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LineBreak Gate
The CI gate that says no to unapproved AI code
AI writes your code now. linebreak-gate is a free, git-only CI gate that blocks PRs carrying known CVEs (fail-closed) and serves human-APPROVED acceptance criteria to Claude Code/Cursor/Codex over MCP, read-only to the agent. No server, no account. The paid tier signs every approval (Ed25519, tamper-evident) so "who approved this merge?" always has an answer an auditor accepts.
Hey PH 👋 Solo founder here (Honduran engineer in Texas, 25+ years building for publicly traded companies + US defense supply chains).
I built this because of one question nobody could answer: when an AI agent writes half your code, who approved each change, and can you prove it?
The three big labs all shipped AI code scanners this year. They FIND problems. None of them will refuse a merge, and none records who said yes. linebreak-gate is the enforcement half: a fail-closed gate in CI (if the scanner crashes, it fails closed, never shrugs) plus acceptance criteria a named human signs. Your agents read the spec over MCP and can check their own work, but structurally cannot edit what a human approved.
The gate is free forever, git-only, no account: uv tool install linebreak-gate, ~10 minutes to your first gated PR. How we eat: signed, offline-verifiable approvals for teams that answer to auditors ($99/mo per team).
Everything ships through its own gate (dogfooding is the whole point). I'll be here all day: ask me anything, especially the hard stuff.
About LineBreak Gate on Product Hunt
“The CI gate that says no to unapproved AI code”
LineBreak Gate was submitted on Product Hunt and earned 7 upvotes and 1 comments, placing #54 on the daily leaderboard. AI writes your code now. linebreak-gate is a free, git-only CI gate that blocks PRs carrying known CVEs (fail-closed) and serves human-APPROVED acceptance criteria to Claude Code/Cursor/Codex over MCP, read-only to the agent. No server, no account. The paid tier signs every approval (Ed25519, tamper-evident) so "who approved this merge?" always has an answer an auditor accepts.
On the analytics side, LineBreak Gate competes within Open Source, Developer Tools and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how LineBreak Gate performed against the three products that launched closest to it on the same day.
Who hunted LineBreak Gate?
LineBreak Gate was hunted by Vladimir López. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of LineBreak Gate including community comment highlights and product details, visit the product overview.
Vladimir López