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skills/mongodb-usage/SKILL.md

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+---
+name: mongodb-usage
+description: This skill should be used when user asks to "query MongoDB", "show database collections", "get collection schema", "list MongoDB databases", "search records in MongoDB", or "check database indexes".
+---
+
+# MongoDB MCP Usage
+
+Use the MongoDB MCP server to integrate database queries into workflows.
+
+## Read-Only Access
+
+MongoDB MCP is configured in read-only mode. Only queries and data retrieval are supported. No write, update, or delete operations.
+
+## Database Queries
+
+Use `mcp__mongodb__*` tools for:
+
+- Listing databases
+- Viewing collection schemas
+- Querying collection data
+- Analyzing indexes
+
+## Integration Pattern
+
+1. List available databases with `mcp__mongodb__list_databases`
+2. Explore collections with `mcp__mongodb__list_collections`
+3. Get schema information with `mcp__mongodb__get_collection_schema`
+4. Query data as needed for analysis
+5. Format results for user consumption
+
+## Environment Variables
+
+MongoDB MCP requires:
+
+- `MONGODB_URI` - Connection string (mongodb://...)
+
+Configure in shell before using the plugin.
+
+## Cost Considerations
+
+- Minimize database calls when possible
+- Use schema queries before running analysis queries
+- Cache results locally if multiple calls needed
+- Prefer aggregation pipelines for complex operations