@online{keles2026closing, author = {Alperen Keles}, title = {Closing the verification loop: Observability-driven harnesses for building with agents}, year = {2026}, url = {https://alperenkeles.com/posts/harness-first-agents/}, note = {Archived at \url{https://web.archive.org/web/https://alperenkeles.com/posts/harness-first-agents/}} }