Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add OutlineDriven/outline-driven-development --skill copywriting-tone-of-voice-creatorgit clone --depth 1 https://github.com/OutlineDriven/outline-driven-developmentWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/outlinedriven/outline-driven-development/copywriting-tone-of-voice-creator)<a href="https://agentmods.dev/skills/outlinedriven/outline-driven-development/copywriting-tone-of-voice-creator"><img src="https://agentmods.dev/badge/skills/outlinedriven/outline-driven-development/copywriting-tone-of-voice-creator/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/outlinedriven/outline-driven-development/copywriting-tone-of-voice-creator"><img src="https://agentmods.dev/badge/skills/outlinedriven/outline-driven-development/copywriting-tone-of-voice-creator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00050 | $0.05296 |
| Opus 5 | $0.00025 | $0.02648 |
| Sonnet 5 | $0.00010 | $0.01059 |
| Haiku 4.5 | $0.00005 | $0.00530 |
Grade A, and why
copywriting-tone-of-voice-creator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Copywriting tone of voice creator
Contract
| Field | Bound contract |
|---|---|
| Trigger | User asks to create, refresh, or port a brand tone of voice guide, or to codify, audit, or port a brand's measurable prose style rules (syntax, rhythm, mechanics) apart from its emotional tone. |
| Authority | Reversible local: writes only TONE.md, TONE-.md, PROSE.md, or PROSE-.md; rollback is deleting or reverting that file. No remote mutation. |
| Side effect | Writes TONE.md, TONE-.md, PROSE.md, or PROSE-.md. Prose mode may spawn at most 5 read-only audit sub-agents that read corpus files and report metrics but write nothing. No other files, VCS, credentials, paid actions, publishing, or remote mutation. |
| Done | A versioned TONE.md with validated voice attributes, a tone modulation matrix, a lexicon, mechanics, and one channel section per channel in scope; or a versioned PROSE.md or PROSE-.md that an editor can apply line by line, with a semver footer, owner, date, and changelog stub. |
Inputs
- Mode: one of
create(author a new TONE.md),adapt(modulate an existing TONE.md for a channel), orprose(codify, audit, or port prose style rules into PROSE.md). Must be supplied or inferred from the request; ask if ambiguous. - SOUL.md (optional): if present in the working directory or a user-supplied path, read it to pre-fill brand name, mission, audience, values, archetype, and banned topics. Confirm the extraction with the user before proceeding.
- User answers to discovery questions (required for create mode and prose build).
- Existing brand content (optional but needed for brand-sourced anti-examples): past posts, pages, or copy that demonstrates the brand's current voice.
- Existing TONE.md plus target channel (required for adapt mode).
- Prose mode also accepts: a content corpus (folder of .md/.txt files or list of URLs; when present and over 50 pieces, audit runs before build so codification rests on empirical patterns), an existing PROSE.md (required for prose adapt), and a target channel grouping (required for prose adapt: long-form articles, social posts, email and newsletter, or marketing copy).
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago Changed · +26 lines · -6 tokens per session 6a1d8bd1b243
- 8d ago First seen · 70 lines · 56 tokens per session scan A 336f2885f488
copywriting-tone-of-voice-creator is a skill published in the GitHub repository OutlineDriven/outline-driven-development (52 stars, last pushed 6d ago), licensed Apache-2.0. It adds 50 tokens to every session and 5,296 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
Other skills, from other repositories
audit-project
Run an iterative multi-agent code audit until critical and high findings are resolved. Use when the user says "audit my code", "find all the bugs", "deep code audit", "iterative review", or "review until clean".
duet
Use when the user invokes /duet, says "pair with me", or faces aesthetic, architectural, or irreversible decisions.
goal-prompt-drafting
Use when asked to draft copy-ready /goal objectives for long-running agents; returns one normalized one-line objective with measurable end state, grounded proof, easy-out invariants, a stop clause, and a Missing list. Not for source or remote-system changes.
handoff-prompt
Use when the user asks for a handoff, delegation, or clipboard-ready prompt for another agent: a standalone path-free prompt copied to the clipboard, confirmed by title. Not for session-snapshot briefs — use handoff; never remote, credential, publish, deploy, or irreversible.
publish-branch
Use when asked to publish the checked-out branch: commit and push it on whatever branch it is, the default branch included. Not for creating branches, PRs, force pushes, or pushing any other branch; when the request excludes the default branch, use commit-push-current.
drill
Use when a concept needs practising rather than explaining: run a scaffolded exercise from worked example to independent problem, quiz the learner, run spaced recall over what they cleared, or probe for the gaps blocking what they want next. For explanation, use explain-concept; for an end-to-end build, use capstone.