Captures how a person or brand actually writes and turns it into reusable voice instructions every other content skill draws from. Use this before drafting any content for a new brand or client, when output keeps coming back sounding generic, when several writers need to sound like one, or when a voice needs defining without existing samples to learn from.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Brand voice
The upstream dependency for every writing skill. Draft before this exists and it comes back sounding
like everyone else.
## With existing samples
Collect ten to twenty real pieces the person considers representative — their best, not their most
recent. Then extract, with evidence:
- **Sentence rhythm** — average length, and whether they vary it deliberately. Most distinctive
voices are distinguished by rhythm before vocabulary.
- **Vocabulary tells** — the words they reach for and the register they avoid. Note both.
- **Opening moves** — how they start. Most writers have two or three habitual openings.
- **Stance** — do they assert, hedge, question, or provoke? Who do they assume the reader is?
- **Humor and its absence** — where it appears and where it never does.
- **Formatting habits** — paragraph length, list usage, emphasis.
Quote a real example for each. A voice guide with adjectives and no samples is unusable.
## Without samples
Build from a choice rather than a blank page. Offer archetypes — the practitioner showing their
work, the analyst, the contrarian, the teacher, the insider, the enthusiast — with a written
…
The line at the top of this page pins the label git:20260901.b973f20, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (2734 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag
Source
GitHub
cbrock84/headcount · 2,543 stars · license MIT · pushed 2026-10-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_wjcpbrkg2v32xveo
GET https://markdownregistry.com/api/v1/resolve?ref=cbrock84/headcount/brand-voice
GET https://markdownregistry.com/api/v1/blob/edb3ceb5d0bedf697db44136433d693188b379b89239ad8aa6fd902d2c2dc9d1
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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