{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm-gongrzhe-server-gmail-autoauth-mcp","slug":"gongrzhe-server-gmail-autoauth-mcp","name":"@gongrzhe/server-gmail-autoauth-mcp","type":"mcp","url":"https://github.com/gongrzhe/server-gmail-autoauth-mcp#readme","page_url":"https://unfragile.ai/gongrzhe-server-gmail-autoauth-mcp","categories":["mcp-servers"],"tags":["gmail","mcp","cursor","ai","oauth","model-context-protocol","google-gmail","claude","auto-auth"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_0","uri":"capability://tool.use.integration.oauth2.auto.authentication.for.gmail.api","name":"oauth2 auto-authentication for gmail api","description":"Implements automatic OAuth2 token acquisition and refresh for Gmail API access without manual credential management. The server handles the full OAuth2 flow including authorization code exchange, token storage, and automatic refresh token rotation, eliminating the need for developers to manually manage credentials or implement OAuth2 boilerplate. Integrates with Google's OAuth2 endpoints and maintains persistent token state across MCP server sessions.","intents":["Set up Gmail integration in Claude/Cursor without manually managing OAuth2 credentials","Automatically refresh Gmail API tokens without interrupting agent workflows","Eliminate credential management complexity when building Gmail-connected AI agents"],"best_for":["AI developers building Claude/Cursor agents that need Gmail access","Teams deploying MCP servers without dedicated OAuth2 infrastructure","Solo developers prototyping Gmail-integrated AI applications"],"limitations":["Requires initial manual OAuth2 consent flow to obtain refresh token","Token storage mechanism not specified — may lack encryption at rest","Single-user authentication model — no multi-account or delegated access support","Depends on Google OAuth2 service availability and rate limits"],"requires":["Google Cloud project with Gmail API enabled","OAuth2 client credentials (client_id, client_secret)","Node.js 16+ runtime","Network access to Google OAuth2 endpoints"],"input_types":["OAuth2 authorization code (from initial consent flow)","Google Cloud credentials JSON"],"output_types":["Bearer tokens for Gmail API requests","Refresh tokens for long-lived sessions"],"categories":["tool-use-integration","authentication"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_1","uri":"capability://tool.use.integration.gmail.message.retrieval.and.filtering","name":"gmail message retrieval and filtering","description":"Exposes Gmail message listing and retrieval operations through MCP tools, supporting query-based filtering using Gmail's search syntax (labels, from/to, date ranges, full-text search). The server translates MCP tool calls into Gmail API list/get requests with support for pagination and selective field retrieval, enabling AI agents to search and fetch email messages without direct API knowledge.","intents":["Search Gmail inbox for messages matching specific criteria (sender, subject, date, labels)","Retrieve full message content including headers, body, and attachments metadata","Implement email-based workflows in AI agents (e.g., find unread emails, filter by label)"],"best_for":["AI agents automating email triage and information extraction","Developers building email-aware chatbots or assistants","Teams implementing email-based notification or alert systems"],"limitations":["Attachment content retrieval likely limited to metadata — binary attachment handling not specified","Gmail search syntax complexity may require agent prompting to construct valid queries","No built-in pagination state management — agents must handle nextPageToken manually","Rate limits inherited from Gmail API (quota per user, per project)"],"requires":["Gmail API enabled in Google Cloud project","Valid OAuth2 authentication token with Gmail scope","MCP client capable of invoking tool definitions"],"input_types":["Gmail search query string (e.g., 'from:user@example.com is:unread')","Message ID (for direct retrieval)","Pagination token"],"output_types":["Message objects with headers, body, labels, snippet","Attachment metadata (filename, MIME type, size)"],"categories":["tool-use-integration","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_2","uri":"capability://tool.use.integration.gmail.message.composition.and.sending","name":"gmail message composition and sending","description":"Provides MCP tools for composing and sending emails through Gmail API, handling MIME message construction, recipient validation, and attachment encoding. The server abstracts Gmail's message format requirements (RFC 2822 MIME structure) and manages the send operation through the Gmail API, allowing AI agents to compose emails with proper formatting without manual MIME handling.","intents":["Send emails from Gmail account via AI agent instructions","Compose emails with multiple recipients, CC/BCC, and subject lines","Attach files to outgoing emails and handle encoding"],"best_for":["AI agents automating email responses or notifications","Developers building email-based workflows triggered by AI decisions","Teams implementing automated customer communication systems"],"limitations":["Attachment handling mechanism not specified — may have file size or type restrictions","No draft saving capability — emails are sent immediately or not at all","Limited email formatting support — likely plain text or basic HTML only","No scheduling or delayed send functionality"],"requires":["Gmail API enabled with send scope","Valid OAuth2 authentication token","Sender email address must be the authenticated Gmail account"],"input_types":["Recipient email addresses (to, cc, bcc)","Subject line (string)","Message body (plain text or HTML)","Attachment file paths or binary data"],"output_types":["Message ID of sent email","Confirmation of successful send"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_3","uri":"capability://tool.use.integration.gmail.label.management.and.organization","name":"gmail label management and organization","description":"Exposes Gmail label operations (create, list, modify, delete) through MCP tools, enabling AI agents to organize messages by applying or removing labels. The server translates label operations into Gmail API calls, supporting label hierarchy and color customization, allowing agents to implement email organization workflows without direct API knowledge.","intents":["Automatically label incoming emails based on content or sender","Create new labels for organizing email workflows","Move messages between labels as part of email triage automation"],"best_for":["AI agents implementing email organization and triage workflows","Developers building smart email filtering systems","Teams automating email categorization based on content analysis"],"limitations":["Label hierarchy depth and nesting rules may be restricted by Gmail API","Bulk label operations not specified — may require per-message API calls","No label-based access control — all labels visible to authenticated user","Label deletion may fail if messages still reference the label"],"requires":["Gmail API enabled with label modification scope","Valid OAuth2 authentication token","MCP client supporting tool invocation"],"input_types":["Label name (string)","Label color (optional, hex or predefined)","Message IDs for label application","Parent label (for nested labels)"],"output_types":["Label ID and metadata","Confirmation of label operations","List of all labels with hierarchy"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_4","uri":"capability://tool.use.integration.mcp.tool.schema.definition.and.invocation","name":"mcp tool schema definition and invocation","description":"Implements the Model Context Protocol (MCP) server interface, exposing Gmail capabilities as standardized tool definitions with JSON schema validation. The server defines tool schemas for each Gmail operation (list messages, send email, apply labels) and handles tool invocation requests from MCP clients (Claude, Cursor), managing parameter validation and response formatting according to MCP specification.","intents":["Expose Gmail operations as callable tools in Claude/Cursor","Enable AI models to discover available Gmail capabilities via MCP tool listing","Validate tool parameters and enforce schema constraints before executing Gmail API calls"],"best_for":["Developers integrating Gmail with Claude or Cursor via MCP","Teams building custom MCP servers for email automation","AI application builders needing standardized tool interfaces"],"limitations":["Tool schema complexity may limit AI model's ability to construct valid invocations","No built-in tool usage analytics or logging — requires external instrumentation","MCP protocol version compatibility not specified — may break with future protocol changes","Tool timeout handling not specified — long-running operations may fail"],"requires":["MCP client implementation (Claude, Cursor, or custom)","Node.js 16+ runtime","MCP protocol version compatibility"],"input_types":["Tool invocation requests (JSON-RPC format)","Tool parameters matching schema definitions"],"output_types":["Tool execution results (JSON)","Error responses with diagnostic information"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_5","uri":"capability://tool.use.integration.persistent.token.storage.and.refresh.lifecycle","name":"persistent token storage and refresh lifecycle","description":"Manages OAuth2 token persistence across server restarts and automatic refresh token rotation. The server stores tokens in a persistent backend (file system or database — mechanism not specified) and implements automatic refresh logic triggered before token expiration, ensuring continuous Gmail API access without manual re-authentication.","intents":["Maintain Gmail API access across server restarts without re-authentication","Automatically refresh expired tokens before they cause API failures","Persist authentication state for long-running AI agent deployments"],"best_for":["Production deployments of Gmail-connected AI agents","Teams running MCP servers continuously without manual intervention","Developers building always-on email automation systems"],"limitations":["Token storage mechanism not specified — may lack encryption or secure storage","No multi-instance token synchronization — distributed deployments may have stale tokens","Refresh token expiration handling not specified — may require manual re-authentication after 6 months","No token revocation or logout mechanism documented"],"requires":["Persistent storage backend (file system or database)","Valid refresh token from initial OAuth2 flow","Network access to Google OAuth2 endpoints for refresh"],"input_types":["Refresh token (from initial authentication)","Token expiration metadata"],"output_types":["Valid access token for Gmail API requests","Updated token expiration time"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_6","uri":"capability://tool.use.integration.gmail.draft.management.and.editing","name":"gmail draft management and editing","description":"Provides MCP tools for creating, updating, and deleting Gmail drafts without sending. The server manages draft state in Gmail's draft folder, allowing AI agents to compose emails incrementally, save work-in-progress messages, and retrieve drafts for review or modification before sending.","intents":["Create draft emails for AI agent review before sending","Update draft content based on user feedback or additional context","Retrieve saved drafts for continuation or modification"],"best_for":["AI agents that need human-in-the-loop email composition","Developers building email workflows with review steps","Teams implementing email templates or draft management systems"],"limitations":["Draft-to-send conversion mechanism not specified","No version history or draft comparison functionality","Concurrent draft editing may cause conflicts — no locking mechanism","Draft attachment handling may have size or type restrictions"],"requires":["Gmail API enabled with draft modification scope","Valid OAuth2 authentication token","MCP client supporting tool invocation"],"input_types":["Draft content (subject, body, recipients)","Draft ID (for updates or retrieval)","Attachment data"],"output_types":["Draft ID and metadata","Draft content with formatting","Confirmation of draft operations"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm-gongrzhe-server-gmail-autoauth-mcp__cap_7","uri":"capability://tool.use.integration.gmail.thread.and.conversation.retrieval","name":"gmail thread and conversation retrieval","description":"Exposes Gmail thread operations through MCP tools, allowing AI agents to retrieve full email conversations (threads) with all related messages. The server handles thread ID resolution and message ordering, enabling agents to analyze email conversations in context without fetching individual messages separately.","intents":["Retrieve full email conversations for context-aware analysis","Understand email thread structure and message relationships","Implement conversation-based workflows (e.g., auto-reply to threads)"],"best_for":["AI agents analyzing email conversations for sentiment or intent","Developers building email-aware chatbots that need conversation context","Teams implementing email-based customer support automation"],"limitations":["Thread expansion may retrieve hundreds of messages — no built-in pagination or truncation","Message ordering within threads may not reflect chronological order in all cases","No thread-level metadata (e.g., participant list, topic) — requires message-level analysis","Deleted or archived messages in threads may be excluded"],"requires":["Gmail API enabled with message read scope","Valid OAuth2 authentication token","Thread ID (from message list or search results)"],"input_types":["Thread ID (string)","Optional: field selection for partial retrieval"],"output_types":["Array of messages in thread with full content","Thread metadata (labels, subject, participants)"],"categories":["tool-use-integration","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":43,"verified":false,"data_access_risk":"high","permissions":["Google Cloud project with Gmail API enabled","OAuth2 client credentials (client_id, client_secret)","Node.js 16+ runtime","Network access to Google OAuth2 endpoints","Gmail API enabled in Google Cloud project","Valid OAuth2 authentication token with Gmail scope","MCP client capable of invoking tool definitions","Gmail API enabled with send scope","Valid OAuth2 authentication token","Sender email address must be the authenticated Gmail account"],"failure_modes":["Requires initial manual OAuth2 consent flow to obtain refresh token","Token storage mechanism not specified — may lack encryption at rest","Single-user authentication model — no multi-account or delegated access support","Depends on Google OAuth2 service availability and rate limits","Attachment content retrieval likely limited to metadata — binary attachment handling not specified","Gmail search syntax complexity may require agent prompting to construct valid queries","No built-in pagination state management — agents must handle nextPageToken manually","Rate limits inherited from Gmail API (quota per user, per project)","Attachment handling mechanism not specified — may have file size or type restrictions","No draft saving capability — emails are sent immediately or not at all","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.6293322539958215,"quality":0.26,"ecosystem":0.6000000000000001,"match_graph":0.25,"freshness":0.52,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:23.902Z","last_scraped_at":"2026-05-03T14:04:47.472Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":70086,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=gongrzhe-server-gmail-autoauth-mcp","compare_url":"https://unfragile.ai/compare?artifact=gongrzhe-server-gmail-autoauth-mcp"}},"signature":"jc1WJzYdSRzsGoi5N4hDi/XSRKCphn5ysBix7ciO3lgIuWeDQ9EHIboTSLCeouhYRdb7GbFeuVW+hveD65+CAg==","signedAt":"2026-06-22T07:18:17.146Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/gongrzhe-server-gmail-autoauth-mcp","artifact":"https://unfragile.ai/gongrzhe-server-gmail-autoauth-mcp","verify":"https://unfragile.ai/api/v1/verify?slug=gongrzhe-server-gmail-autoauth-mcp","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}