Indie dev builds 6-month AI agent verification layer, gets zero signups

harleenkh · hn · 2026-10-22

An indie developer shares a postmortem on HN: after 6 months building Linden, a low-latency deterministic layer that verifies AI agent outputs before they trigger real-world actions — evaluating them against expected schemas, trusted data, and business rules to allow, flag, regenerate, block, or route to human review — go-to-market has completely stalled.

Cold email outreach failed, and a professional demo published across multiple platforms drove zero signups. The author's puzzle: plenty of articles discuss this exact problem, so why is nobody willing to try the solution? A candid look at the classic build-first, demand-later trap in the AI agent tooling space.

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