Agent skills for Claude Code

Automate Hackernews tasks via Rube MCP (Composio).

Reviews a GitHub pull request like a thoughtful human reviewer and writes the feedback to a markdown file.

Use when the user wants to know what will break if they change something, or needs safety analysis before editing code.

Generates or updates an index.md to reference all docs in the folder.

Comprehensive markdown and Mermaid diagram writing skill.

Schema lifecycle management for Basic Memory: discover unschemaed notes, infer schemas, create and edit schema definitions, validate…

Product content designer for UI copy. Use when writing, reviewing, or auditing user-facing text: button labels, error messages, tooltips, empty states, modal copy, placeholder text, confirmation…

Use this skill any time a .pptx file is involved in any way — as input, output, or both.

Reduce an unoptimized-query-oracle test failure log to the simplest possible reproduction case.

Take a Stryker summary.json (from n8n:mutant-score), triage the surviving mutants by user-reachable-behaviour risk, write minimal…

This skill should be used when the user asks "compare these videos", "which source is better", "compare blu-ray vs web", "which release…

Writing examples for the tldraw SDK examples app.

Writing SDK documentation for tldraw. Use when creating new documentation articles, updating existing docs, or when documentation writing…

Publishes Markdown articles directly to the X (Twitter) Articles editor with automated formatting and persistent authentication.

X/Twitter public sentiment research for recent market, company, product, or community discourse. Use when the brief asks what people are saying on X, Twitter sentiment, CT sentiment, public…

Automates the creation and publishing of geek-styled AI job recruitment posts on Xiaohongshu using browser automation.

Automates the creation, image rendering, and publishing of high-quality Xiaohongshu (Little Red Book) notes directly from Claude Code.

Use this skill any time a spreadsheet file is the primary input or output.

X API & Twitter scraper skill for AI coding agents.

Activate when the user needs to interact with any website — browser automation, web scraping, screenshots, form filling, UI testing…

Efficiently add Malli schemas to API endpoints in the Metabase codebase with proper patterns, validation timing, and error handling