Block Engineering Blog
engineering.block.xyz · Company blog · on HN since 2025
Block's engineering team writes about AI-assisted development, MCP tool design, Gradle builds, the Buzz agent app, and Coldcard firmware.
What HN saysHN commenters link it for the Buzz write-up and the layered tool pattern for MCP, which one commenter said they found useful.
16HN people shared it
3linked it in comments
14stories submitted
30story points
3 months agolast shared
2025people per year2026
Most-shared posts
- 1Buzz3 people · 3 points · first shared 2026 · discussion on HN
- 2The high cost of free testing2 people · 4 points · first shared 2025 · discussion on HN
- 3AI-Assisted Development at Block2 people · 2 points · first shared 2026 · discussion on HN
- 4Build MCP Tools Like Ogres with Layers2 people · 2 points · first shared 2025 · discussion on HN
- 5Shrinking Elephants: Managing large projects with Gradle1 people · 8 points · first shared 2025 · discussion on HN
- 6Learning from Jack Dorseys's approach to AI-assisted development1 people · 3 points · first shared 2025 · 1 comments on HN
- 7Predictable RNG Fallback and 32-Bit Reseed in Coldcard Firmware1 people · 2 points · first shared 2026 · discussion on HN
- 8A Buzz on Your Phone1 people · 2 points · first shared 2026 · discussion on HN
- 9Block's GenAI Security Principles1 people · 1 points · first shared 2025 · discussion on HN
- 10Projects in Buzz1 people · 1 points · first shared 2026 · discussion on HN
- 11How We Red-Teamed Our Own AI Agent: Lessons from Operation Pale Fire1 people · 1 points · first shared 2026 · discussion on HN
- 12CodeCrucible: A blueprint for LLM-driven SAST1 people · 1 points · first shared 2026 · discussion on HN
What HN people wrote when they linked it
tlongwell-block · 2026-07-21
Hi, folks
There's a brief write-up on Buzz here https://engineering.block.xyz/blog/buzz
ChrisArchitect · 2026-07-21
britannio · 2025-08-10
I discovered the "Layered Tool Pattern" a few days ago which exposes three tools to discover and execute an arbitrary number of service endpoints. https://engineering.block.xyz/blog/build-mcp-tools-like-ogres-with-lay…