{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm_npm-agentmail-mcp","slug":"npm-agentmail-mcp","name":"agentmail-mcp","type":"mcp","url":"https://www.npmjs.com/package/agentmail-mcp","page_url":"https://unfragile.ai/npm-agentmail-mcp","categories":["mcp-servers"],"tags":["agentmail","mcp","server","tools"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm_npm-agentmail-mcp__cap_0","uri":"capability://tool.use.integration.email.account.connection.via.mcp","name":"email-account-connection-via-mcp","description":"Establishes secure connections to email accounts (Gmail, Outlook, etc.) through the Model Context Protocol, enabling AI agents to authenticate and maintain persistent sessions without storing credentials in agent memory. Uses MCP's resource-based architecture to abstract email provider APIs behind a standardized interface, allowing multiple email accounts to be registered and switched dynamically at runtime.","intents":["Connect an AI agent to my email account so it can read and send messages on my behalf","Set up multiple email accounts for a single agent to manage across different domains","Authenticate email access without embedding API keys directly in agent code"],"best_for":["AI agent developers building email automation workflows","Teams deploying multi-tenant email management systems","Developers migrating from direct API integrations to MCP-based architectures"],"limitations":["Requires pre-configuration of OAuth credentials or app-specific passwords before agent runtime","No built-in credential rotation — relies on external secret management systems","Connection pooling and session management delegated to underlying email provider SDKs"],"requires":["Node.js 16+","MCP client implementation (Claude Desktop, custom MCP host, or compatible framework)","OAuth credentials or app-specific password for target email provider","agentmail-mcp package installed via npm"],"input_types":["email provider credentials (OAuth tokens or app passwords)","account identifiers (email addresses or account IDs)"],"output_types":["authenticated session handles","connection status metadata"],"categories":["tool-use-integration","authentication"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_1","uri":"capability://search.retrieval.email.reading.with.filtering.and.pagination","name":"email-reading-with-filtering-and-pagination","description":"Retrieves emails from connected accounts with support for filtering by sender, subject, date range, and read status, plus cursor-based pagination for handling large mailboxes. Implements lazy-loading to avoid overwhelming agent context with full email bodies, returning metadata-first results that agents can selectively expand. Uses MCP's tool calling interface to expose filter parameters as structured function arguments.","intents":["Fetch unread emails from my inbox to process them in batches","Search for emails from a specific sender within a date range","Paginate through large mailboxes without loading all messages into memory","Get email metadata (subject, sender, date) before deciding which full messages to read"],"best_for":["Agents processing high-volume inboxes (100+ emails)","Workflows requiring selective email processing based on metadata","Systems with strict context window constraints"],"limitations":["Filtering happens server-side via email provider APIs — complex queries may hit provider rate limits","Pagination cursor format is provider-specific and not standardized across Gmail/Outlook","Full-text search across email bodies requires separate indexing; basic filtering only on standard fields"],"requires":["Active email account connection via agentmail-mcp","MCP client supporting tool calling with structured parameters","Email provider supporting filter operations (Gmail, Outlook, IMAP)"],"input_types":["filter parameters: sender (string), subject (string), date_from (ISO 8601), date_to (ISO 8601), is_unread (boolean)","pagination cursor (opaque string from previous response)"],"output_types":["email metadata array: {id, from, subject, date, preview, is_unread}","pagination cursor for next batch","total count estimate"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_2","uri":"capability://data.processing.analysis.email.body.retrieval.with.attachment.handling","name":"email-body-retrieval-with-attachment-handling","description":"Fetches full email message bodies including HTML/plain text content and attachment metadata (filename, MIME type, size) through MCP tools. Handles MIME parsing server-side to extract multipart content, returning structured text and attachment references that agents can selectively download. Supports both inline content and file attachments without embedding binary data in agent context.","intents":["Get the full text content of a specific email after filtering by metadata","List attachments in an email and decide which ones to download","Extract structured data from email bodies (invoices, receipts, forms)","Handle emails with both HTML and plain-text alternatives"],"best_for":["Workflows extracting information from email bodies","Systems processing emails with attachments","Agents needing selective attachment retrieval to manage bandwidth"],"limitations":["Large email bodies (>100KB) may exceed agent context limits — requires chunking or summarization","Attachment download is separate operation; metadata only returned in body retrieval","HTML emails returned as-is without sanitization — agents must handle malicious content"],"requires":["Email ID from prior email-reading operation","Active email account connection","MCP client supporting streaming or chunked responses for large emails"],"input_types":["email ID (string, provider-specific format)"],"output_types":["email body: {text_content, html_content, plain_text}","attachments array: {filename, mime_type, size_bytes, attachment_id}","email headers: {from, to, cc, bcc, subject, date}"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_3","uri":"capability://tool.use.integration.email.sending.with.template.support","name":"email-sending-with-template-support","description":"Sends emails through connected accounts with support for plain text, HTML content, attachments, and CC/BCC recipients. Implements template substitution (variable replacement in subject/body) server-side to avoid exposing template logic to agents. Uses MCP tool calling to validate recipient addresses and attachment paths before sending, with optional draft preview before commit.","intents":["Send a simple email reply to a message the agent just read","Compose and send emails with HTML formatting and attachments","Use email templates with variable substitution (e.g., 'Hello {name}')","Preview draft emails before sending to avoid mistakes"],"best_for":["Agents automating email responses and notifications","Workflows requiring templated bulk emails","Systems with approval workflows (draft preview before send)"],"limitations":["Template variables must be pre-defined; no dynamic template generation","Attachment paths must be accessible to MCP server process — no direct file upload from agent","No scheduling support — emails send immediately upon tool invocation","Rate limiting depends on email provider; bulk sending may hit quotas"],"requires":["Active email account connection","Recipient email addresses (valid format)","For attachments: file paths accessible to MCP server","MCP client supporting tool calling with response validation"],"input_types":["recipient: {to: string[], cc?: string[], bcc?: string[]}","content: {subject: string, body_text: string, body_html?: string}","template_vars?: {[key: string]: string}","attachments?: {path: string, filename?: string}[]","draft_mode?: boolean"],"output_types":["send confirmation: {message_id, timestamp, status}","draft preview (if draft_mode=true): {rendered_subject, rendered_body_preview}"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_4","uri":"capability://automation.workflow.email.folder.management.and.organization","name":"email-folder-management-and-organization","description":"Lists, creates, and moves emails between folders (labels in Gmail, folders in Outlook) through MCP tools. Implements folder hierarchy traversal and supports both standard folders (Inbox, Sent, Trash) and custom user-created folders. Moves are atomic operations that update email state server-side, with support for bulk operations (move multiple emails in one call) to reduce round-trips.","intents":["Move processed emails to an archive folder to keep inbox clean","Organize emails into project-specific folders based on content","List all available folders to understand mailbox structure","Bulk-move multiple emails in a single operation"],"best_for":["Agents implementing email triage and organization workflows","Systems managing high-volume inboxes with folder-based workflows","Workflows requiring bulk email operations"],"limitations":["Folder structure is provider-specific (Gmail labels vs Outlook folders) — no normalization layer","Bulk move operations have provider-specific limits (e.g., Gmail: 1000 emails per batch)","No folder deletion support — only move/archive operations","Custom folder creation may fail if quota exceeded"],"requires":["Active email account connection","Email IDs for move operations","Folder names or IDs (provider-specific format)"],"input_types":["folder_name: string (e.g., 'Archive', 'Projects/ClientA')","email_ids: string[]","create_if_missing?: boolean"],"output_types":["folder list: {id, name, unread_count, total_count, parent_id}","move confirmation: {moved_count, failed_count, errors?}"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_5","uri":"capability://automation.workflow.email.marking.and.state.management","name":"email-marking-and-state-management","description":"Updates email state flags (read/unread, starred, flagged) through MCP tools with support for bulk operations. Implements atomic state transitions (mark as read, unread, spam, trash) with server-side validation to prevent invalid state changes. Supports conditional marking (e.g., mark all unread emails from sender X as read) through filter-then-mark patterns.","intents":["Mark an email as read after the agent processes it","Flag important emails for later review","Bulk-mark all emails from a sender as read","Move emails to spam/trash folder and mark as such"],"best_for":["Agents implementing email processing workflows with state tracking","Systems requiring bulk state updates","Workflows with conditional marking logic"],"limitations":["State flags are provider-specific (Gmail labels vs Outlook categories) — no abstraction layer","Bulk marking operations have provider rate limits","No custom flags — only standard email states (read, starred, flagged, spam, trash)","State changes are immediate — no transaction rollback"],"requires":["Active email account connection","Email IDs for state updates","Valid state values per provider"],"input_types":["email_ids: string[]","state: 'read' | 'unread' | 'starred' | 'flagged' | 'spam' | 'trash'","toggle?: boolean (for starred/flagged)"],"output_types":["state update confirmation: {updated_count, failed_count, new_state}"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_6","uri":"capability://search.retrieval.email.search.with.advanced.filtering","name":"email-search-with-advanced-filtering","description":"Provides advanced email search through MCP tools supporting full-text search, date ranges, sender/recipient filtering, and subject matching. Implements server-side query parsing to convert natural language filters into provider-specific search syntax (Gmail query language, Outlook KQL). Results are paginated and ranked by relevance, with optional sorting by date or sender.","intents":["Search for emails containing specific keywords across all folders","Find emails from a sender within a date range","Search for emails with specific subject patterns","Combine multiple filters (e.g., 'unread from john@example.com since last week')"],"best_for":["Agents implementing email discovery and analysis workflows","Systems requiring complex email queries","Workflows with natural language search input"],"limitations":["Search syntax varies by provider (Gmail vs Outlook) — complex queries may not translate","Full-text search performance degrades on very large mailboxes (1M+ emails)","No custom indexing — relies on provider's built-in search","Search results may be stale if mailbox is actively receiving emails"],"requires":["Active email account connection","Search query in provider-compatible format or natural language","MCP client supporting tool calling with structured parameters"],"input_types":["query: string (natural language or provider syntax)","filters: {from?: string, to?: string, subject?: string, date_from?: ISO 8601, date_to?: ISO 8601, has_attachment?: boolean}","sort_by?: 'relevance' | 'date' | 'sender'","limit?: number"],"output_types":["search results: {id, from, subject, date, preview, relevance_score}[]","total_matches: number","search_time_ms: number"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-agentmail-mcp__cap_7","uri":"capability://tool.use.integration.mcp.protocol.compliance.and.resource.management","name":"mcp-protocol-compliance-and-resource-management","description":"Implements the Model Context Protocol specification for email operations, exposing email accounts as MCP resources and email operations as MCP tools with standardized request/response schemas. Handles resource lifecycle (connect, disconnect, list), tool parameter validation, and error responses according to MCP spec. Supports MCP's sampling feature for streaming large email lists and implements proper resource cleanup on disconnection.","intents":["Integrate agentmail-mcp with MCP-compatible clients (Claude Desktop, custom hosts)","Ensure email operations follow standardized MCP tool calling patterns","Manage multiple email account resources within a single MCP session","Stream large email lists without overwhelming agent context"],"best_for":["Developers building MCP-compatible AI agent frameworks","Teams standardizing on MCP for tool integration","Systems requiring interoperability across multiple MCP servers"],"limitations":["MCP spec compliance requires strict schema validation — custom parameters not supported","Resource management overhead adds ~50-100ms per operation","Sampling/streaming support depends on MCP client implementation","No built-in authentication for MCP server itself — relies on transport-level security"],"requires":["MCP client implementation (Claude Desktop, custom MCP host, etc.)","agentmail-mcp running as MCP server process","Node.js 16+ for MCP server runtime"],"input_types":["MCP tool requests with standardized schemas","MCP resource references (email account IDs)"],"output_types":["MCP tool responses with standardized error handling","MCP resource metadata","Streaming responses for large result sets"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":26,"verified":false,"data_access_risk":"high","permissions":["Node.js 16+","MCP client implementation (Claude Desktop, custom MCP host, or compatible framework)","OAuth credentials or app-specific password for target email provider","agentmail-mcp package installed via npm","Active email account connection via agentmail-mcp","MCP client supporting tool calling with structured parameters","Email provider supporting filter operations (Gmail, Outlook, IMAP)","Email ID from prior email-reading operation","Active email account connection","MCP client supporting streaming or chunked responses for large emails"],"failure_modes":["Requires pre-configuration of OAuth credentials or app-specific passwords before agent runtime","No built-in credential rotation — relies on external secret management systems","Connection pooling and session management delegated to underlying email provider SDKs","Filtering happens server-side via email provider APIs — complex queries may hit provider rate limits","Pagination cursor format is provider-specific and not standardized across Gmail/Outlook","Full-text search across email bodies requires separate indexing; basic filtering only on standard fields","Large email bodies (>100KB) may exceed agent context limits — requires chunking or summarization","Attachment download is separate operation; metadata only returned in body retrieval","HTML emails returned as-is without sanitization — agents must handle malicious content","Template variables must be pre-defined; no dynamic template generation","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.26,"ecosystem":0.42,"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":"2026-05-24T12:16:23.903Z","last_scraped_at":"2026-05-03T14:23:53.877Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=npm-agentmail-mcp","compare_url":"https://unfragile.ai/compare?artifact=npm-agentmail-mcp"}},"signature":"jlRFdWzuuGroqsrqv5aGlj1efkG4WXlATd9Bo0gc9DVacYJ2/pvLOlNBuueDKBzO8XHkFMCU08YNm5qsFPkbAw==","signedAt":"2026-06-21T00:41:29.266Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-agentmail-mcp","artifact":"https://unfragile.ai/npm-agentmail-mcp","verify":"https://unfragile.ai/api/v1/verify?slug=npm-agentmail-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"}}