mcpField
W
why

why

github.com/yeachan-heo其他40.7k7 次安装今天更新
代码仓库

关于 why

依据证据调查代码为何如此设计，包括逐字引用人工裁定、追溯 git 历史、关联问题和事故记录；每项结论都标记为证据、推断或猜测。用于回答“为什么要这样构建”。

安装

复制下面的命令，在终端中运行。

$npx skills add https://github.com/yeachan-heo/oh-my-claudecode --skill why

安装后在 Claude Code 中输入/why确认已加载。

包含的文件

除 SKILL.md 外，安装时一起下载的参考资料和脚本。

references/
epistemics.md
investigator-prompt.md
source-playbooks.md
synthesizer-prompt.md

README 原文English

来自项目 README

README 暂无中文译文，以下为英文原文；中文介绍见上方。

Why

Answer "why is it like this?" from evidence, not vibes. The deliverable is a cited answer, not a fix; a fix that falls out of the answer goes through its own lane.

When to use

  • "why was this built this way", "why does this exist"
  • "are we sure about Z" before betting work on Z
  • "should we do X or Y" where the answer lives in history, not preference

Sources, in order of authority

  1. Human rulings. A decision a person made is quoted verbatim with attribution (commit message, issue comment, PR review, chat log). Never paraphrase a ruling into your own words; label agent interpretations as interpretations, and missing originals as missing. A copy of a ruling is not a new decision.
  2. Code archaeology. git log --follow, git log -S, blame on the deciding lines, and the diff that introduced them. Name the commit and what problem its message claims to solve.
  3. Linked records. Issues and PRs reachable from the code (references in commit messages, gh issue list --state all --search, PR review threads) — acceptance criteria and rejected alternatives live here.
  4. Incident and observability sources. When configured, query them through their own tools (Sentry, Datadog, Databricks, dashboards, incident postmortems) or MCP servers (Slack, Linear, Notion). Cite the alert, thread, ticket, or postmortem. If a source needs credentials you do not have, say so and move on.

Method

  1. State the question and what would count as an answer.
  2. Fan out source gathering to a read-only subagent when the history is long (oh-my-claudecode:explore); keep synthesis in the lead.
  3. Reconcile: where sources conflict, the more authoritative source wins, and the conflict itself is reported.
  4. Write the answer with three labeled tiers — evidence (cited), inference (your reasoning from evidence, marked), guess (marked). End with the one action the answer most supports, or "no action".

Rules

  • Every claim about a past decision names its source in the same sentence.
  • Absence of evidence is reported as "no record found", never as "no reason".
  • The answer never edits code. If the user asks to act on it, hand off to execute or debug.

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