> ## Documentation Index > Fetch the complete documentation index at: https://docs.depost.ai/llms.txt > Use this file to discover all available pages before exploring further. # Give chat the right context > Depost AI always writes from your brand, voice, and performance. Five more sources are yours to control — and Thinking or Fast decides whether it reads them. The quality of what chat gives back depends on what it's allowed to look at. Three things are always used. Five more are switched on by default and yours to turn off. ## Always used — you don't need to ask Three things are applied to every request automatically: Positioning, offer, audience, product context, and proof from your brand profile. Your brand voice and writing style. Which hooks, topics, formats, and CTAs have actually worked for you. You don't have to say "use my brand voice" — it's already on. Asking for it does no harm, but it isn't what makes the difference. If output doesn't sound like you, the fix is in [your brand voice settings](/chat/brand-voice), not in the prompt. ## The five you control Open **Use context from** below the message box — the icon to the right of **+**. You'll see five toggles: The Use context from menu open, showing toggles for Viral Posts, Bookmarks, Past Posts, Content Library, and Web Search, all switched on | Source | What it brings in | | ------------------- | ------------------------------------------------------------------------------------- | | **Viral Posts** | High-performing posts from your niche, broken down by hook, format and call to action | | **Bookmarks** | Examples and reference posts you've saved | | **Past Posts** | What you've already published | | **Content Library** | Your own documents — product notes, research, case studies | | **Web Search** | Current facts: market signals, pricing, trends, competitors | **All five start switched on.** You're not opting in — you're narrowing down. If output is drifting somewhere you didn't intend, the fix is usually turning something *off*. ## Thinking or Fast Next to the source picker is an **Effort** control — a brain icon for **Thinking**, a bolt for **Fast**. It decides whether Depost AI searches those sources at all. The Effort menu open below the message box, with Thinking selected and Fast beneath it | Mode | What you get | | ------------ | ------------------------------------------------------------------------------------------------------------------------------- | | **Thinking** | Best quality. Grounded in your content memory — your posts, what performed, and viral patterns — and answers cite real sources. | | **Fast** | Quickest. Skips the search, so answers are lower quality and mostly won't cite sources. | **Thinking is the default**, and the composer icon tells you which one is on without opening the menu. The control is on the new-chat screen too, so you can set it before your first message. The important part is that Fast doesn't read *less* — it reads **nothing**. Every source you picked above is ignored for that turn, and the answer comes from general knowledge instead of your material. A Fast answer can still read like a confident, well-sourced one. It isn't. If it matters whether a claim came from your own posts or performance, stay on Thinking — or check the Sources chip before you use it. Fast buys seconds, not minutes. It's worth it for throwaway questions and rephrasing, and rarely worth it for anything you're going to publish. ## Narrowing down More context is not automatically better. Each source pulls the output in its direction, so turn off the ones that don't match what you're asking for. Keep **Past Posts** — that's the material being analyzed. Turn off **Viral Posts** unless you want the analysis to compare you against what's working elsewhere. Leave most of it on. **Past Posts** stops it repeating you, **Bookmarks** and **Viral Posts** add range. Keep **Web Search** on if you want ideas tied to something happening now, off if you want evergreen ones. **Content Library** is the one that matters — it's what stops the draft being generic. Turning off **Viral Posts** here often helps, since it stops the draft drifting toward a format that isn't yours. Turn most of them off. The draft is the input, and your voice and performance are applied regardless. Extra sources tend to pull the rewrite away from what you wrote. Keep **Web Search** on. Without it, Depost AI works from your material and its own knowledge, so recent numbers, prices, and events won't be reliable. ## Checking what it actually used When Depost AI has grounded an answer, a **Sources** chip appears with it, carrying a count. Open it and you get the real material it read, grouped by where each piece came from: | | | | --------------- | ------------------------------------- | | **Viral Posts** | High-performing posts from your niche | | **Your Posts** | Things you've published | | **Bookmarks** | What you've saved | | **Library** | Your own uploaded material | | **Web** | Pages found by web search | The Sources panel, headed What was retrieved for this answer, with tabs for Viral Posts and Your Posts and a card per source showing the post, its reactions and comments, and a link to the original It opens headed **What was retrieved for this answer**, with a tab and a count per source type. Each card shows the author and their headline, the post itself, how it performed, and how long ago it was published, plus a link out to the original. Author names and photos are blurred in this screenshot. They're real LinkedIn creators, and the panel is being shown here to explain the layout rather than to point at anyone. This is the fastest way to answer three questions: whether a claim is actually backed by something, why the output leaned the way it did, and whether a source you were counting on turned out to be empty. No Sources chip usually means nothing was retrieved — either you were on **Fast**, or the sources you left on had nothing matching your request. Both are worth knowing before you publish what came back. ## Where context comes from Each source is only as good as what's behind it. If a source is switched on but empty, it contributes nothing: * **Past Posts** fills up as you publish through Depost AI and as your LinkedIn history syncs * **Bookmarks** is what you've saved — see [Inspiration](/inspiration/overview) * **Viral Posts** is maintained for you; nothing to set up * **Content Library** is what you've uploaded — see [Library](/library/overview) * **Web Search** needs nothing If an answer feels thin, check whether the source it should have drawn on actually has anything in it yet. A source can be switched on and still contribute nothing. A new workspace with an empty library gets generic output for the same reason a new notebook does. ## Related Starting a chat and what you can ask for. Bring a specific file into one request. Upload the documents that Content Library draws on. Build the bookmarks and creator list behind your saved examples.