Plannotator Adds 860 GitHub Stars in 24 Hours, Reaching 11,523
The browser-based workspace had 1,016 forks as of 6:50 a.m. ET (11:50 UTC) Nov. 15.

Plannotator, a local browser-based workspace for working with AI coding agents, added 860 GitHub stars in 24 hours, reaching 11,523 by 6:50 a.m. ET (11:50 UTC) Nov. 15.
The repository had 1,016 forks at that time. Plannotator gives users a place to review plans, specifications and HTML artifacts, as well as code changes or pull requests. Users can annotate those materials and send feedback into an agent workflow.
The tool supports Claude Code, Codex, Copilot CLI, Gemini CLI and OpenCode. It also works with Git, GitHub, GitLab, Perforce and Jujutsu.
Plannotator includes an inbox where agents can leave messages, questions, files and guided reviews. Users can also start AI-assisted reviews, annotate code differences and provide structured feedback for agents to act on.