persona-new

persona-new is a skill for Claude Code from atman-33/workhub. It costs 52 tokens per session (1,002 once invoked), scanned A, original, MIT.

A skill for creating a new persona, meaning a defined character and speaking style for an AI assistant, from a template and saving it in the user's Claude configuration.

In plain words
What is it for?
Adding a character with a chosen name, voice, speech habits, status badge, and three response levels to Claude.
Why use it?
It provides a documented process for collecting the persona details and storing them in the correct user-level location, including rules for names and required sections.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: reads .claude/ paths.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the persona plugin — 8 skills, 8 commands, 3 agents shipped together

Good fit Adding a character with a chosen name, voice, speech habits, status badge, and three response levels to Claude.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add atman-33/workhub
Claude Code
/plugin install persona

Made for: Claude Code.

Or install persona, the plugin that ships this one along with the rest of its 8 skills, 8 commands, 3 agents.

Wrote 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.

agentmods badge for persona-new

README.md
[![agentmods](https://agentmods.dev/badge/skills/atman-33/workhub/persona-new/github.svg)](https://agentmods.dev/skills/atman-33/workhub/persona-new)
Your own site
<a href="https://agentmods.dev/skills/atman-33/workhub/persona-new"><img src="https://agentmods.dev/badge/skills/atman-33/workhub/persona-new/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.

agentmods 80×15 button for persona-new

Your own site · 80×15
<a href="https://agentmods.dev/skills/atman-33/workhub/persona-new"><img src="https://agentmods.dev/badge/skills/atman-33/workhub/persona-new.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,002 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00052 $0.01002
Opus 5 $0.00026 $0.00501
Sonnet 5 $0.00010 $0.00200
Haiku 4.5 $0.00005 $0.00100

Measured 10d ago against content hash 664ea0c44a17, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

persona-new 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 10d 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.

plugins/persona/skills/persona-new/SKILL.md · 70 lines

What it actually says

persona-new

新しいキャラクターを作り、~/.claude/personas/<id>/character.md に保存する。

保存先は必ずユーザー層

プラグインは ~/.claude/plugins/cache/<marketplace>/persona/<version>/バージョン別ディレクトリで展開される。プラグイン配下の characters/ に書くと 次の更新で引き継がれず失われる。

  • 書き込み先: <CLAUDE_CONFIG_DIR>/personas/<id>/character.mdCLAUDE_CONFIG_DIR 未設定なら ~/.claude/personas/<id>/character.md
  • プラグイン配下には絶対に書き込まない

手順

  1. id を決める 引数で渡されていればそれを使う。英小文字・数字・ハイフン・アンダースコアのみ、 32文字以内。既存 id と重複する場合は、標準キャラクターの上書きになることを ユーザーに伝え、意図を確認する。

  2. テンプレートを読む ${CLAUDE_PLUGIN_ROOT}/characters/_template/character.md を読み、構造を把握する。 他のキャラクターの character.md は読まない(コンテキストの無駄になる)。

  3. 必要な情報を集める ユーザーに一度だけまとめて聞く。答えが得られたものだけ使い、足りない分は こちらで妥当な案を埋めてから確認を取る。

    • キャラクター名と出典(オリジナルなら original
    • 一人称・二人称
    • 敬語を使うか
    • 語尾の癖、口癖
    • statusline のバッジ表示名(短く、4文字程度まで)
    • 3レベルそれぞれの表示名
  4. character.md を書く テンプレートの構造を守る。特に:

    • frontmatter はフラットな key: value のみ。ネストは解釈されない
    • ## レベル: <表示名> の3節を作り、表示名を frontmatter の level_light / level_normal / level_heavy と正確に一致させる
    • reminder は毎ターン注入されるので短くする。口調の核心と 「コード/コミット/PR は通常記述」を含める
    • 各レベルに具体的な応答例を1つずつ書く。例が無いと口調が安定しない
    • 標準キャラクターを複製した場合は based_on: <id>@<version> を記録する
  5. 既存作品のキャラクターを元にする場合の注意をファイルに残す セリフの逐語引用を避け、口調の特徴のみを記述する。 物語の設定・登場人物・地名を技術的な会話に持ち込まない。

  6. 結果を報告する 保存先のパスと、/persona <id> で切り替えられることを伝える。 新しいキャラクターは次回のセッション開始時から完全な形で有効になる (フックは SessionStart で定義を読み込むため)。このセッションで試すには /persona <id> を実行すると、リマインダ経由で暫定的に適用される。

禁止

  • 既存の character.md を、ユーザーの明示的な指示なく上書きしない
  • 標準キャラクター(プラグイン配下)を直接編集しない。調整したい場合は 複製してユーザー層に置く
Changes

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.

  1. 10d ago First seen · 70 lines · 52 tokens per session scan A 664ea0c44a17

Subscribe to this mod's changes

persona-new is a skill published in the GitHub repository atman-33/workhub (2 stars, last pushed today), licensed MIT. It adds 52 tokens to every session and 1,002 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 2026-08-31.

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