Skill Codex
AI-powered codebase security scanner that reasons about code like a security researcher — tracing data flows, understanding component interactions, and catching vulnerabilities that pattern-matching tools miss. Use this skill when asked to scan code for security vulnerabilities, find bugs, check for SQL injection…
Skill Codex
Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Trigger only when the user explicitly asks to threat model a codebase or path, enumerate threats/abuse paths, or perform AppSec threat modeling.…
Skill Codex
Optimize for search engine visibility and ranking. Use when asked to "improve SEO", "optimize for search", "fix meta tags", "add structured data", "sitemap optimization", or "search engine optimization".
Skill Codex
Serena MCP for project memory and code navigation. Use when managing Serena memories, navigating symbols, performing intelligent refactoring, or maintaining context/continuity across AI agent sessions.
Skill Codex
Contribute skills back to upstream via branch and PR.
Skill Codex
Find one insight that eliminates multiple components - "if this is true, we don't need X, Y, or Z.
Skill Codex
Guide for creating or updating effective portable skills with specialized knowledge, workflows, or tool integrations. Use for Codex, Claude Code, GitHub Copilot, or shared-catalog skill work after selecting the target host and installation path.
Skill Codex
Install audited skills from a curated list or GitHub repo path into Codex or Claude Code after selecting the target host. Use when a user asks to list or install a skill, including from a private repo; preserve Codex system-skill boundaries and use an explicit Claude destination for Claude Code.
Skill Codex
Write and debug spreadsheet formulas (Excel/Google Sheets), pivot tables, and array formulas; translate between dialects; use when users need working formulas with examples and edge-case checks.
Skill Codex
T-SQL, stored procedures, and MS SQL Server DBA practices. Use when writing SQL queries, designing schemas, tuning SQL Server performance, managing backups, configuring security, or using SQL Server 2025+ features.
Skill Codex
Activate for building or scaffolding web apps when the user is learning (e.g., todo apps, portfolios, dashboards).
Skill Codex
Convert an existing frontend into Stitch-ready design assets by extracting static HTML, writing DESIGN.md, creating the design system, and uploading approved files.
Skill Codex
Analyze existing Stitch project evidence and synthesize a semantic DESIGN.md for consistent future Stitch generation.
Skill Codex
Route Google Stitch tasks to the correct imported Stitch skill, with verified MCP tool boundaries, upload safety, and cross-client fallback guidance.
Skill Codex
Transform rough UI requests into structured Stitch prompts with platform, layout, component, and design-system context.
Skill Codex
Extract a Stitch-compatible DESIGN.md from frontend source code, stylesheets, Tailwind config, theme files, and component patterns.
Skill Codex
Capture a self-contained static HTML snapshot from a running app or mock component so it can be reviewed or uploaded to Stitch.
Skill Codex
Prepare Stitch screen-generation, edit, image-to-design, and variant prompts with verified tool checks and design-system-aware wording.
Skill Codex
Run an iterative Stitch website-building loop using .stitch/next-prompt.md, SITE.md, DESIGN.md, generated pages, and verification checkpoints.
Skill Codex
Create, list, and apply Stitch design systems from DESIGN.md using the verified Stitch MCP design-system tools and safe upload fallbacks.
Skill Codex
Convert Stitch HTML and screenshots into modular Vite/React/TypeScript components, or sync existing components to updated Stitch designs, with local architecture and validation checks.
Skill Codex
Convert Stitch HTML designs into React Native screens, or sync existing native components to updated Stitch designs, using native primitives, StyleSheet rules, and mobile platform checks.
Skill Codex
Convert approved Stitch exports into accessible React and Vite dashboards with DESIGN.md tokens, TanStack Query data boundaries, responsive layouts, and optional read-only Web3 integrations.
Skill Codex
Create Remotion walkthrough videos from Stitch screen exports with ordered assets, transitions, captions, and render checks.
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: