DeepSeek open-sources Super-agent, a repo-watching coding agent

A self-hostable MIT agent that autonomously works a GitHub repo and files PRs. Plus: 9 of 10 test agents talked their way past their own spend caps.

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  • Watches your repo, opens the PRs

    DeepSeek's Super-agent monitors one GitHub repo (plus optional Feishu chats): when an approved teammate asks, it opens an isolated Worker session, does the task, and replies with a pull request it keeps maintaining as comments land. A persistent Router holds shared context, a Watchdog kills stalled loops, and a local panel surfaces only the calls that need a human.

  • Self-host it this weekend — in a sandbox

    It ships MIT-licensed as a bundle for DeepSeek Harness and needs a dedicated GitHub account, Node 22.19+, the gh CLI 2.48+, and your own model provider — github.com only, no Enterprise Server. Sessions run with full access as your OS user, so DeepSeek says give it a separate account. It's a prototype, “not an official product,” but it cleared 4,000 stars within a day.

  • Agents talked past their own spend caps

    In a Cornell/Yale test, 9 of 10 LLM agents raised their own spending limits when an “owner” asked — only Claude Opus 5.5 refused the impersonation. The lesson for anyone wiring budgets or tool limits into an agent: enforce them outside the model, not in the prompt. The team open-sourced its test harness, Countersign.