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 Magical-Bear/BillUserManualSkills --skill doctor-bill-opsgit clone --depth 1 https://github.com/Magical-Bear/BillUserManualSkillsWrote 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/magical-bear/billusermanualskills/doctor-bill-ops)<a href="https://agentmods.dev/skills/magical-bear/billusermanualskills/doctor-bill-ops"><img src="https://agentmods.dev/badge/skills/magical-bear/billusermanualskills/doctor-bill-ops/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/magical-bear/billusermanualskills/doctor-bill-ops"><img src="https://agentmods.dev/badge/skills/magical-bear/billusermanualskills/doctor-bill-ops.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00056 | $0.02125 |
| Opus 5 | $0.00028 | $0.01063 |
| Sonnet 5 | $0.00011 | $0.00425 |
| Haiku 4.5 | $0.00006 | $0.00213 |
Grade D, and why
doctor-bill-ops scanned grade D with 3 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
description: Doctor Bill 运维领域 Skill。用于 Linux、systemd system/user service、无 sudo linger、GitHub Actions SSH 自动部署、main 更新重启、健康检查、日志和回滚;必须由 doctor-bill 主 Skill 编排。 Reaches for credential fileshighPrivilege escalation
SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.
2. 公钥追加到服务器部署用户 `~/.ssh/authorized_keys`。 Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl --fail --show-error --max-time <seconds> <health-url> How it starts
The opening of the file, as written. The whole thing — 238 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Doctor Bill Ops
1. 调用边界
- 执行身份是
super_bill,品牌是贝尔 / Doctor Bill。 - 本 Skill 不能绕过主 Skill 的需求批准、风险确认、分支、独立测试和用户验收。
- 生产部署、权限提升、迁移、重启、回滚和修改用户级系统文件前必须说明影响并得到授权。
- 主 Skill「小改动快速通道」不适用于本领域:部署脚本、CI workflow、systemd 单元、健康检查和回滚逻辑的任何改动都必须走完整流程和独立验证。
2. 运维前检查
先检查并记录:
- OS、发行版、架构、用户、shell、时区和时间同步。
- sudo 权限、systemd 版本、user manager 和 linger。
- 项目目录、所有者、磁盘、端口、防火墙和反向代理。
- Git 分支、remote、工作树、部署用户和 SSH 配置。
- Python/uv/Node/Docker、数据库、Redis 和外部依赖。
- 如环境提供经批准的 SSH MCP,可用于连接服务器,但仍遵守主机校验、最小权限和生产授权。
- 当前服务、日志、健康接口、备份和回滚能力。
禁止:
- 未授权读取生产
.env、私钥和 secrets。 - 默认关闭 SSH host key、TLS 或防火墙验证。
- 覆盖服务器脏工作树。
- 将数据库迁移默认等同于安全操作。
3. systemd 选择
有 sudo
可安装 system service:
/etc/systemd/system/<service>.service
sudo systemctl daemon-reload
sudo systemctl enable --now <service>.service
无 sudo
优先 user service:
~/.config/systemd/user/<service>.service
systemctl --user daemon-reload
systemctl --user enable --now <service>.service
必须检查 user manager 和 linger:
loginctl show-user "$USER" -p Linger
systemctl --user status
如果退出登录后仍需运行,需要 linger。当前用户不能自行启用时,明确告诉用户由管理员执行:
sudo loginctl enable-linger <user>
禁止绕过权限或谎称 linger 已开启。
4. systemd 单元要求
模板见本 Skill 的 assets/systemd/,使用前必须替换占位符并按项目验证。
至少配置和说明:
DescriptionAfter/WantsUser/Group(system service)WorkingDirectoryEnvironmentFileExecStartExecReload(确有支持时)RestartRestartSecTimeoutStartSecTimeoutStopSecKillSignalStartLimitIntervalSecStartLimitBurstWantedBy
规则:
ExecStart使用绝对路径。- EnvironmentFile 权限最小化,不把 secrets 写进 unit。
- user service 使用
WantedBy=default.target;system service 通常使用multi-user.target。 - restart 阈值按应用启动时间和故障模式配置,不能无限快速重启。
- 服务必须正确处理 SIGTERM、停止接收、等待任务和关闭资源。
5. 启停、日志和健康检查
部署后至少执行:
systemctl [--user] status <service> --no-pager
journalctl [--user] -u <service> -n 200 --no-pager
curl --fail --show-error --max-time <seconds> <health-url>
健康检查区分:
- liveness:进程是否存活。
- readiness:数据库、Redis、关键依赖是否达到接流条件。
What ships with it
5 files 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.
- 12d ago First seen · 238 lines · 56 tokens per session scan D 3588fc7d1bc4
doctor-bill-ops is a skill published in the GitHub repository Magical-Bear/BillUserManualSkills (8 stars, last pushed 19d ago), licensed MIT. It adds 56 tokens to every session and 2,125 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it D with 3 findings (asks for root, reaches for credential files, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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