Verify and update competitor product data by scraping competitor websites using WebFetch/WebSearch. Use when the user asks to verify, check, or update competitor information in competitorData files (like amplitude.tsx, mixpanel.tsx), or when they want to ensure competitor feature data is accurate and current. This skill systematically checks product features, pricing, platform details, and generates update recommendations with source URLs for verification.
npx skills add https://github.com/PostHog/posthog.com --skill competitor-data-verifier
Verify and update competitor product data in src/hooks/competitorData/*.tsx by scraping competitor websites.
Read the competitor data file and understand what needs verifying:
Read src/hooks/competitorData/{competitor}.tsx
If any feature key is unclear (e.g. instant_rollbacks, persist_across_auth), check the matching feature definition file in src/hooks/featureDefinitions/ for the human-readable label and description. For example, feature keys under feature_flags.management.features are defined in src/hooks/featureDefinitions/feature_flags.tsx. This tells you exactly what the feature means so you can search for the right thing on the competitor's site.
This is the most important optimization. Launch multiple WebFetch and WebSearch calls in parallel — don't do them one at a time.
Batch 1 — Direct page fetches + searches in parallel:
WebFetch: {competitor}.com/pricing → pricing, plan names, free tier limits
WebFetch: {competitor}.com/session-replay → session replay features
WebSearch: "{Competitor} features documentation site:{competitor}.com"
WebSearch: "{Competitor} security compliance SOC2 HIPAA site:{competitor}.com"
Batch 2 — Fill gaps (for anything Batch 1 missed or 404'd):
WebFetch: URLs discovered from Batch 1 search results
WebSearch: "{Competitor} {product} free tier limit {current_year}"
WebSearch: "{Competitor} integrations {specific_tool_name}"
Batch 3 — Targeted follow-ups for remaining unknowns. Try docs subdomains (docs.{competitor}.com) which scrape more reliably than marketing pages.
WebFetch often returns incomplete content (nav/footer only) on JS-heavy pages. When this happens:
docs.{competitor}.com pages are usually static and scrape well/pricing vs /plans vs /buy/security vs /trust vs /compliance/analytics vs /product-analytics vs /products/analytics/integrations vs /data-connections vs /marketplaceFor each field in the competitor data file, classify as:
Use this streamlined format (see references/report-template.md for full template):
# Competitor Data Verification: {Name}
Date: {date} | File: src/hooks/competitorData/{competitor}.tsx
## High-Confidence Changes (recommend applying)
**{field_path}**
Current: `{old}` → Recommended: `{new}`
Source: {url} | Quote: "{exact quote}"
## Needs Manual Verification
| Field | Current | Question | Source |
|-------|---------|----------|--------|
## Proposed Diff
/pricing page is the single highest-value page — it reveals plan names, feature gates, and free tier limits all at oncedocs.{competitor}.com) scrape more reliably than marketing pagesA 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.).
Extracts and analyzes competitors' ads from ad libraries (Facebook, LinkedIn, etc.) to understand what messaging, problems, and creative approaches are working. Helps inspire and improve your own ad campaigns.
Identifies high-quality leads for your product or service by analyzing your business, searching for target companies, and providing actionable contact strategies. Perfect for sales, business development, and marketing professionals.
Analyzes your recent Claude Code chat history to identify coding patterns, development gaps, and areas for improvement, curates relevant learning resources from HackerNews, and automatically sends a personalized growth report to your Slack DMs.
Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
NGS analysis toolkit. BAM to bigWig conversion, QC (correlation, PCA, fingerprints), heatmaps/profiles (TSS, peaks), for ChIP-seq, RNA-seq, ATAC-seq visualization.
Materials science toolkit. Crystal structures (CIF, POSCAR), phase diagrams, band structure, DOS, Materials Project integration, format conversion, for computational materials science.
Transforms vague UI ideas into polished, Stitch-optimized prompts. Enhances specificity, adds UI/UX keywords, injects design system context, and structures output for better generation results.
Take posthog/competitor-data-verifier from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.