Skill Claude CodeCodex
Audit React render performance from the code, prioritised by measured or measurable impact. Invoke when the user reports a slow or janky UI, asks about re-renders, mentions memo/useMemo/useCallback, or asks for a perf review of a component tree. Refuses to recommend memoisation without a reason.
Skill Claude CodeCodex needs its repo
Triage PR review comments — decide whether to accept or push back on each one. Given comment links from a GitHub PR, fetches comment content and PR diff, then reasons about each comment in context. Uses a personal voice profile for suggested replies — swap ../shared/pr-review-voice-marco.md for your own. Use when the…
Skill Claude CodeCodex
Review a GitHub pull request by URL using the review-team skill. Outputs copy-pasteable conventional comments with line references and code suggestions. Uses a personal voice profile by default — swap skills/shared/pr-review-voice-marco.md for your own. Use when the user shares a PR URL, asks to review a PR, or…
Skill Claude CodeCodex
Launch a team of 6 specialized code reviewers in parallel to catch issues from multiple perspectives. Use when the user says "review team", "comprehensive review", "multi-perspective review", or wants a thorough multi-angle review of branch changes or a plan.
Skill Claude CodeCodex
Write the failing test first, then the implementation, in Marco's testing style. Invoke when the user says "tdd", "test first", "write the test first", or when adding behaviour to code that already has tests worth extending. Opt-in; do not apply automatically.
Skill Claude CodeCodex
Read this skill before the first step that uses the built-in browser, the browser pane inside the Claude desktop app (also called the in-app browser, the browser pane, Claude's browser, or "your own browser"), whose tools are named mcpClaudeBrowser when the session runs in the desktop app and…
Skill Claude CodeCodex
Read this skill before the first step of any request to do something in an app on the person's own computer (Notes, Finder, System Settings, any desktop app), to look at their screen, or for "computer use". Computer use (desktop control) lets Claude take screenshots of the person's desktop and control it with clicks…
Skill Claude CodeCodex
Read this skill before the first step that uses Claude in Chrome, the browser extension whose tools are named mcpclaude-in-chrome (also called Chrome, the browser extension, or the external browser) and which acts in the person's real Chrome with their own sign-ins; before those tools are turned on there may be a…
Skill Claude CodeCodex
Resolve a conflicted merge (typically a long-lived epic or integration branch against its PR base), explain why each conflict exists, fix it by intent, verify scoped checks, then commit the merge and push. Use when a PR shows conflicts against its base, when the user says "fix the conflicts", "merge main into this…
Skill Claude CodeCodex needs its repo
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx) or Word templates (.dotx). Triggers include: any mention of Microsoft Word Documents, such as 'Word doc', 'word document', '.docx', '.dotx', 'microsoft doc'. Also use when extracting or reorganizing content from .docx or…
Skill Claude CodeCodex
Read this before the first Google Drive, Docs, Sheets or Slides connector call whenever the task creates or changes a Google file. Use this skill whenever the user wants to create or change a Google Doc, Sheet or Slides file in their Google Drive. Triggers include: a request that names Google Docs, Sheets, Slides or…
Skill Claude CodeCodex
Import a memory export from another AI assistant into Claude's memory — conversationally, additively, and with the content treated as data.
Skill Claude CodeCodex
Render the user's morning brief as a styled HTML artifact, or set it up as a recurring weekday task. Use only when the user explicitly asks to run, see, or set up their morning brief, or if they invoke /morning by name. A question about their day, schedule, or calendar is not by itself a request for the brief; answer…
Skill Claude CodeCodex
Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and…
Skill Claude CodeCodex needs its repo
Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations as PowerPoint (.pptx) files; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like…
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Skill Claude CodeCodex
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: