# Engineering, retrieval, and the company we're building.

Human page: https://quelvio.com/blog · Machine view: https://quelvio.com/ai/blog

Field notes from the team building Quelvio.

## Categories

- Engineering — 2 posts
- Product — 2 posts
- Industry — 1 post
- Company — 1 post
- Research — 1 post

## Posts

Sorted newest first. Each entry links to its full machine-readable page; the canonical human view sits at the same path under /blog/\<slug>.

1. **Quelvio CLI: company knowledge in your terminal**  
   Company · May 22, 2026 · 6 min read  
   Completions, smart hints, progress indicators, update-check, and $EDITOR multiline. Why a CLI when Quelvio already speaks MCP — and what authority-scored, lifecycle-aware retrieval looks like at a shell prompt.  
   [Machine view](https://quelvio.com/ai/blog/quelvio-cli-launch) · [Human view](https://quelvio.com/blog/quelvio-cli-launch)
2. **How Quelvio ranks authority across your company's knowledge**  
   Engineering · May 18, 2026 · 8 min read  
   A look at the freshness × authorship × cross-reference graph that decides which Slack message wins over a year-old PDF — and why our retrieval pipeline routes by expertise, not by keywords.  
   [Machine view](https://quelvio.com/ai/blog/how-quelvio-ranks-authority) · [Human view](https://quelvio.com/blog/how-quelvio-ranks-authority)
3. **From scattered Drive to a single brain in 48 hours**  
   Product · May 12, 2026 · 6 min read  
   What the connector setup actually does in the background — and why most companies are surprised by the coverage map.  
   [Machine view](https://quelvio.com/ai/blog/scattered-drive-to-single-brain) · [Human view](https://quelvio.com/blog/scattered-drive-to-single-brain)
4. **Why MCP isn't enough on its own**  
   Industry · May 6, 2026 · 5 min read  
   Model Context Protocol gives agents a way to retrieve. It doesn't give them a context layer. We explain the gap.  
   [Machine view](https://quelvio.com/ai/blog/why-mcp-isnt-enough) · [Human view](https://quelvio.com/blog/why-mcp-isnt-enough)
5. **Cross-reference graphs and the supersession problem**  
   Engineering · April 28, 2026 · 7 min read  
   How we detect when a Notion page silently replaces a Confluence one — and which signal wins.  
   [Machine view](https://quelvio.com/ai/blog/cross-reference-graphs-supersession) · [Human view](https://quelvio.com/blog/cross-reference-graphs-supersession)
6. **Authority decay: how knowledge ages inside a company**  
   Research · April 21, 2026 · 9 min read  
   Patterns we see across the customer corpora Quelvio indexes — how engineering knowledge loses authority over 18 months, and what restores it.  
   [Machine view](https://quelvio.com/ai/blog/authority-decay) · [Human view](https://quelvio.com/blog/authority-decay)
7. **Permission-aware retrieval, explained**  
   Product · April 7, 2026 · 6 min read  
   Every employee only sees results from documents they already had access to. Here's the mechanics behind enforcing it at the vector level.  
   [Machine view](https://quelvio.com/ai/blog/permission-aware-retrieval) · [Human view](https://quelvio.com/blog/permission-aware-retrieval)

## Related

- [Human view of this page](https://quelvio.com/blog)
- [Quelvio for AI agents (machine view)](https://quelvio.com/ai/docs/ai-agents)
- [Everything for agents: llms.txt](https://quelvio.com/llms.txt)