langchain-ai.
3,967 merged pull requests across 10 repositories over the 90 days to September 28, 2026.
of merged pull requests disclosed agent work.
- Claude Code
- Cursor
- GitHub Copilot
- Codex
- Devin
- other agents
- inferred
- people
52.4% counting inferred agents as well. The accounts behind that figure and the reason each one is counted are listed below.
agents
declared · inferred PRs- Open SWE1,443·
- Claude Code148·
- LangSmith330
- Cursor18·
- GitHub Copilot2·
repositories
declared share · bus factor- deepagents56.6%1,171 PRs1 person covers half
- open-swe70.3%1,089 PRs2 people cover half
- langchain27.7%303 PRs2 people cover half
- openwiki18.5%286 PRs4 people cover half
- langchainjs20.0%110 PRs3 people cover half
- langgraphjs13.8%80 PRs3 people cover half
- chat-langchain14.3%49 PRs2 people cover half
- langgraph16.7%48 PRs3 people cover half
- agent-chat-ui0.0%4 PRs1 person covers half
- local-deep-researcher0.0%0 PRs
bus factor · the fewest people who account for half a repo's merged work, with an agent's pull requests credited to the person who steered it
models named
where a trailer names one- Claude Opus 5 · 34
- Claude Opus 4.8 · 24
- Claude Fable 5.1 · 22
- Claude Fable 5 · 18
- Claude Opus 5.5 · 9
- Claude Sonnet 5 · 8
- Claude Sonnet 4.6 · 2
inferred accounts
shown apart from the headline- langsmith-engine25 PRs
fix PRs across LangChain users' repos
- langsmith-fleet8 PRs
ticket-linked docs PRs in langchain-ai/docs
personal agent accounts are counted and left unnamed, because their names point at the person who runs them
This report reads public repositories. slashscore for Teams draws the same map for your private ones: the people, the agents working beside them, and the repos they share.