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Activate when: team headcount is approaching or crossing 150 (or 50, or 500); someone says "coordination is getting harder," "we lost the startup feel," or "we don't know who does what anymore"; deciding whether to split a team, open a new office, or add a management layer. Do NOT activate when: group is well below 50 and problems are clearly interpersonal; core issue is incentive misalignment rather than group size (use principal-agent instead). More: deciqai.com/s/dunbars-number
dunbars-number is an agent skill entry in ChatHome Skills, sourced from GitHub Skill Search and scored 58/100. # Dunbar's Number ## Overview **Dunbar's number** (~150) is the cognitive limit on stable social groups the human neocortex can sustain, with nested layers at ~. As an agent skill, it packages a reusable instruction set that AI coding agents such as Codex and Claude Code can load to perform this task without hand-written glue code. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding dunbars-number to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
codex skill install deciqAI/knowledge-skillsReview the upstream source before running this command.
Scan coverage: Install metadata and the indexed document body.
Automated signals from install metadata and a bounded skill body — not a full code security audit and not a recursive source or dependency review.
# Dunbar's Number ## Overview **Dunbar's number** (~150) is the cognitive limit on stable social groups the human neocortex can sustain, with nested layers at ~5, ~15, ~50, then ou