Latest Agent Skills

Audit milestone completion against original intent before archiving

React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.

Retroactively audit and fill Nyquist validation gaps for a completed phase

Spawns a researcher agent to investigate how to implement a project phase, gathering context on architecture patterns, standard libraries, and common pitfalls.

This skill should be used when the user asks to "start an LLM project", "design batch pipeline", "evaluate task-model fit", "structure agent project", or mentions pipeline architecture, agent-assisted development, cost estimation, or choosing between LLM and traditional approaches.

This skill should be used when the user asks to "implement LLM-as-judge", "compare model outputs", "create evaluation rubrics", "mitigate evaluation bias", or mentions direct scoring, pairwise comparison, position bias, evaluation pipelines, or automated quality assessment.

Start a new milestone cycle — update PROJECT.md and route to requirements

Execute all plans in a phase with wave-based parallelization

Gather phase context through adaptive questioning before planning

This skill should be used when the user asks to "offload context to files", "implement dynamic context discovery", "use filesystem for agent memory", "reduce context window bloat", or mentions file-based context management, tool output persistence, agent scratch pads, or just-in-time context loading.

Remove a future phase from roadmap and renumber subsequent phases

Analyze codebase with parallel mapper agents to produce .planning/codebase/ documents

Join the GSD Discord community

Insert urgent work as decimal phase (e.g., 72.1) between existing phases

Create and edit Obsidian Flavored Markdown with wikilinks, embeds, callouts, properties, and other Obsidian-specific syntax. Use when working with .md files in Obsidian, or when the user mentions wikilinks, callouts, frontmatter, tags, embeds, or Obsidian notes.

One-time setup that gathers design context for your project and saves it to your AI config file. Run once to establish persistent design guidelines.

Use when Codex is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses, inspect screenshots/text, and review console errors with render_game_to_text.

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

This skill should be used when the user asks to "model agent mental states", "implement BDI architecture", "create belief-desire-intention models", "transform RDF to beliefs", "build cognitive agent", or mentions BDI ontology, mental state modeling, rational agency, or neuro-symbolic AI integration.

Validate built features through conversational UAT

Switch model profile for GSD agents (quality/balanced/budget)

Resume work from previous session with full context restoration

Gsd New Project

List pending todos and select one to work on

Audit and fix HTML metadata including page titles, meta descriptions, canonical URLs, Open Graph tags, Twitter cards, favicons, JSON-LD structured data, and robots directives. Use when adding SEO metadata, fixing social share previews, reviewing Open Graph tags, setting up canonical URLs, or shipping new pages that need correct meta tags.

Create detailed phase plan (PLAN.md) with verification loop

Create context handoff when pausing work mid-phase

Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).

Generate tests for a completed phase based on UAT criteria and implementation

Add phase to end of current milestone in roadmap

Create and edit Obsidian Bases (.base files) with views, filters, formulas, and summaries. Use when working with .base files, creating database-like views of notes, or when the user mentions Bases, table views, card views, filters, or formulas in Obsidian.

Configure GSD workflow toggles and model profile

Check project progress, show context, and route to next action (execute or plan)

Capture idea or task as todo from current conversation context

This skill should be used when the user asks to "build background agent", "create hosted coding agent", "set up sandboxed execution", "implement multiplayer agent", or mentions background agents, sandboxed VMs, agent infrastructure, Modal sandboxes, self-spawning agents, or remote coding environments.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.

Archive accumulated phase directories from completed milestones

Interact with Obsidian vaults using the Obsidian CLI to read, create, search, and manage notes, tasks, properties, and more. Also supports plugin and theme development with commands to reload plugins, run JavaScript, capture errors, take screenshots, and inspect the DOM. Use when the user asks to interact with their Obsidian vault, manage notes, search vault content, perform vault operations from the command line, or develop and debug Obsidian plugins and themes.

Validates animation durations, enforces typography scale, checks component accessibility, and prevents layout anti-patterns in Tailwind CSS projects. Use when building UI components, reviewing CSS utilities, styling React views, or enforcing design consistency.

Update GSD to latest version with changelog display

Diagnose planning directory health and optionally repair issues

Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the user mentions Canvas files in Obsidian.

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

Luau and Roblox development patterns for strict typing, Roblox service architecture, client/server security, DataStore persistence, RemoteEvent design, and incremental game systems.

Execute a quick task with GSD guarantees (atomic commits, state tracking) but skip optional agents

Systematic debugging with persistent state across context resets

Manages and syncs AI CLI skills across 50+ tools from a single source. Use this skill whenever the user mentions "skillshare", runs skillshare commands, manages skills (install, update, uninstall, sync, audit, check, diff, search), or troubleshoots skill configuration (orphaned symlinks, broken targets, sync issues). Covers both global (~/.config/skillshare/) and project (.skillshare/) modes. Also use when: adding new AI tool targets (Claude, Cursor, Windsurf, etc.), setting target include/exclude filters or copy vs symlink mode, using backup/restore or trash recovery, piping skillshare output to scripts (--json), setting up CI/CD audit pipelines, or building/sharing skill hubs (hub index, hub add).

Deliberative consultation with Gemini CLI. Ask, evaluate, critique, iterate until workable agreement.

Deliberative consultation with another Claude model via Task tool. Opus consults Sonnet, Sonnet consults Opus. Ask, evaluate, critique, iterate until workable agreement.

Normalize design to match your design system and ensure consistency

Show available GSD commands and usage guide

Deliberative consultation with Codex CLI. Ask, evaluate, critique, iterate until workable agreement.

Best practices for Remotion - Video creation in React

Improve interface performance across loading speed, rendering, animations, images, and bundle size. Makes experiences faster and smoother.

Evaluate design effectiveness from a UX perspective. Assesses visual hierarchy, information architecture, emotional resonance, and overall design quality with actionable feedback.

Add strategic color to features that are too monochromatic or lack visual interest. Makes interfaces more engaging and expressive.

Deliberative consultation with Kimi API. Ask, evaluate, critique, iterate until workable agreement.

Extract clean markdown content from web pages using Defuddle CLI, removing clutter and navigation to save tokens. Use instead of WebFetch when the user provides a URL to read or analyze, for online documentation, articles, blog posts, or any standard web page.

Tone down overly bold or visually aggressive designs. Reduces intensity while maintaining design quality and impact.

Design or improve onboarding flows, empty states, and first-time user experiences. Helps users get started successfully and understand value quickly.