Writing on AI architecture, retrieval, civic data tooling.https://xavierpuspus.com/en-ushttps://xavierpuspus.com/writing/who-i-am/https://xavierpuspus.com/writing/who-i-am/About me.Fri, 08 May 2026 00:00:00 GMThttps://xavierpuspus.com/writing/cloudwright/https://xavierpuspus.com/writing/cloudwright/What cloudwright generates from a one-line prompt and why it matters.Fri, 01 May 2026 00:00:00 GMThttps://xavierpuspus.com/writing/ai-workflow-benchmark/https://xavierpuspus.com/writing/ai-workflow-benchmark/100 tasks, sigmoid scoring, 12 capability dimensions. What the workflow benchmark actually measures.Sat, 25 Apr 2026 00:00:00 GMThttps://xavierpuspus.com/writing/kb-arena/https://xavierpuspus.com/writing/kb-arena/A side-by-side benchmark of seven retrieval strategies on user-supplied corpora.Wed, 15 Apr 2026 00:00:00 GMThttps://xavierpuspus.com/writing/paper-trail-ph/https://xavierpuspus.com/writing/paper-trail-ph/What you can see in a graph that you can't see across four separate systems.Sat, 28 Mar 2026 00:00:00 GMThttps://xavierpuspus.com/writing/ghostwatch/https://xavierpuspus.com/writing/ghostwatch/DPWH says the project is done. Sentinel-2 says nothing was built.Sun, 15 Mar 2026 00:00:00 GMThttps://xavierpuspus.com/writing/ph-civic-data-mcp/https://xavierpuspus.com/writing/ph-civic-data-mcp/An MCP server that puts Philippine civic data inside any agent.Sun, 01 Mar 2026 00:00:00 GMThttps://xavierpuspus.com/writing/airgap/https://xavierpuspus.com/writing/airgap/Why on-device LLMs make sense for regulated enterprise support, and what shipping one looks like.Fri, 20 Feb 2026 00:00:00 GMT