LangGraph Harness is a self-hosted AI coding agent platform for GitLab, built with LangGraph. It reviews merge requests, resolves issues autonomously and chats with full project context, remembering what matters so every run builds on the last.
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The MR Review webhook fires on webhook events, reads the diff, drafts comments and publishes them, with no polling or manual triage.
Assign an issue and get a merge request back.
A React admin UI shows live runs, queue state and per-project analytics including reliability, guardrail health and comment acceptance rate.
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