有人开发过一个能够同步和索引数据的电子邮件或日历助手吗？
我一直在探索构建一个简单的电子邮件和日历助手所需的条件，该助手能够连接到 Gmail 和 Google 日历。目标是使用户能够以有用的方式轻松搜索和处理自己的数据。
我仍在尝试弄清楚的部分是，实际上需要同步和索引多少数据。有些工具似乎只是按需调用 API，而另一些则将所有数据保存在本地或向量存储中，以便更快地检索。
如果你曾经构建过类似的东西：
- 你是否考虑过同步和索引数据，还是仅仅查询实时 API？
- 在不触及速率限制的情况下，保持数据更新有多困难？
- 你是否使用过像 Merge.dev 或 Composio 这样的工具，还是自己全部搭建？
我主要想了解在深入之前，实际的权衡是什么。
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I’ve been exploring what it takes to build a simple email and calendar assistant that connects to Gmail and Google Calendar. The goal is to make it easy to search and reason over your own data in a useful way.<p>The part I’m still trying to figure out is how much data actually needs to be synced and indexed. Some tools seem to just call APIs on demand, while others keep everything in a local or vector store for faster retrieval.<p>If you’ve built something like this:<p>- Did you bother syncing and indexing the data, or just query live APIs?<p>- How painful is it to keep that data fresh without hitting rate limits?<p>- Did you use something like Merge.dev or Composio, or just wire it all up yourself?<p>I’m mostly trying to understand what the practical tradeoffs are before going too deep.