AI Document Search Chatbot for WordPress
SleekAI uses OpenAI Files as a vector store for PDFs and long-form docs, alongside live grounding from your WordPress posts. Visitors get a paragraph and a page reference instead of a list of files. Bring your own OpenAI, Anthropic, Google, or OpenRouter key.
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Document libraries are write-only by default
Every team with a serious document library has the same artifact: a media folder of PDFs, a download archive, and a search box that does nothing for the content inside the files. Visitors and staff click through three filenames before guessing which one might have the answer. The library is a write-only store: the team adds documents, nobody reads them, and the content sits in a 200-page PDF for years without ever surfacing the paragraph that matters.
SleekAI changes the contract. The plugin indexes PDFs into an OpenAI Files vector store, up to 1 GB per file, alongside live grounding from your WordPress posts and ACF fields. When a visitor asks a question, the bot retrieves the right passage from the right document, replies in a paragraph, and cites the document and page. The reading shifts from clicking files to asking questions, which is the only reason a document library ever existed in the first place.
Conversation logs reveal which documents get cited the most, which questions return weak grounding, and which PDFs nobody has ever pulled an answer from. That data is the editorial backlog the document library has never produced, and it is what turns a static archive into a knowledge surface that earns its keep.
Workflow
How SleekAI indexes and answers from documents
Upload to the vector store
Pair with live grounding
Write the citation rule
Mine the citation log
Try it now
Search your documents in conversation
Comparison
Generic chatbot vs SleekAI for document search
Generic chatbot
- Cannot read inside PDFs or long docs
- Returns filenames instead of paragraphs
- No citation back to source page or section
- No scope by post type, taxonomy, or document set
- No log of which documents drive useful answers
SleekAI chatbot
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OpenAI Files vector store, up to
1 GBper file - Live grounding from posts and ACF alongside the vector store
- Bring your own OpenAI, Anthropic, Google, or OpenRouter key
- Replies cite the document name and page or section
- Logs the retrieved passage and the answer for review
Features
What SleekAI gives you for AI Document Search
Reads inside PDFs
Upload PDFs and long-form documents to the OpenAI Files vector store from the SleekAI admin. Each file gets chunked, embedded, and made retrievable. Up to 1 GB per file covers all but the largest policy archives.
Scoped retrieval
Group documents by purpose so the policy bot only retrieves from the policy set, and the compliance bot only retrieves from the compliance set. Multibot keeps the two scopes from leaking into each other.
Citation logs
Every answer is logged with the document name, the retrieved passage, and the model reply. Filter for weak grounding to find the questions the library doesn't answer and the documents that need a rewrite or an update.
Use cases
Where SleekAI replaces document search
Compliance libraries
Audit teams ask plain-language questions and get the policy paragraph plus the citation. The reading shifts from skimming 60-page PDFs to asking questions, which is what compliance libraries are for in the first place.
Research archives
Universities and policy think tanks index reports and working papers into the vector store. Visitors ask topic questions and get the right report with the relevant page, instead of a filename grid sorted by year.
Legal and HR docs
Staff query handbooks, NDAs, and benefits PDFs without paging HR or legal. The bot only retrieves from documents the role is allowed to see, scoped via display conditions and the per-bot document set.
The bigger picture
Why a document chatbot earns the archive its keep
Document libraries have always been the most expensive write-only artifact in any organisation. Compliance teams spend weeks producing a policy document, design teams spend days laying it out, the IT team uploads it to the intranet, and then nobody ever reads it again. The reading layer has always been the bottleneck, because asking a 60-page PDF a question requires either reading the PDF or having the one person who wrote it on call.
AI document search collapses that bottleneck. The library stops being a write-only store and starts being a knowledge surface. A compliance officer can ask a coverage question and get the right paragraph in seconds, instead of paging through the PDF or pinging the policy author.
A new hire can ask the handbook a question and get a cited answer, instead of asking a colleague who would rather not be the human help desk. A research analyst can ask a paper a topical question without re-reading every appendix. The structural change is bigger than the productivity gain: the library finally becomes interrogable, which means the team can write better documents, because the questions the library doesn't answer well show up in the log.
That feedback loop is what document libraries have always lacked. The redesign of the intranet was never the missing piece. The interrogability of the content was.
SleekAI is the path to making the existing archive answer questions, without rebuilding it, without migrating to a new platform, and without standing up a vector database team to do it.
Questions
Common questions about SleekAI for AI Document Search
SleekAI uploads PDFs and long-form files to OpenAI's Files API, which handles chunking, embedding, and retrieval as a managed vector store. You do not run your own vector database. The trade-off is you depend on OpenAI for that piece; the upside is you don't have to operate a Pinecone or Weaviate cluster to make this work.
 For pure WordPress content (posts, ACF, taxonomies), no vector store is needed. The bot grounds live from the database on each request. For long PDFs, the OpenAI Files vector store is the supported path today. Other vector stores may arrive over time; for now, plan accordingly if your privacy posture excludes OpenAI.
 Yes, when the retrieved passage includes page metadata. Instruct the bot in the system prompt to cite the document name and page or section heading. Some PDFs preserve page numbers cleanly, others lose them in extraction; in the latter case the bot will cite the document and the section title instead.
 Up to 1 GB per file in the OpenAI Files vector store. That covers nearly all policy archives, technical manuals, and research papers. For very large datasets, split logically by topic or year so the retrieval scope per question stays focused.
 Yes. Group documents into separate vector stores per bot, then restrict each bot to a role via display conditions. The compliance bot can be admin-only, the public docs bot can be open. Roles map to the same WordPress user accounts you already manage; SSO and SAML logins flow through unchanged.
 Re-upload the new version through the SleekAI admin. The old version can be archived or kept alongside if you need a historical reference. Most teams keep the latest version live and archive previous versions with a date suffix for audit trails.
 OCR-quality PDFs work well. Scanned PDFs without an OCR layer extract poorly because the text isn't there to chunk. Run them through an OCR tool first; modern OCR is good enough that the indexing step won't be the weak link. Image-only legacy docs are the one category that needs preprocessing.
 OpenAI Files is a competent general-purpose retrieval surface. For most WordPress sites and document libraries it covers the use case. If you need fine-grained chunking strategies, custom embedding models, or hybrid search, a dedicated RAG stack will be more flexible. SleekAI is the right call when keeping everything in WordPress is the priority.
 Pricing
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