A signal, not a name.
三组传输，同一频率。它们在各自的轨道上运行，却共享一个信号源。 Three transmissions, one frequency. Operating in distinct orbits, yet sharing a single origin.
终端里的 AI 编码代理。npm install -g @byfriends/cli，在项目目录里敲 byf 就能让它阅读仓库、编辑文件、执行命令。配置写在 ~/.byf/config.toml，一切在你本地。
Terminal-native AI coding agent. Run npm install -g @byfriends/cli and type byf in project root to inspect repos, edit files, and execute commands. Config lives in ~/.byf/config.toml — fully local.
Markdown 即产品——一套可组合的工程技能集。从 /think 脑暴到 /grill 挑战，从 /tdd 红绿重构到 /review 三视角审查，用结构化文档在 Agent 工作流里强制执行工程纪律。安装：npx skills add byronfinn/dev-skills。MIT 协议。
Markdown as code — a composable suite of engineering skillsets. From /think ideation to /grill stress-testing, /tdd refactoring to /review multi-angle auditing. Enforce discipline in Agent workflows. Install: npx skills add byronfinn/dev-skills. MIT licensed.
Daily Deep Think。Agent 面试题怎么筛出真干活的人、Trellis 如何给 AI 注入项目规范、PPT Agent 从调研到 SVG 出图的完整拆解，以及 Tmux、Oracle VPS 自建服务等实操记录。每一篇都经过自己跑过。 Daily Deep Think. Practical engineering essays: screening AI agent candidates, injecting project rules with Trellis, breakdown of PPT Agent to SVG, and hands-on Tmux / Oracle VPS self-hosting. Field-tested, zero fluff.
READ信号需要回声。在 BBS 留下你的问题、想法，或者只是打个招呼——这是站点为你留出的频率。 Signals need echoes. Leave your thoughts, questions, or just say hello on the BBS — a tuned frequency reserved for you.