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CROSS-CATEGORY: Product Hunt's Entire Top Four on September 5 Was Coding-Agent Infrastructure, Not Apps
The 2026-09-05 Product Hunt leaderboard ran dif.sh (353 upvotes, markdown feature flags a coding agent installs), Reflexio (278, behavioral learning for agents), Ponytail (214, make new code the last resort) and Hyperprobe (192, agents debug production without redeploying) in the top four slots. Not one is an end-user product; all four sell control, memory, restraint or observability for agents the buyer already runs. The first non-agent product is at rank five, and the same four head the StartupCorners digest for 2026-09-06.
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