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The server queries Gmail's label API and thread endpoints, returning structured metadata that enables label-based email organization and thread-aware message grouping.","intents":["I want Claude to understand my Gmail label structure and organize emails by label","I need to retrieve all messages in a specific thread with conversation context","I want to filter email searches by custom labels I've created"],"best_for":["Users with complex Gmail label hierarchies wanting AI-driven organization","Teams building email conversation analysis tools","Developers creating label-aware email automation"],"limitations":["Label hierarchy is read-only — no capability to create or modify labels","Thread metadata does not include full message bodies — requires separate message fetch calls","System labels (All Mail, Spam, etc.) may behave differently than custom labels in API responses"],"requires":["Valid Gmail OAuth2 access token","Gmail API with labels.list and threads.get scopes enabled"],"input_types":["Label ID (string)","Thread ID (string)","Query parameters for filtering"],"output_types":["Label objects (id, name, messageCount, threadCount, type)","Thread objects (id, snippet, historyId, messages array with metadata)"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-gongrzheserver-gmail-autoauth-mcp__cap_5","uri":"capability://tool.use.integration.automatic.token.refresh.and.credential.lifecycle.management","name":"automatic token refresh and credential lifecycle management","description":"Implements background token refresh logic that automatically renews expired OAuth2 access tokens using stored refresh tokens. 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