competitor-spy-tool（竞争对手间谍工具）

Competitor Spy Tool

Overview

The Competitor Spy Tool automates continuous monitoring of competitor websites, pricing structures, content updates, and search engine rankings. This skill integrates with SerpAPI for SERP tracking, web_search for content discovery, Slack for real-time alerts, and Google Sheets for historical data logging.

Why it matters: Competitive intelligence is mission-critical. Manual monitoring across 5+ competitors is time-consuming and error-prone. This tool eliminates guesswork by automating daily scans, flagging price changes within 24 hours, tracking new blog posts, and monitoring keyword position shifts—enabling you to react faster than competitors.

Perfect for: SaaS founders, e-commerce managers, digital agencies, content strategists, and growth teams who need to stay ahead of market movements.

Quick Start

Try these prompts immediately:

Monitor these 3 competitors for pricing changes daily:
- competitor1.com
- competitor2.com
- competitor3.com

Alert me via Slack when prices drop by 10%+ or new products launch.

Track keyword rankings for "AI email marketing" across my competitors.
Show me which competitor owns positions 1-3 and what changed since yesterday.

Scan competitor blog feeds for new content published in the last 24 hours.
Flag posts about pricing, features, or product launches. Send summary to Slack.

Create a weekly competitive analysis report:
- Pricing changes detected
- New landing pages launched
- Top-performing keywords they're targeting
- Content gaps I can exploit

Monitor competitor email signup flows and landing page copy changes.
Screenshot key pages and store versions for comparison over time.

Capabilities

1. Pricing Monitoring

Automatically scrapes and tracks competitor pricing pages, detects changes, and calculates percentage deltas. Stores historical pricing data in a spreadsheet for trend analysis.

Example usage:

Track pricing for:
- SaaS plans (Starter, Pro, Enterprise tiers)
- Add-on features and overage costs
- Discount codes and promotional pricing

Alert threshold: 5% change triggers notification

2. Content Discovery & Tracking

Monitors RSS feeds, blog indexes, and sitemap updates to detect new content within hours. Categorizes posts by topic (pricing, features, case studies, thought leadership) and extracts key metadata.

Example usage:

Monitor competitor blog feeds for:
- New blog posts (title, URL, publication date)
- Product announcements
- Case studies and testimonials
- Webinar/event announcements

3. Keyword Position Tracking

Uses SerpAPI to track your competitors' keyword rankings across 50+ target keywords. Shows position changes, search volume, and estimated traffic for each keyword.

Example usage:

Track these keywords across competitors:
- "AI email marketing platform"
- "email automation software"
- "marketing automation ROI"

Show daily position changes and traffic estimates

4. Landing Page Monitoring

Captures screenshots and stores HTML snapshots of competitor landing pages. Detects copy changes, CTA button text modifications, headline shifts, and visual redesigns.

Example usage:

Monitor landing page changes:
- Homepage headlines and value propositions
- Pricing page copy and CTA buttons
- Feature comparison tables
- Trust signals (testimonials, logos, certifications)

5. Competitive Intelligence Reporting

Generates weekly/monthly reports with:

• Pricing trend analysis
• Content volume and topic distribution
• Keyword ranking movements
• Market share signals
• Actionable gaps and opportunities

Configuration

Required Environment Variables

# API Keys & Webhooks
export COMPETITOR_DOMAINS="competitor1.com,competitor2.com,competitor3.com"
export SERP_API_KEY="your_serpapi_key_here"
export SLACK_WEBHOOK_URL="https://hooks.slack.com/services/YOUR/WEBHOOK/URL"
export GOOGLE_SHEETS_API_KEY="your_google_api_key"
export GOOGLE_SHEET_ID="your_sheet_id"

# Optional: For advanced features
export BROWSERLESS_API_KEY="your_browserless_key"
export MAILGUN_API_KEY="for_email_alerts"

Setup Instructions

1. Get API Keys:

- SerpAPI: Sign up at serpapi.com, create API key - Slack: Create webhook at api.slack.com/apps - Google Sheets: Enable API in Google Cloud Console

1. Add Competitor Domains:

   # Create config file
   cat > competitor_config.json << EOF
   {
     "competitors": [
       {
         "name": "Competitor A",
         "domain": "competitor-a.com",
         "pricing_page": "/pricing",
         "blog_feed": "/blog/feed.xml",
         "keywords": ["email marketing", "automation"]
       },
       {
         "name": "Competitor B",
         "domain": "competitor-b.com",
         "pricing_page": "/plans",
         "blog_feed": "/feed.xml",
         "keywords": ["email campaigns", "marketing"]
       }
     ],
     "check_frequency": "daily",
     "alert_threshold": 5
   }
   EOF

1. Initialize Google Sheet:

- Create sheet with columns: Date, Competitor, Metric, Old Value, New Value, Change % - Share with service account email

1. Test Connection:

   curl -X POST $SLACK_WEBHOOK_URL \
     -H 'Content-Type: application/json' \
     -d '{"text":"Competitor Spy Tool initialized ✅"}'

Example Outputs

Slack Alert (Price Change Detected)

🚨 PRICE CHANGE DETECTED
Competitor: TechRival Inc.
Change: Pro Plan $99 → $79 (-20%)
Detected: 2024-01-15 09:34 AM
Action: Review competitive positioning

Content Discovery Report

📰 NEW COMPETITOR CONTENT (Last 24h)
Competitor A:
  ✓ "5 Email Marketing Trends for 2024" (Blog)
  ✓ "Case Study: 40% Open Rate Improvement" (Case Study)
  
Competitor B:
  ✓ "Product Launch: AI Subject Line Generator" (Announcement)
  ✓ "Pricing Update: Enterprise Tier Added" (Update)

Total posts: 4 | New features: 1 | Pricing changes: 1

Keyword Ranking Report

📊 KEYWORD RANKINGS (vs. 24h ago)
Keyword: "email marketing automation"
  Competitor A: Position 3 (↑ 1) | Est. Traffic: 1.2K/mo
  Competitor B: Position 5 (↓ 2) | Est. Traffic: 890/mo
  You: Position 2 (→) | Est. Traffic: 1.8K/mo

Opportunity: Competitor A gaining momentum. Consider content refresh.

Weekly Intelligence Summary

📈 WEEKLY COMPETITIVE INTELLIGENCE
Period: Jan 8-14, 2024

PRICING MOVEMENTS:
  • 2 competitors raised prices (avg +8%)
  • 1 competitor introduced annual discount
  • Enterprise tier pricing now $599-999 (range: 500-1200)

CONTENT VELOCITY:
  • Avg posts/competitor: 6.3/week
  • Top topics: AI features (35%), case studies (25%)
  • Your gap: Limited thought leadership content

KEYWORD SHIFTS:
  • 15 keywords tracked
  • Avg position change: -0.2 (slight improvement)
  • New keyword targets emerging: "generative AI marketing"

RECOMMENDED ACTIONS:
  1. Publish 2-3 thought leadership posts on AI
  2. Consider enterprise pricing adjustment
  3. Target "generative AI marketing" keyword cluster

Tips & Best Practices

1. Set Smart Alert Thresholds

• Price changes: 5-10% (lower for commodities, higher for SaaS)
• Content: Alert on product announcements, not every blog post
• Keywords: Flag position changes >3 spots, not minor fluctuations

2. Organize by Competitive Tier

Monitor direct competitors (same market, price) separately from adjacent players. Direct competitors warrant daily checks; adjacent players, weekly.

{
  "tier_1_direct": ["competitor1.com", "competitor2.com"],
  "tier_2_adjacent": ["adjacent1.com", "adjacent2.com"],
  "tier_3_emerging": ["startup1.com"]
}

3. Create Keyword Clusters

Group keywords by intent (pricing, features, use cases) to spot trends faster.

Pricing Intent: "cost", "pricing", "plans", "enterprise pricing"
Feature Intent: "AI", "automation", "integrations"
Use Case Intent: "B2B email", "ecommerce marketing"

4. Establish Baseline Data

Run initial scans for 2 weeks to establish normal patterns before setting alerts. This prevents false positives from minor page updates.

5. Cross-Reference with Your Metrics

Correlate competitor pricing changes with your conversion rates, churn, and customer feedback. Price wars often signal market saturation.

6. Automate Report Distribution

Schedule weekly reports to Slack #competitive-intel channel. Include executive summary + detailed metrics for strategy team.

Safety & Guardrails

What This Skill Will NOT Do

• Scrape protected content: This tool respects robots.txt and Terms of Service. It will not bypass authentication, paywalls, or CAPTCHA challenges.
• Access private data: No scraping of customer data, internal documents, or confidential information.
• Violate GDPR/CCPA: No personal data collection. Monitoring is limited to public-facing pages only.
• Impersonate users: All requests include proper User-Agent headers and identify as a monitoring bot.
• Exceed rate limits: Built-in throttling respects server load (max 10 requests/minute per domain).

Ethical Boundaries

This tool monitors public, published content only:

• ✅ Public pricing pages
• ✅ Published blog posts and RSS feeds
• ✅ Public search engine rankings
• ✅ Landing page copy and screenshots
• ❌ Customer databases or user accounts
• ❌ Confidential internal documents
• ❌ Password-protected areas

Legal Compliance

• Ensure your use complies with local laws and competitor ToS
• Document your monitoring for audit trails
• Do not share competitor data publicly without attribution
• Use intelligence for strategic decisions, not misleading marketing claims

Troubleshooting

"API Rate Limit Exceeded"

Problem: SerpAPI or competitor servers are rate-limiting requests. Solution:

• Reduce check frequency from daily to every 2 days
• Increase delay between requests: delay: 5000ms in config
• Upgrade SerpAPI plan for higher limits

"Slack Webhook URL Invalid"

Problem: Webhook URL is expired or incorrectly formatted. Solution:

# Test webhook
curl -X POST $SLACK_WEBHOOK_URL \
  -H 'Content-Type: application/json' \
  -d '{"text":"Test message"}'

# If 404, regenerate webhook at api.slack.com/apps

"No Price Changes Detected (False Negative)"

Problem: Competitor uses dynamic pricing, JavaScript rendering, or session-based prices. Solution:

• Enable Browserless rendering: use_browserless: true
• Add CSS selectors for price elements: price_selector: ".plan-price"
• Manually verify on competitor site; may be A/B testing

"Google Sheets Not Updating"

Problem: Service account lacks write permissions. Solution:

# Share sheet with service account email
# Grant Editor role (not Viewer)
# Test write permission
curl -X POST https://sheets.googleapis.com/v4/spreadsheets/$GOOGLE_SHEET_ID/values/Sheet1!A1:append \
  -H "Authorization: Bearer $GOOGLE_SHEETS_API_KEY" \
  -d '{"values":[["Test","Data"]]}'

"Competitor Domain Returns 403/429"

Problem: Server is blocking automated requests. Solution:

• Add rotating User-Agent headers
• Use residential proxy service (Bright Data, Smartproxy)
• Increase delay between requests
• Contact competitor's support if monitoring is legitimate

FAQ

Q: How often should I check competitors? A: Daily for direct competitors, weekly for adjacent players, monthly for emerging threats.

Q: Can I monitor 50+ competitors? A: Yes, but scale API costs. Consider tiering: top 5 daily, next 15 weekly, others monthly.

Q: What if a competitor blocks my IP? A: Use a proxy rotation service or contact them directly—legitimate competitive monitoring is defensible.

Q: How do I export data for analysis? A: All data syncs to Google Sheets. Export as CSV/Excel for further analysis in Tableau, Looker, or custom dashboards.

Q: Is this legal? A: Yes, monitoring public content is legal. Ensure you're not violating ToS, accessing protected areas, or using data deceptively.

Integration Examples

Slack Workflow

Daily at 9 AM → Run competitor scans → Slack alert if changes detected → Weekly summary to #strategy

Google Sheets Historical Tracking

Append daily scan results → 12-month pricing history → Trend analysis charts

WordPress Blog Integration

Detect competitor blog posts → Auto-create draft response posts → Publish counter-content

Zapier Automation

Competitor price drop → Create Asana task → Notify sales team → Log to CRM

Support & Updates

For issues, feature requests, or contributions: GitHub Issues

Version History:

• 1.0.0 (Current): Initial release with pricing, content, and keyword monitoring

Tags: competitive-intelligence, web-scraping, market-research, pricing-monitoring, seo-tracking, automation, saas, ecommerce