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在 OpenClaw 中安装
/install ticketmax
功能描述
Print markdown files to an ESC/POS thermal receipt printer over TCP, USB, or serial. Supports headings, bold, underline, tables, images, QR codes, paper cuts...
安全使用建议
This skill appears coherent and does what it says: it runs a CLI to print markdown to ESC/POS printers. Before installing, consider: (1) `go install` will fetch and build code from the GitHub repo — review the upstream source or pinned version if you need high assurance; (2) the binary will be able to access device paths (e.g., /dev/ttyUSB0) and network printer addresses — avoid setting PRINTER_ADDR to sensitive network endpoints; (3) printing may reveal confidential text you pipe into it, so confirm outputs before printing. If you require stronger supply-chain guarantees, install from a reviewed release or vendor-provided binary rather than `@latest`.
功能分析
Type: OpenClaw Skill
Name: ticketmax
Version: 0.1.3
The ticketmax skill is a utility designed to print markdown files to ESC/POS thermal printers via TCP, USB, or serial connections. The bundle includes standard installation instructions using 'go install', clear usage documentation in SKILL.md and README.md, and several benign markdown examples for receipts and reports. No indicators of data exfiltration, malicious execution, or prompt injection were found, and the requested permissions (network/device access) are strictly necessary for the tool's stated hardware-interfacing purpose.
能力评估
Purpose & Capability
Name, description, required binary (ticketmax), and required env var (PRINTER_ADDR) all match the stated goal of sending output to an ESC/POS printer over TCP/USB/serial.
Instruction Scope
SKILL.md instructs the agent to run the ticketmax CLI, set PRINTER_ADDR, and pipe markdown into the tool. It does not request reading unrelated files or additional environment variables, nor does it direct data to unexpected external endpoints.
Install Mechanism
Install uses `go install github.com/yatesdr/ticketmax@latest` which will fetch and compile code from the project's GitHub. This is a normal install path for a Go CLI, but it does execute remote source at build time — a standard supply-chain consideration. The host (github.com) is a well-known release host.
Credentials
Only PRINTER_ADDR is required (primaryEnv). That is proportionate to a tool that needs the printer device or network address. No unrelated secrets or config paths are requested.
Persistence & Privilege
Skill is not always-enabled and does not request elevated or cross-skill configuration. It only requires a binary and an env var; autonomous invocation is allowed but is the platform default and not combined with other red flags.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install ticketmax - 安装完成后，直接呼叫该 Skill 的名称或使用
/ticketmax触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v0.1.3
- Downgraded version number from 0.2.0 to 0.1.3 in documentation.
- No changes to functionality or usage; SKILL.md content remains the same except for the version update.
v0.2.0
- Added support for printing over USB and serial connections, in addition to TCP.
- Updated environment variable `PRINTER_ADDR` to accept device paths for USB and serial printers.
- Introduced the `-baud` flag for configuring serial baud rate.
- Improved documentation with examples for TCP, USB, and serial setup.
- Changed default paper width (`-width`) from 42 to 46 characters.
v0.1.2
No user-facing changes in this release.
- Version bump to 0.1.2 with no modifications to documentation or code.
v0.1.1
- Adds comprehensive documentation for using ticketmax to print markdown files to ESC/POS thermal printers over TCP.
- Details environment setup, command usage, and all supported markdown features.
- Documents key command-line flags and their defaults.
- Includes detailed syntax mapping for printing headings, bold/underline, tables, images, QR codes, and printer control commands.
- Provides practical usage examples for both file-based and stdin-based printing.
元数据
常见问题
Ticketmax 是什么？
Print markdown files to an ESC/POS thermal receipt printer over TCP, USB, or serial. Supports headings, bold, underline, tables, images, QR codes, paper cuts... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 118 次。
如何安装 Ticketmax？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install ticketmax」即可一键安装，无需额外配置。
Ticketmax 是免费的吗？
是的，Ticketmax 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
Ticketmax 支持哪些平台？
Ticketmax 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Ticketmax？
由 yatesdr（@yatesdr）开发并维护，当前版本 v0.1.3。
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