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This study investigates the impact of AI agents, specifically bots, on the organizational dynamics of open-source software projects by analyzing 2,991 GitHub repositories over two years. The findings reveal that bot adoption leads to increased repeated collaboration, enhanced recognition of bots in discussions, reduced conflict cascades, and more distinctive outputs, suggesting that bots can strengthen social structures within teams. Notably, these changes occur rapidly around the time of bot adoption, indicating a significant shift in group dynamics rather than a gradual evolution.
Bot adoption in open-source projects not only enhances collaboration but also reduces conflicts, fundamentally reshaping team dynamics.
AI agents are joining human teams, raising a basic question: when an automated agent becomes a regular participant, does group organization strengthen or weaken? We study this question in open-source software, where bots open pull requests, review code, and merge changes alongside people, leaving a public record of every interaction. Treating bots as participants rather than tools, we examine 2,991 GitHub projects for two years before and after each adopted its first bot. We measure three capabilities that institutional theory links to durable coordination - repeated engagement, social memory, and role differentiation - and two outcomes: conflict cascades and output distinctiveness. Bot adoption is followed by more repeated collaboration, greater recognition of specific bots in discussion, fewer conflict cascades, and more distinctive outputs. These changes cluster around adoption rather than accumulating gradually. Because we lack an untreated comparison group, we interpret the results as precisely timed associations, not causal effects. Two patterns are difficult for alternative explanations to account for: capabilities predict outcomes according to their function - coordination versus differentiation - rather than whether humans or bots provide them, and human-side capabilities account for the bot-conflict association but not the bot-distinctiveness association. The findings are consistent with a specific interpretation: predictable, rule-based agents can become part of a community's social infrastructure. The bot is the occasion; social organization is the mechanism.
