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Top open source AI projects are auto-closing external PRs and letting agent "software factories" write a third of merged code
Latent Space's 2026-09-01 essay documents Vercel's AI SDK, Astro, Flue and tldraw converging on the same policy: agents handle triage, reproduction, implementation and review, and humans only merge. AI SDK maintainers say their factory now authors between 25 and 35% of merged PRs and closes 70 to 80% of issues, against a backlog of over 1,000 open issues and nearly 800 PRs. Flue and tldraw go further and automatically close external pull requests, converting them into issues or discussions, because maintainers trust their own tuned agent configurations more than drive-by human contributions.
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