copilot
3 articles
Stripping Down Three Excel AI Agents: Claude Has 14 Tools, Copilot Has 2, Shortcut Can Actually SEE the Spreadsheet — Five Questions Every Agent Builder Must Answer
Nicolas Bustamante reverse-engineered three production Excel AI agents, comparing tool schemas, overwrite protection, verification loops, and memory. Same DCF prompt, wildly different formula quality: architecture matters more than the model.
33,000 Agent PRs Tell a Brutal Story: Codex Dominates, Copilot Struggles, and Your Monorepo Might Not Survive
Drexel/Missouri S&T analyzed 33,596 agent-authored GitHub PRs from 5 coding agents. Overall merge rate: 71%. Codex: 83%, Claude Code: 59%, Copilot: 43%. Rejection cause: no review. LeadDev warns PR flood is crushing monorepos/CI.
GitHub Agent HQ: Claude, Codex, and Copilot Now Fight Side by Side in the Same PR — The Multi-Agent Era Is Here
GitHub's Agent HQ now offers multi-agent support (Claude, Codex, Copilot) for Copilot Pro+ & Enterprise users. Run multiple AIs simultaneously in GitHub/VS Code to tackle problems from different angles. Outputs become Draft PRs. A paradigm shift for code review.