Check BlogNews and updates from Checkhttps://check.pleaseai.dev/Annotate Any Web Page or HTML Filehttps://check.pleaseai.dev/blog/annotate-any-web-page-or-html-file/https://check.pleaseai.dev/blog/annotate-any-web-page-or-html-file/Check's /check-annotate command now accepts URLs and HTML files, not just markdown. Fetch any web page, render local HTML, and annotate it with structured feedback for your coding agent.Sun, 12 Apr 2026 00:00:00 GMTContinuously Improve Claude Code Planshttps://check.pleaseai.dev/blog/continuously-improve-claude-code-plans/https://check.pleaseai.dev/blog/continuously-improve-claude-code-plans/Use your denial history to find feedback patterns, generate a personalized report, and automatically improve every future plan.Wed, 01 Apr 2026 00:00:00 GMTPlan Diff: See What Changed Between Iterationshttps://check.pleaseai.dev/blog/plan-diff-see-what-changed/https://check.pleaseai.dev/blog/plan-diff-see-what-changed/When your coding agent revises a plan, Check now shows exactly what changed. Visual diffs, raw markdown diffs, and version history — across Claude Code, Codex, OpenCode, and Pi.Sun, 22 Feb 2026 00:00:00 GMTCheck Meets Pihttps://check.pleaseai.dev/blog/check-meets-pi/https://check.pleaseai.dev/blog/check-meets-pi/Check now supports Pi, the minimal terminal coding agent. File-based plan mode, bash safety gating, progress tracking — all with the same browser review UI.Sat, 21 Feb 2026 00:00:00 GMTLocal Diff Review for Coding Agentshttps://check.pleaseai.dev/blog/local-diff-review-for-coding-agents/https://check.pleaseai.dev/blog/local-diff-review-for-coding-agents/How Check's /check-review command gives you a browser-based diff viewer to annotate agent-generated code changes and send structured feedback back to the session.Thu, 19 Feb 2026 00:00:00 GMTSharing Plans With Your Teamhttps://check.pleaseai.dev/blog/sharing-plans-with-your-team/https://check.pleaseai.dev/blog/sharing-plans-with-your-team/How Check's URL-based sharing lets teammates review and annotate agent plans together — with zero backend, zero accounts, and full privacy.Wed, 18 Feb 2026 00:00:00 GMTIntroducing Checkhttps://check.pleaseai.dev/blog/welcome/https://check.pleaseai.dev/blog/welcome/A plan review UI for Claude Code that lets you approve or request changes with annotated feedback.Sat, 27 Dec 2025 00:00:00 GMT