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Build a Source-Backed AI Knowledge Base for Agents

Build a source-backed AI knowledge base by connecting trusted sources, atomic knowledge, maintained LLM-wiki pages, citations, review, and refresh state.

Qi-Xuan LuUpdated 5 min read
Inspect the real app screens

About this guide

01

Concepts

02

Teams building a local AI knowledge base that agents and people can inspect

03

5 min read

01

Trusted sources remain separate from the knowledge derived from them.

02

Atomic knowledge preserves precise evidence before it becomes a page.

03

Maintained pages carry citations, review, revisions, and refresh state.

01

Quick answer

To build a source-backed AI knowledge base, keep trusted sources, atomic knowledge, and maintained LLM-wiki pages separate. Connect them with citations, review, revisions, and refresh state so agents retrieve current answers and people can inspect why those answers are trusted.

Wenlan separates Sources, Memories, and Pages. Pages retain source links, revisions, stale reasons, and review state so you can inspect what changed after a rebuild. Those records do not establish that the model preserved every number or exposed every source conflict.

02

When this problem appears

Raw document dumps and one-off summaries both decay. A dump makes agents search too much context; a detached summary can become stale without showing which source supported it or what should refresh it.

03

Build the smallest maintainable loop

Prove one topic end to end before importing a large archive.

  • Register or scope the trusted source that should support the topic.
  • Capture one atomic fact with its source and why it matters.
  • Distill only after a topic repeats or needs a reusable answer.
  • Open the page and inspect the source IDs behind its claims.
  • Run lint to find thin, stale, conflicting, or unsupported knowledge.
  • Curate revisions and refresh the page when its evidence changes.

Wenlan knowledge-base loop

/brief <topic>
/capture <fact + source + why>
/distill <topic>
/pages <topic>
/lint
/curate

04

What to check next

A maintained page is still a claim, not ground truth. Verify important conclusions against the cited source, and mark the page stale when the source or operating context changes.

Try the local memory loop

Install Wenlan, connect your AI client, and verify that capture, recall, and handoff work on your machine.

Inspect a citation and a proposed revision in Wenlan

These are real Wenlan app recordings using Tally, a demonstration invoicing project. Enlarge the screens to follow a source reference and inspect a proposed page revision.

1. Follow the SQLite claim back to its source

The wiki says Tally uses SQLite for a single-user app. The open citation shows the source titled ‘SQLite for Single-User App’, its summary, and an ‘Open memory’ action. Compare the sentence with that source before reusing the decision.

Recorded Wenlan Tally wiki with the SQLite citation open, showing the source summary and Open memory action.

Scroll or swipe to explore the enlarged image.

Open original
Tally demo recording: wiki page and source popover. A source link makes a claim inspectable; you still need to check whether the source supports it.

2. Read the proposed change before approving it

The Project notes revision removes the undecided database wording and proposes a SQLite decision. Added and removed text, an earlier version, and Skip / Approve controls are visible. Check the revised wording and its sources before choosing what to keep.

Recorded Wenlan Project notes revision with added and removed text, an earlier version, and Skip and Approve controls.

Scroll or swipe to explore the enlarged image.

Open original
Tally demo recording: a proposed page revision. This frame does not show an approved result or prove that every changed sentence is correct.

FAQ

Is an AI knowledge base the same as RAG?+
No. RAG retrieves source fragments at question time. A maintained knowledge base also keeps reusable answers, citations, review, and refresh state; it may use retrieval underneath.
Should I import every note before starting?+
No. Start with one repeated, high-value topic and prove its source, capture, distill, inspection, lint, and review loop before expanding.

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