Skills
100,928 packaged capabilities and playbooks for agents. Install any of them with one command.
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Connects to a user's Upstox account through the official upstox-python-sdk to execute trades and pull live data from Indian exchanges (NSE, BSE, MCX). Covers the full workflow: resolving tradable instruments and running orders through safety checks before they go live. Reach for this skill to place, amend, or cancel orders; inspect holdings, positions, available funds, or margin requirements; pull last-traded price, OHLC, full quotes, historical candles, or option chains with greeks; calculate realised and unrealised P&L; or open a websocket feed for live market and portfolio updates. Relevant whenever a request involves Upstox, the Upstox API, Upstox orders or portfolios, or Indian equity, derivatives, and F&O trading on NSE, BSE, or MCX.
Comprehensive end-to-end validation of the Archon Web UI using browser automation and codebase review. Use when: User wants to validate, test, or audit the Archon web interface, find UI/UX bugs, test workflow management, verify parallel agent orchestration, or run comprehensive browser-based E2E tests. Triggers: "validate ui", "test the ui", "e2e test", "browser test", "validate archon", "test archon ui", "ui audit", "ux review", "comprehensive test", "validate everything". Capability: Starts Archon, runs exhaustive browser automation tests via agent-browser CLI, performs codebase review, and produces a detailed bug/UX report. NOT for: Unit tests (use `bun test`), CLI-only validation (use /validation:validate-simple).
A skill for searching WeChat Official Account articles. Uses WeChat search to retrieve article lists covering Chinese-language topics such as technology/AI, social affairs, finance, education, and careers. Search by keyword and return titles, summaries, publication times, source accounts, and links. Use when users need to find WeChat Official Account articles, compile references, or quickly get article information
Use this skill when the user asks to “analyze network traffic with Wireshark,” “capture packets for troubleshooting,” “filter PCAP files,” “follow TCP/UDP streams,” “detect network anomalies,” “investigate suspicious traffic,” or “perform protocol analysis.” It provides comprehensive techniques for network packet capture, filtering, and analysis using Wireshark.
Accessibility patterns for WCAG 2.2 compliance, keyboard focus management, React Aria component patterns, cognitive inclusion, native HTML-first philosophy, and user preference honoring. Use when implementing screen reader support, keyboard navigation, ARIA patterns, focus traps, accessible component libraries, reduced motion, or cognitive accessibility.
Use when implementing, debugging, or auditing how any website or web app looks and behaves on iPhone and iPad — in Safari or added to the Home Screen — or added to the Mac Dock from Safari: safe areas, Safari's status bar and address bar tinting, full-screen overlays, theme colour, keyboard, manifest, icons, splash screens, or installed navigation. Not for service workers, offline caching, or push.
Creates, edits, or improves agent skills (SKILL.md). Use whenever the task is to author a new skill, refactor or shorten an existing one, fix its frontmatter or triggering description, or split it for progressive disclosure. Load this before researching other skills or writing any SKILL.md.
Stop being a relationship builder. Learn the research-backed methodology top performers use to teach, tailor, and take control of sales conversations. Use for complex B2B sales where buyers have done their research; commoditized markets where differentiation is hard; sophisticated buyers who know (or think they know) what they need; large deals requiring stakeholder consensus; or solution selling that requires changing buyer thinking.
Run structured multi-source research that produces a cited, adversarially verified synthesis with explicit confidence. Use when a question needs more than a single lookup and being wrong is costly — comparing options, validating a claim, surveying a market, briefing a decision.
Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.
Use when reviewing Playwright or Cypress E2E specs, Page Objects (POM), PRs, pull requests, patches, diffs, or changed test files; when asked to review tests, audit test quality, or find weak, flaky, or silently passing tests; when tests pass CI but prove nothing or miss bugs; when auditing missing awaits, vacuous or always-passing assertions, anti-patterns, or finding-linked coverage suggestions; or when validating passing tests with assertion mutation or app-fault probes. Not for debugging a test that is currently failing at runtime (use playwright-debugger / cypress-debugger).
“What is important is seldom urgent and what is urgent is seldom important.” Master Dwight D. Eisenhower's prioritization framework to focus on what truly matters. Use when: Feeling overwhelmed by too many tasks and not enough time; weekly planning to set priorities for the week ahead; daily triage when everything seems urgent; making delegation decisions to identify what others should handle; saying no by recognizing tasks that shouldn't be done at all
Find 10x product opportunities and high-leverage improvements. Use when user wants strategic product thinking, mentions '10x', wants to find high-impact features, or says 'what would make this 10x better', 'product strategy', or 'what should we build next'.
Use when reviewing GDScript or C# Godot code — a checklist of best practices, common anti-patterns, and Godot-specific pitfalls. Triggers on “review this script”, “check my code”, “any issues with this”, “what's wrong with this code”, including a short pasted snippet.
Expert blueprint for sandbox games (Minecraft, Terraria, Garry's Mod) with physics-based interactions, cellular automata, emergent gameplay, and creative tools. Use when building open-world creation games with voxels, element systems, player-created structures, or procedural worlds. Keywords voxel, sandbox, cellular automata, MultiMesh, chunk management, emergent behavior, creative mode.
Google Tag Manager implementation reference for web and server containers. Use when installing a GTM container snippet, configuring tags, triggers or variables, designing dataLayer pushes, setting up Consent Mode in GTM, debugging with Preview mode or Tag Assistant, building a custom template, setting up a server-side (sGTM) container, or automating containers through the GTM API or the bundled Stape MCP server. Do NOT use for gtag.js installs that bypass GTM, GA4 reporting or BigQuery export - use google-analytics; Adobe Launch, Tealium or other tag managers.
GraphQL gives clients exactly the data they need - no more, no less. One endpoint, typed schema, introspection. But the flexibility that makes it powerful also makes it dangerous. Without proper controls, clients can craft queries that bring down your server. This skill covers schema design, resolvers, DataLoader for N+1 prevention, federation for microservices, and client integration with Apollo/urql. Key insight: GraphQL is a contract. The schema is the API documentation. Design it carefully.
Analyzes events through historical lens using source analysis, comparative history, periodization, causation, continuity/change, and contextualization frameworks. Provides insights on historical patterns, precedents, path dependency, and long-term trends. Use when: Understanding historical context, identifying precedents, analyzing change over time, comparative history. Evaluates: Causation, continuity, change, context, historical parallels, long-term patterns.
Meta Quest Passthrough Camera Access (PCA) for Unity — access the forward-facing RGB cameras on Quest 3 / Quest 3S to feed Computer Vision and Machine Learning pipelines. Use when capturing the passthrough camera image/texture, reading the camera pose and intrinsics, projecting camera pixels into world space via `PassthroughCameraAccess.ViewportPointToRay`, wiring camera frames into ML/CV models, or reasoning about resolution, permissions, vendor tags, and the pinhole/principal-point model. For projecting the image onto a flat world-space surface (frustum-slice quad / image-plane overlay) see references/principal-point-offset.md; for placing 2D ML detections as world-space 3D bounding boxes see references/detection-bounding-boxes.md. Skip if the user only wants to cast the user's POV (use the Media Projection API instead) or is doing screen-space-only overlays.
Explore PostHog's Inbox and act on what it surfaces — the place where signal reports cluster into actionable issues and trends. Use when the user asks "what's in my inbox?", "what should I look at?", "which reports are actionable?", "what's PostHog flagged recently?", asks about a specific report by ID or title, wants to act on / fix / implement a report (turn it into a PR), wants to resolve, dismiss, or snooze a report, or wants to see which signal sources are configured. Also use before you investigate an error, bug, metric change, or support ticket in code, to find research the Inbox already did. Covers listing, filtering, drilling into, and acting on reports, plus pointers to the deeper `signals` skill when raw signals or semantic search are needed. For a personal, ranked top N of reports, use `prioritizing-my-inbox`, which starts from the stored personal ranking (`view=for_you`, `sort=personal`).
Use this skill when an agent needs to write reusable code, store it in the configured Hermes Code folder, run it directly through local code execution, or host it behind a Make-managed E2B Code Shell scenario. Use for tool building, generated business automation scripts, and nested flows where hosted code calls Make API shell scenarios for SaaS access without receiving raw OAuth, Make, or E2B secrets.
Create new ESLint rules for the @n8n/eslint-plugin-community-nodes package. Use when adding a lint rule, creating a community node lint, or working on eslint-plugin-community-nodes. Guides rule implementation, tests, docs, and plugin registration.
NocoBase 2 only; never use in a NocoBase 3 project. **Opt-in DSL path** for NocoBase app building. Use ONLY when the user explicitly asks for YAML / DSL / committed-to-git / `cli push` / spec files — e.g. "use the DSL reconciler", "I want YAML I can commit", "build this as a workspaces/ project". For any other UI authoring request (new page, new block, tweak an existing screen), default to `nocobase-ui-builder` instead — this reconciler is still in active development and has rough edges that the live-UI path avoids. When the user opts in: produces/changes files under `workspaces/<project>/`, supports new pages, menus, modules, whole systems, collections, tables, sub-tables, popups, dashboards, approval workflows, recordActions, and deploys them via `cli push`.
Plan and build comprehensive Playwright E2E test suites with Page Object Model, authentication state persistence, custom fixtures, visual regression, and CI integration. Uses interview-driven planning to clarify critical user flows, auth strategy, test data approach, and parallelization before writing any tests.
Configure and troubleshoot Proxyman HTTPS capture across desktop systems, Apple and Android devices or simulators, browsers, runtimes, containers, frameworks, and HTTP clients, including Atlantis instrumentation for controlled apps.
Audit any second brain, notes folder, or agent memory for facts that have quietly stopped being true, then fix the worst one so it stops recurring. Works on a wiki, a single notes file, daily notes, or a non-markdown tool, and adapts the fix to whichever it finds. Checks every current-sounding claim in whatever the agent loads each session against the freshest evidence, and separates contradicted claims from unsupported ones. Use when an assistant gives an outdated answer, when notes or memory files may be stale, when a vault needs checking for contradictions, or when someone asks how to stop a second brain from rotting, mentions memory rot, or asks about state versus event
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.