Buildwhat: 만들 가치가 있는 스타트업 아이디어, 매일 선별

아이디어

매일 Hacker News 토론에서 생성해 심판대에 올립니다. 대부분 탈락합니다.

3/16생존

  1. 25검토한 스토리
  2. 6정독
  3. 16제안된 아이디어
  4. 3살아남음

최근 생존: 2026년 10월 12일 월요일

#1✓ 생존
6.410점 만점
7고통6지불9시기6공백5해자5구현

리테일 냉장 컨트롤러 함대를 위한 보안 모니터링

에이전트 없이 동작하며 슈퍼마켓 냉장 컨트롤러(Danfoss AK/CC, Carel)를 모니터링하고 공격을 탐지해, 식품이 상하기 전에 디프로스트 공격 유형의 침입을 잡아내는 솔루션입니다.

탈락 13

  • Risk-tiered review gates for agent-generated pull requests5.5

    CodeRabbit, Greptile, and Graphite are all racing toward risk-tiered auto-merge with the same 2026 study as their pitch deck, making this a crowded feature war with no durable differentiation.

  • Fixed-fee LLM contract redlining for SMBs5.1

    AI-plus-fixed-fee-lawyer contract review is exactly Robin AI's (and LawGeex's, and a dozen legal-services startups') model, and one HN user redlining his own vendor contracts in Claude is not a market.

  • Hallucination-proof legal research for small jurisdictions5.0

    vLex Vincent already covers small jurisdictions with verified citations and Lexis+ AI ships hallucination-checked citations, so the 'incumbents ignore small jurisdictions' gap is mostly asserted rather than demonstrated.

탈락한 13개 모두 보기
  • Intent provenance and accountability for AI-authored code4.9

    No compliance lead is yet asking auditors 'who vouched for this agent's intent' — the evidence is philosophical comments about accountability, and SLSA/in-toto provenance plus a CODEOWNERS checkbox covers what buyers will actually accept.

  • Dual-leg plug-in home battery for US 120/240V4.9

    The demand evidence is a single commenter wishing for this product, and a UL-certified dual-leg power-electronics hardware launch is a capital-heavy bet EcoFlow or Anker can flank from their existing lines at will.

  • Managed secure remote access for legacy refrigeration controllers4.8

    Tosibox and carrier private-APN offerings already sell managed OT remote access, and the strongest evidence in the thread is a sarcastic comment explaining why the exact buyer won't deploy or pay for this.

  • Correctness checks for LLM-written geospatial code4.8

    The evidence is two comments about CRS mistakes; geospatial correctness linting is an open-source pyproj/geopandas companion library, not something analysts at utilities will pay $50-200/seat/mo for.

  • Plug-in solar compatibility and permitting checker4.8

    Buyers expect this guidance free from kit retailers and nonprofits like Bright Saver, making this an SEO affiliate-content site with a $20 report nobody pays for, not a product.

  • Sandboxed version-pinned launcher for AI coding CLIs4.7

    All the evidence is one HN thread of power users who already solved this with free DIY tools (docker, bubblewrap, srt), and Anthropic's own sandbox-runtime plus vendor changes will absorb the demand before anyone pays $10-25/dev/mo for a wrapper.

  • Asset inventory and exposure scanner for store controllers4.6

    Asset inventory plus model-to-CVE mapping is a Shodan query and a runZero feature request away, so this is a thin feature the incumbents add the moment the vertical looks interesting.

  • Fleet update control and audit for AI coding agents4.4

    This is endpoint inventory/policy, which Jamf/Kandji and VSCode enterprise policy will extend to cover as a feature, and the entire evidence base is a handful of annoyed users in one thread rather than any security lead asking to buy it.

  • Managed engineering guidance layer for coding agents4.4

    Curated CLAUDE.md/Cursor rules are free markdown maintained by the same staff engineers who'd be the buyer, and rule-linting is a feature Cursor or the agent vendors ship themselves.

  • Minimal declarative harness manager for AI coding tools4.2

    The named buyer is a Nix/dotfiles hobbyist who by definition hand-rolls this for free and will never pay $5-15/mo, making this a dotfiles plugin rather than a company.

런칭

모든 Show HN 런칭을 사람들이 쓰거나 돈을 낼지 기준으로 평가합니다.

164평가 완료

17강력

A day dominated by coding-agent tooling, with the most traction going to free local-first consumer apps like Sayso dictation and Pulse Local budgeting rather than anything agentic.

  1. 6.0

    SaysoStrong20 pointsgithub.com

    Free open-source local dictation for Mac, Windows and Linux.

    Privacy-minded users avoiding paid dictation tools get a free cross-platform option. The 20 points and 8 comments show real interest for a no-cost tool.

  2. 5.6

    Pulse LocalSolid104 pointspulseos.finance

    Mac budgeting app whose AI models run entirely on-device.

    Users wary of cloud finance apps get a genuinely differentiated privacy-first option. 104 points and 66 comments is the strongest traction of the day.

  3. 6.6

    ChiplabStrong1 pointveecle.ai

    Gives AI agents access to virtual hardware for embedded development.

    Embedded and firmware teams have a real pain here, and virtual hardware for agents is a novel angle if simulation fidelity holds.

  4. 6.5

    OpenMCXStrong3 pointsopenmcx.com

    Open-source 3GPP mission-critical communications stack.

    Fills a genuine gap for telecom researchers and testers with no existing open-source option. Narrow but real demand.

  5. 6.5

    PippinStrong2 pointsgithub.com

    Lets Linux users screen-share into macOS without server installs.

    Solves a concrete, technical pain for Linux users remoting into Macs. Clear audience with no good existing path.