blog向けのopencode.json設定メモ

まとめ

blog用途のOpenCode設定はopencode.jsonに集約し、instructionを明示する
share: "disabled"で会話の共有を無効化しておくと安心

目的

OpenCodeの設定をblog向けに整理し、再現性のある形で残しておく。

設定

~/.config/opencode/opencode.jsonの例：

{
  "$schema": "https://opencode.ai/config.json",
  "instructions": [
    "~/.config/opencode/instructions/japanese.md",
    "~/.config/opencode/instructions/github.md"
  ],
  "share": "disabled",
  "keybinds": {
    "input_backspace": "backspace,shift+backspace,ctrl+h"
  },
  "permission": "allow",
  "plugin": ["oh-my-opencode@latest"]
}

instructionの中身

~/.config/opencode/instructions/japanese.md：

- Always respond in Japanese.
- Keep technical terms as-is, but explain briefly when needed.
- Write code comments in Japanese.
- Explain error messages and output results in Japanese.

~/.config/opencode/instructions/github.md：

- Always use `gh` CLI for GitHub operations (issues, PRs, reviews, etc.).
- Never use web scraping or manual URL construction for GitHub data.
- Prefer commands like: `gh issue view`, `gh pr view`, `gh pr checks`, `gh pr diff`, `gh pr edit`, `gh pr create`, `gh pr list`, etc.

ref

OpenCode Configuration