backend-dev-guidelines
Comprehensive backend development guide for Langfuse's Next.js 14/tRPC/Express/TypeScript monorepo. Use when creating tRPC routers, public API endpoints, BullMQ queue processors, services, or working with tRPC procedures, Next.js API routes, Prisma database access, ClickHouse analytics queries, Redis queues, OpenTelemetry instrumentation, Zod v4 validation, env.mjs configuration, tenant isolation patterns, or async patterns. Covers layered architecture (tRPC procedures → services, queue processors → services), dual database system (PostgreSQL + ClickHouse), projectId filtering for multi-tenant isolation, traceException error handling, observability patterns, and testing strategies (Jest for web, vitest for worker).
google-analytics
Analyze Google Analytics data, review website performance metrics, identify traffic patterns, and suggest data-driven improvements. Use when the user asks about analytics, website metrics, traffic analysis, conversion rates, user behavior, or performance optimization.
fitbit-analytics
Fitbit health and fitness data integration. Fetch steps, heart rate, sleep, activity, calories, and trends from Fitbit Web API. Generate automated health reports and alerts. Requires FITBIT_CLIENT_ID, FITBIT_CLIENT_SECRET, FITBIT_ACCESS_TOKEN, FITBIT_REFRESH_TOKEN.
ga4
Query Google Analytics 4 (GA4) data via the Analytics Data API. Use when you need to pull website analytics like top pages, traffic sources, user counts, sessions, conversions, or any GA4 metrics/dimensions. Supports custom date ranges and filtering.
ga4-analytics
Google Analytics 4, Search Console, and Indexing API toolkit. Analyze website traffic, page performance, user demographics, real-time visitors, search queries, and SEO metrics. Use when the user asks to: check site traffic, analyze page views, see traffic sources, view user demographics, get real-time visitor data, check search console queries, analyze SEO performance, request URL re-indexing, inspect index status, compare date ranges, check bounce rates, view conversion data, or get e-commerce revenue. Requires a Google Cloud service account with GA4 and Search Console access.
kakiyo
Official Kakiyo skill from Kakiyo.com for managing LinkedIn automation campaigns, prospects, and AI agents via Kakiyo MCP server. Use when users want to create outreach campaigns, add prospects, monitor performance, manage AI agents, or automate LinkedIn messaging. Includes 42 tools for campaigns, prospects, agents, analytics, workspaces, webhooks, and DNC management.
go2gg
Use Go2.gg API for URL shortening, link analytics, QR code generation, webhooks, and link-in-bio pages. Use when the user needs to create short links, track clicks, generate QR codes, set up link-in-bio pages, or manage branded URLs. Free tier includes short links, QR codes, and analytics. Requires GO2GG_API_KEY env var. QR code generation is free without auth.
heurist-mesh
Access Web3 and crypto intelligence via Heurist Mesh MCP. Use when the user asks about cryptocurrency analytics, token information, trending tokens, wallet analysis, Twitter/X crypto intelligence, funding rates, market summaries, or any Web3-related queries. Heurist Mesh provides 30+ specialized AI agents for crypto use cases through the mcporter CLI.
azure-mgmt-applicationinsights-dotnet
Azure Application Insights SDK for .NET. Application performance monitoring and observability resource management. Use for creating Application Insights components, web tests, workbooks, analytics items, and API keys. Triggers: "Application Insights", "ApplicationInsights", "App Insights", "APM", "application monitoring", "web tests", "availability tests", "workbooks".
azure-mgmt-applicationinsights-dotnet
Azure Application Insights SDK for .NET. Application performance monitoring and observability resource management. Use for creating Application Insights components, web tests, workbooks, analytics items, and API keys. Triggers: "Application Insights", "ApplicationInsights", "App Insights", "APM", "application monitoring", "web tests", "availability tests", "workbooks".
databuddy
Integrate Databuddy analytics using the SDK, REST API, or MCP. Use when implementing analytics tracking, feature flags, custom events, Web Vitals, error tracking, LLM observability, MCP agents, or querying analytics data programmatically.
apify-ultimate-scraper
Universal AI-powered web scraper for any platform. Scrape data from Instagram, Facebook, TikTok, YouTube, Google Maps, Google Search, Google Trends, Booking.com, and TripAdvisor. Use for lead generation, brand monitoring, competitor analysis, influencer discovery, trend research, content analytics, audience analysis, or any data extraction task.
gitbook-notion
Integration with hosted documentation platforms GitBook and Notion. Manage spaces, synchronize content with Git, export/import between formats, configure webhooks, and retrieve analytics.
backend-dev-guidelines
Comprehensive backend development guide for Langfuse's Next.js 14/tRPC/Express/TypeScript monorepo. Use when creating tRPC routers, public API endpoints, BullMQ queue processors, services, or working with tRPC procedures, Next.js API routes, Prisma database access, ClickHouse analytics queries, Redis queues, OpenTelemetry instrumentation, Zod v4 validation, env.mjs configuration, tenant isolation patterns, or async patterns. Covers layered architecture (tRPC procedures → services, queue processors → services), dual database system (PostgreSQL + ClickHouse), projectId filtering for multi-tenant isolation, traceException error handling, observability patterns, and testing strategies (Jest for web, vitest for worker).
engagement-analytics
Use when measuring webinar funnel performance and diagnosing audience behavior.
plausible
Plausible Analytics API for querying website statistics and managing sites. Use this skill to get visitor counts, pageviews, traffic sources, and manage analytics sites.
reportei
Reportei marketing report generation API via curl. Use this skill to manage clients, reports, templates, integrations and webhooks for automated marketing analytics.
custom-code-management
Add, review, or remove inline custom scripts on a Webflow site (up to 10,000 chars). Use for analytics, tracking pixels, chat widgets, or any custom JavaScript.
seo-analytics-auditor
Use this skill when auditing SEO, analyzing Core Web Vitals, verifying meta tags, checking structured data, or troubleshooting analytics implementations. Covers Google Search Console, Google Analytics 4, Cloudflare Web Analytics, and technical SEO best practices.
vercel-observability
Vercel observability for Web Analytics, Speed Insights, logs, tracing, alerts, and observability tooling. Use when monitoring performance or debugging production behavior on Vercel.
analytics-traffic
When the user wants to analyze website traffic sources, attribution, or dark traffic. Also use when the user mentions "traffic sources," "dark traffic," "direct traffic," "UTM parameters," "traffic attribution," or "channel analysis."
td-javascript-sdk
Expert assistance for importing data to Treasure Data using the JavaScript SDK. Use this skill when users need help with browser-based event tracking, page analytics, client-side data collection, or implementing TD's JS SDK for web applications.
ab-test-setup
When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," or "hypothesis." For tracking implementation, see analytics-tracking.
marketing-skills
Marketing skills for AI agents. CRO, copywriting, SEO, analytics, pricing, and growth engineering. From Corey Haines' Marketing Skills collection. Use when working with marketing, cro, conversion, copywriting, seo, landing page, pricing, growth.
mixpanel
Product analytics with Mixpanel — event tracking, funnels, retention analysis, user segmentation, and A/B testing. Covers JavaScript SDK for frontend tracking, server-side tracking with Node.js and Python, identity management, group analytics, and the Query API. Use when tasks involve tracking user behavior in web or mobile apps, building conversion funnels, analyzing retention curves, or running experiments.
formbricks
Collect user feedback and run in-app surveys with Formbricks — open-source experience management platform. Use when someone asks to "add surveys to my app", "Formbricks", "in-app feedback", "NPS survey", "user research", "product feedback tool", or "open-source Typeform alternative". Covers in-app surveys, website popups, link surveys, targeting, and analytics.
plausible
Privacy-first web analytics with Plausible — lightweight script tag, no cookies, GDPR-compliant by default. Self-host with Docker or use Plausible Cloud. Covers script installation, custom event goals, pageview filtering, the Stats API for programmatic access, and Google Search Console integration. Use when tasks involve adding website analytics without cookie banners, replacing Google Analytics with a privacy-friendly alternative, or querying traffic data via API.
umami
Track website analytics with Umami — privacy-focused, open-source Google Analytics alternative. Use when someone asks to "track website analytics", "Umami", "privacy-friendly analytics", "self-hosted analytics", "GDPR analytics", "replace Google Analytics", or "website traffic tracking without cookies". Covers setup, event tracking, custom properties, API, and self-hosting.
elevenlabs-agents
Use this skill when building AI voice agents with the ElevenLabs Agents Platform. This skill covers the complete platform including agent configuration (system prompts, turn-taking, workflows), voice & language features (multi-voice, pronunciation, speed control), knowledge base (RAG), tools (client/server/MCP/system), SDKs (React, JavaScript, React Native, Swift, Widget), Scribe (real-time STT), WebRTC/WebSocket connections, testing & evaluation, analytics, privacy/compliance (GDPR/HIPAA/SOC 2), cost optimization, CLI workflows ("agents as code"), and DevOps integration. Prevents 17+ common errors including package deprecation, Android audio cutoff, CSP violations, missing dynamic variables, case-sensitive tool names, webhook authentication failures, and WebRTC configuration issues. Provides production-tested templates for React, Next.js, React Native, Swift, and Cloudflare Workers. Token savings: ~73% (22k → 6k tokens). Production tested. Keywords: ElevenLabs Agents, ElevenLabs voice agents, AI voice agents, conversational AI, @elevenlabs/react, @elevenlabs/client, @elevenlabs/react-native, @elevenlabs/elevenlabs-js, @elevenlabs/agents-cli, elevenlabs SDK, voice AI, TTS, text-to-speech, ASR, speech recognition, turn-taking model, WebRTC voice, WebSocket voice, ElevenLabs conversation, agent system prompt, agent tools, agent knowledge base, RAG voice agents, multi-voice agents, pronunciation dictionary, voice speed control, elevenlabs scribe, @11labs deprecated, Android audio cutoff, CSP violation elevenlabs, dynamic variables elevenlabs, case-sensitive tool names, webhook authentication
Matomo API
Matomo (formerly Piwik) analytics platform API. Use for web analytics, tracking implementation, reporting API integration, plugin development, PHP/JavaScript tracking clients, and understanding the database schema.
using-analytics
Track custom events and conversions with Vercel Web Analytics. Covers common events, form tracking, and development testing.
observability-monitoring
Complete observability stack with structured logging, error tracking, and web analytics.
vercel-analytics-setup
Add privacy-focused web analytics with Vercel Web Analytics. Track page views, visitors, and custom events with zero configuration.
fullstory-analytics-events
Core concepts for Fullstory's Analytics Events API (trackEvent). Platform-agnostic guide covering event naming, property types, rate limits, and best practices. See SKILL-WEB.md and SKILL-MOBILE.md for implementation examples.
webdev-filter-query-builder
Domain-specific filter query building with AST representation, operator handling, query serialization, and field-type-specific inputs. Use when building advanced filter UIs for observability tools, data analytics, search interfaces, or any system requiring structured query construction with boolean logic, comparison operators, and URL/string serialization.
outlit-sdk
Integrate Outlit SDK for customer context for agents. Triggers when users need to add Outlit to any web framework (React, Next.js, Vue, Nuxt, Svelte, Angular, Astro), server runtime (Node.js, Express, Fastify), desktop app (Tauri, Electron), or need help with Outlit event tracking, user identity, consent management, analytics migration, activation events, billing lifecycle, or troubleshooting existing Outlit installations.
Agent Dashboard
Real-time agent monitoring with health scoring, cost tracking, and web dashboard
ga4-search-console
Query GA4 analytics and Google Search Console data in natural language — traffic, SEO, conversions
ga4-query
Query Google Analytics 4 via the Data API. Use when the user asks about GA4, Google Analytics, website traffic, page views, sessions, users, realtime data, or analytics reports. Triggered by: GA4, Google Analytics, analytics, sessions, pageviews, activeUsers, traffic, realtime, bounce rate, engagement.
SimilarWeb Analytics
Analyze websites and domains using SimilarWeb traffic data. Get traffic metrics, engagement stats, global rankings, traffic sources, and geographic distribution for comprehensive website research.
Firebase
Integrates Firebase services (Authentication, Firestore, Realtime Database, Storage, Cloud Functions, FCM, Analytics, Remote Config, App Check) into web and Node.js applications. Use when asked to: set up Firebase in a web or Node.js app, implement user authentication with Firebase, read or write data to Firestore or Realtime Database, upload files to Firebase Storage, send push notifications with Firebase Cloud Messaging, call Cloud Functions from a client, configure Firebase Remote Config, or protect a backend with Firebase App Check.
umami-analytics
Install and manage Umami — a privacy-focused, self-hosted web analytics alternative to Google Analytics. No cookies, GDPR-compliant, lightweight.
google-analytics
Pull GA4 reports, traffic data, and insights from the Google Analytics Data API. Use when asked about website traffic, user behavior, acquisition channels, conversions, or audience segments. Trigger phrases: "google analytics", "GA4", "traffic report", "analytics data", "user acquisition", "engagement metrics", "conversion tracking", "audience segments", "page views", "sessions".
WP Analytics
Use this skill when the user asks about analytics, GA4, Google Analytics, Plausible, Core Web Vitals (CWV), PageSpeed or page speed, LCP, CLS, INP, TTFB, FCP, traffic reports, traffic analysis, site performance metrics, web vitals, real user metrics, or when they mention monitoring WordPress site analytics and performance data.
Blockchain Explorer Builder
Builds blockchain explorers with transaction tracking, address analytics, and contract verification
azure-mgmt-applicationinsights-dotnet
Azure Application Insights SDK for .NET. Application performance monitoring and observability resource management. Use for creating Application Insights components, web tests, workbooks, analytics items, and API keys. Triggers: "Application Insights", "ApplicationInsights", "App Insights", "APM", "application monitoring", "web tests", "availability tests", "workbooks".
goaccess-analytics
Install and run GoAccess to parse web server logs into real-time HTML dashboards and terminal reports.
plausible-analytics
Deploy and manage self-hosted Plausible Analytics — privacy-friendly, cookie-free web analytics with no Google dependency.