https://nordicdata.cloud/blog/four-layer-contact-enrichment https://nordicdata.cloud/og/four-layer-contact-enrichment.png Four layers to get one verified phone number — Nordic Data How we lifted contact-fill rates from 23% to 81% on Norwegian companies https://nordicdata.cloud/blog/anti-hallucinated-executives https://nordicdata.cloud/og/anti-hallucinated-executives.png Stop your LLM from inventing the CFO — Nordic Data Nine anti-hallucination rules for AI web search https://nordicdata.cloud/blog/mcp-server-design https://nordicdata.cloud/og/mcp-server-design.png 28 MCP tools for Norwegian business data — Nordic Data What we shipped, what we cut, what we wish we had https://nordicdata.cloud/blog/joining-on-orgnr https://nordicdata.cloud/og/joining-on-orgnr.png Joining five Norwegian datasets on the organisation number — Nordic Data Schemas, refresh cadences, and the edge cases that bit us https://nordicdata.cloud/blog/chrome-extension-five-platforms https://nordicdata.cloud/og/chrome-extension-five-platforms.png One Chrome extension, five Norwegian accounting platforms — Nordic Data OpenAPI-driven field mapping, multi-candidate DOM selectors https://nordicdata.cloud/blog/two-bugs-the-test-harness-caught https://nordicdata.cloud/og/two-bugs-the-test-harness-caught.png Two bugs the test harness caught in its first run — Nordic Data Why writing tests before the first OAuth integration is non-negotiable