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Codex Viz is a local-first dashboard for exploring your Codex CLI sessions. It indexes your local JSONL history and turns it into clear trends, token usage, tool insights, and a focused word cloud.

If you want fast answers to “what did I do”, “how much did it cost”, and “where did my time go”, this is the smallest tool that feels big.

Codex Viz 是一个本地优先的 Codex CLI 会话可视化面板。它只读取你本机的 JSONL 历史，快速生成趋势、Token 使用、工具洞察与输入词云。

你想知道“我最近都在做什么”“消耗了多少 Token”“哪些工具最常用”，这里一眼就能看到。

• 本地索引：SQLite 缓存，快速查询
• 趋势看板：会话、消息、工具、Token 趋势
• Token 统计：基于 event_msg.token_count 的 total_token_usage 增量累计，首条/重置时用 last_token_usage 兜底
  • Prompt(含缓存) = input_tokens；cached_input_tokens 为其中命中缓存的子集
• 词云：对 user 输入做轻量分词（英文词 + 中文 2/3-gram）
• 工具排行：Top 工具一眼可见

pnpm i
pnpm dev

打开 http://localhost:3000

• CODEX_SESSIONS_DIR：默认 ~/.codex/sessions
• CODEX_VIZ_CACHE_DIR：默认 ~/.codex-viz/cache

• 想追踪个人/团队在 Codex 上的投入与产出
• 需要快速复盘近期任务与工具使用偏好
• 希望用更直观的方式理解 Token 消耗

MIT License，详见 LICENSE。

Codex Viz is a local-first dashboard for Codex CLI sessions. It reads your JSONL history on your machine and turns it into trends, token usage, tool insights, and a focused user-input word cloud.

If you want to quickly answer “what I worked on”, “how many tokens I used”, and “which tools I rely on”, this gives you that at a glance.

• Local indexing with SQLite for fast queries
• Trend chart for sessions, messages, tools, and tokens
• Token accounting from event_msg.token_count using incremental total_token_usage
  • Prompt (incl. cache) = input_tokens; cached_input_tokens is a subset of it
• Lightweight word cloud from user input (EN tokens + ZH 2/3-gram)
• Top tools leaderboard

pnpm i
pnpm dev

Open http://localhost:3000

• CODEX_SESSIONS_DIR (default ~/.codex/sessions)
• CODEX_VIZ_CACHE_DIR (default ~/.codex-viz/cache)

• Track personal/team Codex usage and trends
• Review recent work and tool preferences
• Make token usage more tangible

MIT License. See LICENSE.

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