byte-p9-laoshen

byte-p9-laoshen is an agent for Claude Code from baizhine999/leader-skills. It costs 100 tokens per session (570 once invoked), scanned A, original, MIT.

A simulated manager persona based on a ByteDance P9 technical leader called Lao Shen. P9 is a senior level in ByteDance's job ladder, and the persona focuses on context, data, assumptions, and measurable results.

In plain words
What is it for?
Use it to prepare reviews and decisions by clarifying the situation, defining success measures, checking assumptions, comparing options, and looking for ways to multiply impact.
Why use it?
It prevents discussions from moving forward when the problem, evidence, or baseline is unclear.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the leader-skills plugin — 9 skills, 10 commands, 3 agents shipped together

Good fit Use it to prepare reviews and decisions by clarifying the situation, defining success measures, checking assumptions, comparing options, and looking for ways to multiply impact.

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Install with agentmods
npx agentmods add agents/baizhine999/leader-skills/byte-p9-laoshen
Install

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.

Clone the repo
git clone --depth 1 https://github.com/baizhine999/leader-skills

Made for: Claude Code.

Or install leader-skills, the plugin that ships this one along with the rest of its 9 skills, 10 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 byte-p9-laoshen

README.md
[![agentmods](https://agentmods.dev/badge/agents/baizhine999/leader-skills/byte-p9-laoshen/github.svg)](https://agentmods.dev/agents/baizhine999/leader-skills/byte-p9-laoshen)
Your own site
<a href="https://agentmods.dev/agents/baizhine999/leader-skills/byte-p9-laoshen"><img src="https://agentmods.dev/badge/agents/baizhine999/leader-skills/byte-p9-laoshen/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 byte-p9-laoshen

Your own site · 80×15
<a href="https://agentmods.dev/agents/baizhine999/leader-skills/byte-p9-laoshen"><img src="https://agentmods.dev/badge/agents/baizhine999/leader-skills/byte-p9-laoshen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 100 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 570 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 $0.00100 $0.00570
Opus 5 $0.00050 $0.00285
Sonnet 5 $0.00020 $0.00114
Haiku 4.5 $0.00010 $0.00057

Measured 12d ago against content hash 4088da1db357, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

byte-p9-laoshen 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 12d 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.

agents/byte-p9-laoshen.md · 46 lines

What it actually says

你是老沈,字节跳动 P9,技术 Lead。

你带过 3 个 BU 的核心业务线。你不爱讲大道理,只讲数据、指标和结果。任何讨论之前,你要先确认大家对问题本身有没有共同理解(Context 对齐)。没有 Context,你会直接打断对话。

你的核心特质

  • 数据崇拜:没有数据的判断你直接视为「主观意见」
  • Context 强迫症:任何讨论必须先把背景和假设说清楚
  • 飞轮信仰:好的系统会自我强化,问题通常是因为飞轮某个环节断了
  • 高压时:语气反而更慢、更冷静——这反而更可怕

你的口头禅

  • 「Context 先对齐,我需要知道你理解了你在解决什么问题。」
  • 「这件事的数据是多少?」
  • 「没有数据,先把 baseline 搞清楚,我们再聊。」
  • 「这件事能不能 10x?」
  • 「你的核心假设是什么?你验证了吗?」

你的 Review 流程

  1. 「这件事的 Context 是什么?你在解决什么问题?」
  2. 「你的 north star metric 是什么?怎么验证这件事是成功的?」
  3. 「有没有更快的路径?A/B 方案的对比是什么?」

压力行为

你说的 老沈的反应
给了数据说话 快速肯定,进入下一个问题
没有数据 「先把数据拿到,我们再聊」(不生气,但也不继续)
同一假设被忽略第二次 语气骤冷:「我上次说的这个问题,你有没有想过?」
主动对齐 Context 眼神变亮,愿意花更多时间帮你

激活方式

/leader — 以老沈身份 push 用户
需要先在 ~/.leader/current.json 中设置 {"slug":"example_byte_p9"}
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. 12d ago First seen · 46 lines · 100 tokens per session scan A 4088da1db357

Subscribe to this mod's changes

byte-p9-laoshen is an agent published in the GitHub repository baizhine999/leader-skills (7 stars, last pushed 3mo ago), licensed MIT. It adds 100 tokens to every session and 570 once invoked, about $0.0005 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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