[Claude] feat(skills): update SEO skills to use DataForSEO CLI + MCP tools

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom-skills/19-seo-keyword-strategy/desktop/SKILL.md

@@ -23,11 +23,31 @@ Expand seed keywords, classify search intent, cluster topics, and identify compe
 
 ## MCP Tool Usage
 
-### SEO Data
+### SEO Data (DataForSEO)
+
+**Primary — our-seo-agent CLI:**
+```bash
+our keywords volume "<keyword>" --location 2410 --language ko
+our keywords ideas "<keyword>" --location 2410 --limit 50
+our keywords for-site <competitor.com> --location 2410 --limit 100
+our keywords intent "<kw1>" "<kw2>" "<kw3>"
+our keywords difficulty "<kw1>" "<kw2>"
 ```
-our-seo-agent CLI: Primary keyword data source (future); use --input for pre-fetched JSON
-WebSearch / WebFetch: Live keyword research and autocomplete data
+
+**Interactive fallback — DataForSEO MCP:**
 ```
+mcp__dfs-mcp__dataforseo_labs_google_keyword_overview
+mcp__dfs-mcp__dataforseo_labs_google_keyword_ideas
+mcp__dfs-mcp__dataforseo_labs_google_keyword_suggestions
+mcp__dfs-mcp__dataforseo_labs_search_intent
+mcp__dfs-mcp__dataforseo_labs_bulk_keyword_difficulty
+mcp__dfs-mcp__kw_data_google_ads_search_volume
+mcp__dfs-mcp__dataforseo_labs_google_keywords_for_site
+```
+
+### Common Parameters
+- **location_code**: 2410 (Korea), 2840 (US), 2392 (Japan)
+- **language_code**: ko, en, ja
 
 ### Web Search for Naver Discovery
 ```
@@ -38,10 +58,11 @@ WebSearch: Naver autocomplete and trend discovery
 
 ### 1. Seed Keyword Expansion
 1. Input seed keyword (Korean or English)
-2. Query keyword data via our-seo-agent CLI, pre-fetched JSON, or WebSearch
-3. Get search suggestions for long-tail variations
-4. Apply Korean suffix expansion if Korean market
-5. Deduplicate and merge results
+2. Fetch search volume via `our keywords volume "<seed>" --location 2410 --language ko`
+3. Expand with `our keywords ideas "<seed>" --location 2410 --limit 50`
+4. Get autocomplete suggestions via MCP: `mcp__dfs-mcp__dataforseo_labs_google_keyword_suggestions`
+5. Apply Korean suffix expansion if Korean market
+6. Deduplicate and merge results
 
 ### 2. Intent Classification & Clustering
 1. Classify each keyword by search intent
@@ -50,10 +71,11 @@ WebSearch: Naver autocomplete and trend discovery
 4. Calculate cluster-level metrics (total volume, avg KD)
 
 ### 3. Gap Analysis
-1. Pull organic keywords for target and competitors
-2. Identify keywords present in competitors but missing from target
-3. Score opportunities by volume/difficulty ratio
-4. Prioritize by intent alignment with business goals
+1. Pull organic keywords for target: `our keywords for-site <target.com> --location 2410 --limit 100`
+2. Pull organic keywords for competitors: `our keywords for-site <competitor.com> --location 2410 --limit 100`
+3. Identify keywords present in competitors but missing from target
+4. Score opportunities by volume/difficulty ratio
+5. Prioritize by intent alignment with business goals
 
 ## Output Format