Run the software development lifecycle as a team of semi-autonomous agents, with a named human approving at every phase gate.
gateline is an open-source framework for running the
software development lifecycle as a team of semi-autonomous agents, with named
humans approving at phase gates. Agents never share a conversation; they share
typed artifacts in git (a spec, a plan, work items, review and verification
reports), so the pipeline's state is the repository, and every decision,
finding, and cost lands in a durable, inspectable record. Gatehouse
is the web UI where humans review gate packets and record decisions; the
gateline CLI and the v1 orchestrator engine run alongside it, and
gateline up runs Gatehouse and the engine together over one clone.
It is built for engineers who already work with LLM coding assistants in a single chat stream and want the throughput of many agents without giving up accountable approval. You start human-orchestrated, driving each role by hand; autonomy increases along a measured trust ladder and stays gated on evidence: gate reviews that have become confirmations rather than corrections. A version number grants no autonomy.
The framework is at v0.3. The repository has been public since
2026-09-16, and v0.3.0 is its first tag. Published package
releases remain a later step.