relationship context if the recipient is known
- `context/pipeline.md` - if this letter relates to an active pipeline entry
## Phase 1: Classify and Confirm
Announce the selection before drafting:
> Using `/corporate-letter` (31C external letter template). PDF + DOCX will be rendered. Locked letterhead, GT Standard typography, confidentiality footer applied.
If the recipient, subject, or objective is missing, ask one targeted block of questions before drafting.
## Phase 2: Draft the Letter Body
Constraints:
- First-person singular from the sender.
- Opening paragraph: peer-to-peer, not vendor. State the reason for writing in sentence one.
- Body: 1-3 short paragraphs, under 3