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Implements the MCP tool schema to define email operations (send, read, delete, etc.) with typed parameters and responses, allowing Claude or other MCP-compatible clients to discover and call email functions via the MCP transport layer without direct API knowledge.","intents":["I want to let Claude or another LLM interact with my email account through a standardized protocol","I need to expose email operations as discoverable tools that an AI agent can call","I want to build an email-aware AI assistant that can read and send emails on my behalf"],"best_for":["AI agent developers building email-integrated workflows","Teams implementing MCP-based AI automation","Developers wanting standardized LLM-to-email integration"],"limitations":["Requires MCP client implementation on the consumer side — not a standalone email API","Protocol overhead adds latency compared to direct REST API calls","Limited to operations exposed in the MCP tool schema — custom email logic requires schema extension"],"requires":["Node.js 16+","MCP-compatible client (Claude, custom LLM agent, etc.)","Email provider credentials or SMTP/IMAP configuration"],"input_types":["MCP tool invocation with typed parameters (recipient, subject, body, etc.)","Structured JSON payloads for email metadata"],"output_types":["MCP tool result with success/failure status","Email metadata (message ID, timestamp, sender, etc.)","Structured email list responses"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_1","uri":"capability://tool.use.integration.email.send.operation.with.mcp.tool.schema","name":"email send operation with mcp tool schema","description":"Implements a typed MCP tool that accepts email composition parameters (to, cc, bcc, subject, body, attachments) and executes the send operation through the underlying email provider (SMTP, API, etc.). The tool schema defines strict parameter validation and response formats, ensuring type safety and predictable LLM invocation behavior.","intents":["I want an AI agent to compose and send emails with proper validation","I need to ensure email sends include required fields like subject and recipient","I want the LLM to receive structured confirmation of sent emails"],"best_for":["Developers building AI assistants that draft and send emails","Teams automating email notifications from AI workflows","Agents that need to communicate via email as part of task execution"],"limitations":["No built-in retry logic for failed sends — requires external error handling","Attachment handling depends on underlying email provider capabilities","No scheduling support — sends immediately upon invocation","No template engine — body must be fully composed before send"],"requires":["Node.js 16+","Email provider configuration (SMTP credentials or API key)","MCP client capable of invoking tools with parameters"],"input_types":["MCP tool parameters: to (string), cc (string array), bcc (string array), subject (string), body (string), attachments (optional file paths)"],"output_types":["MCP tool result: { success: boolean, messageId: string, timestamp: ISO8601, error?: string }"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_10","uri":"capability://data.processing.analysis.email.attachment.handling.and.validation","name":"email attachment handling and validation","description":"Manages email attachments by validating file types, sizes, and scanning for malware before sending/receiving. Implements attachment extraction from received emails and provides file metadata (filename, MIME type, size) to agents. Supports optional virus scanning integration for security.","intents":["I want the agent to safely handle email attachments without security risks","I need to extract attachments from received emails for processing","I want to validate attachment types and sizes before sending"],"best_for":["Agents that exchange files via email","Teams with security requirements for email attachments","Developers building email-based document workflows"],"limitations":["Virus scanning requires external service integration (ClamAV, VirusTotal, etc.) — adds latency","File type validation is based on MIME type — can be spoofed","Large attachments may exceed email provider limits — requires pre-validation","Attachment extraction may fail for encrypted or corrupted emails"],"requires":["Node.js 16+","File system access for temporary attachment storage","Optional: virus scanning service (ClamAV, VirusTotal API key)"],"input_types":["Attachment for send: { filename: string, mimeType: string, data: Buffer|Stream }","Attachment validation config: { maxSize: number, allowedTypes: string[] }"],"output_types":["Attachment metadata: { filename: string, mimeType: string, size: number, scanStatus?: 'clean'|'infected'|'unknown' }"],"categories":["data-processing-analysis","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_2","uri":"capability://tool.use.integration.email.retrieval.and.filtering.with.mcp.tool","name":"email retrieval and filtering with mcp tool","description":"Exposes an MCP tool that queries the email inbox/folders with optional filters (sender, subject, date range, read status) and returns paginated results with email metadata (from, to, subject, date, preview). Implements query parameter validation and result formatting to ensure LLM agents receive structured, actionable email data without raw MIME parsing.","intents":["I want an AI agent to search my inbox for emails matching specific criteria","I need the agent to retrieve recent emails and summarize them","I want to filter emails by sender or date range for processing"],"best_for":["AI agents that need to read and analyze incoming emails","Developers building email triage or summarization workflows","Teams automating email-based task extraction"],"limitations":["Pagination requires multiple tool calls for large inboxes — no streaming support","Filter capabilities limited to basic metadata (sender, subject, date) — no full-text search","Email body preview may be truncated — full body requires separate fetch operation","No support for complex nested folder hierarchies"],"requires":["Node.js 16+","Email provider with IMAP/API access (Gmail, Outlook, etc.)","Proper authentication credentials configured"],"input_types":["MCP tool parameters: folder (string, default 'inbox'), from (optional sender filter), subject (optional subject filter), since (optional ISO8601 date), limit (optional, default 10)"],"output_types":["MCP tool result: { emails: [{ id, from, to, subject, date, preview, isRead }], total: number, hasMore: boolean }"],"categories":["tool-use-integration","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_3","uri":"capability://tool.use.integration.email.deletion.and.archive.operations.via.mcp","name":"email deletion and archive operations via mcp","description":"Implements MCP tools for destructive email operations (delete, archive, move to folder) with message ID-based targeting and confirmation responses. Includes safety patterns like soft-delete (archive) as the default destructive action and explicit confirmation in tool responses to prevent accidental data loss.","intents":["I want an AI agent to clean up or organize my inbox by deleting/archiving emails","I need the agent to move emails to specific folders based on content analysis","I want confirmation that destructive operations succeeded before proceeding"],"best_for":["Developers building email management agents","Teams automating inbox cleanup workflows","AI assistants that organize emails as part of task execution"],"limitations":["No bulk operations — each email requires separate tool invocation","No undo capability — relies on email provider's trash/recovery features","Archive behavior varies by provider (Gmail vs. Outlook) — may require provider-specific configuration","No conditional deletion rules — agent must explicitly invoke for each email"],"requires":["Node.js 16+","Email provider with folder/label support","Message IDs from prior retrieval operations"],"input_types":["MCP tool parameters: messageId (string), action (enum: 'delete', 'archive', 'move'), targetFolder (string, required if action='move')"],"output_types":["MCP tool result: { success: boolean, messageId: string, action: string, timestamp: ISO8601, error?: string }"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_4","uri":"capability://data.processing.analysis.email.metadata.extraction.and.normalization","name":"email metadata extraction and normalization","description":"Parses raw email data (MIME, API responses) and normalizes it into a consistent schema (sender, recipient, subject, date, body, attachments) that MCP tools can return. Handles encoding variations, multipart MIME structures, and provider-specific metadata formats to ensure LLM agents receive clean, predictable email data.","intents":["I want consistent email data regardless of the underlying provider (Gmail, Outlook, custom SMTP)","I need to extract structured metadata from emails for analysis or routing","I want the agent to understand email attachments and thread information"],"best_for":["Multi-provider email integrations (supporting Gmail, Outlook, etc.)","Developers building email parsing pipelines","Teams needing normalized email data for downstream processing"],"limitations":["HTML email bodies may require additional sanitization before LLM processing","Attachment extraction limited to metadata (filename, size) — no content parsing","Thread/conversation detection depends on provider's threading headers — not always reliable","Character encoding issues may occur with non-UTF8 emails"],"requires":["Node.js 16+","Email data source (IMAP, API, or raw MIME)","Optional: MIME parsing library (e.g., mailparser)"],"input_types":["Raw email data: MIME format, provider API JSON, or email objects"],"output_types":["Normalized email object: { id, from, to, cc, bcc, subject, date, bodyText, bodyHtml, attachments: [{ filename, mimeType, size }], threadId? }"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_5","uri":"capability://tool.use.integration.email.provider.abstraction.layer","name":"email provider abstraction layer","description":"Implements a pluggable provider interface that allows swapping between email backends (SMTP, Gmail API, Outlook API, etc.) without changing MCP tool definitions. Each provider implements a common interface (send, retrieve, delete, etc.) and handles provider-specific authentication, rate limiting, and API quirks internally.","intents":["I want to support multiple email providers without duplicating tool logic","I need to switch email backends (e.g., from SMTP to Gmail API) without rewriting the MCP layer","I want to add a new email provider without touching the agent interface"],"best_for":["Multi-tenant email platforms","Teams supporting diverse email providers","Developers building extensible email agents"],"limitations":["Provider-specific features (labels, categories, smart replies) not exposed in common interface","Rate limiting varies by provider — requires per-provider configuration","Authentication complexity increases with each new provider (OAuth, API keys, etc.)","Testing requires credentials for each supported provider"],"requires":["Node.js 16+","Provider-specific credentials (API keys, OAuth tokens, SMTP config)","Implementation of provider interface for each backend"],"input_types":["Provider configuration object: { type: 'gmail'|'outlook'|'smtp', credentials: {...} }"],"output_types":["Provider instance implementing common interface: { send(), retrieve(), delete(), archive() }"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_6","uri":"capability://safety.moderation.email.authentication.and.credential.management","name":"email authentication and credential management","description":"Handles secure storage and retrieval of email provider credentials (API keys, OAuth tokens, SMTP passwords) with support for environment variables, encrypted config files, or external secret managers. Implements token refresh logic for OAuth providers and credential validation before tool execution to prevent auth failures mid-operation.","intents":["I want to securely store email credentials without hardcoding them","I need OAuth token refresh to work transparently during long-running agent sessions","I want to validate credentials before attempting email operations"],"best_for":["Production email agents requiring secure credential handling","Multi-user systems with per-user email accounts","Teams using OAuth-based email providers (Gmail, Outlook)"],"limitations":["No built-in encryption — relies on OS-level secret management or external vaults","OAuth token refresh requires network access — may fail in offline scenarios","Credential validation adds latency to first tool invocation","No audit logging of credential access — requires external monitoring"],"requires":["Node.js 16+","Environment variable support or external secret manager (AWS Secrets Manager, HashiCorp Vault, etc.)","OAuth provider setup for token-based auth"],"input_types":["Credential configuration: { type: 'api_key'|'oauth'|'smtp', value: string, refreshToken?: string }"],"output_types":["Validated credential object with active tokens; error if validation fails"],"categories":["safety-moderation","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_7","uri":"capability://automation.workflow.email.rate.limiting.and.quota.management","name":"email rate limiting and quota management","description":"Enforces per-provider rate limits and quota tracking (e.g., Gmail's 100 emails/day limit, API call throttling) by tracking operations and delaying/rejecting requests that would exceed limits. Implements exponential backoff for rate-limited responses and provides quota status in tool responses so agents can adjust behavior.","intents":["I want the agent to respect email provider rate limits without crashing","I need to know when I'm approaching quota limits so the agent can pause","I want automatic retry with backoff for rate-limited requests"],"best_for":["High-volume email agents that may hit provider limits","Teams managing shared email accounts with strict quotas","Developers building resilient email workflows"],"limitations":["Rate limit tracking is in-memory — resets on process restart (no persistence)","Quota limits vary by provider and account type — requires manual configuration","Backoff delays may cause agent response latency","No predictive quota management — only reactive when limits are hit"],"requires":["Node.js 16+","Provider-specific rate limit documentation","Optional: external state store for quota persistence across restarts"],"input_types":["Rate limit configuration: { provider: string, requestsPerMinute: number, requestsPerDay: number }"],"output_types":["Tool response with quota status: { success: boolean, quotaRemaining: number, resetTime: ISO8601, retryAfter?: number }"],"categories":["automation-workflow","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_8","uri":"capability://automation.workflow.email.event.streaming.and.webhooks","name":"email event streaming and webhooks","description":"Optionally exposes email events (new message, read status change, deletion) via webhooks or event streams that external systems can subscribe to. Implements event filtering and routing so agents can react to email changes without polling, enabling real-time email-driven workflows.","intents":["I want the agent to react immediately when new emails arrive","I need to trigger workflows based on email events (new message, reply, etc.)","I want to stream email events to external systems for processing"],"best_for":["Real-time email agents that need immediate event notification","Teams building event-driven email workflows","Developers integrating email with external systems"],"limitations":["Webhook delivery is not guaranteed — requires external reliability layer","Event streaming requires persistent connection — may not work in serverless environments","Provider webhook support varies (Gmail requires polling, Outlook has webhooks) — not uniform","No built-in event persistence — lost events if subscriber is unavailable"],"requires":["Node.js 16+","Provider webhook support or polling fallback","External event subscriber (webhook endpoint, message queue, etc.)"],"input_types":["Event subscription: { eventType: 'new_message'|'read'|'deleted'|'archived', filter?: { from?: string, subject?: string } }"],"output_types":["Event payload: { type: string, messageId: string, timestamp: ISO8601, metadata: {...} }"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-cardoremail-management__cap_9","uri":"capability://text.generation.language.email.template.rendering.and.composition","name":"email template rendering and composition","description":"Provides optional email template support where agents can reference pre-defined templates with variable substitution (e.g., 'welcome_email' with {{name}}, {{link}} placeholders). Renders templates to final email body before sending, enabling agents to compose complex emails without building HTML/text manually.","intents":["I want the agent to send templated emails without composing HTML","I need consistent email formatting across agent-generated messages","I want to update email templates without changing agent code"],"best_for":["Agents that send repetitive emails (notifications, confirmations, etc.)","Teams with non-technical users who need to manage email templates","Developers building email workflows with consistent branding"],"limitations":["Template engine adds complexity — requires learning template syntax","No built-in template versioning — requires external version control","Variable validation is optional — agents can pass incomplete variables","Template storage depends on implementation (files, database, etc.) — no standard location"],"requires":["Node.js 16+","Template engine (e.g., Handlebars, EJS, Nunjucks)","Template files or database"],"input_types":["Template invocation: { templateId: string, variables: { [key: string]: string|number } }"],"output_types":["Rendered email: { subject: string, bodyText: string, bodyHtml: string }"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":29,"verified":false,"data_access_risk":"high","permissions":["Node.js 16+","MCP-compatible client (Claude, custom LLM agent, etc.)","Email provider credentials or SMTP/IMAP configuration","Email provider configuration (SMTP credentials or API key)","MCP client capable of invoking tools with parameters","File system access for temporary attachment storage","Optional: virus scanning service (ClamAV, VirusTotal API key)","Email provider with IMAP/API access (Gmail, Outlook, etc.)","Proper authentication credentials configured","Email provider with folder/label support"],"failure_modes":["Requires MCP client implementation on the consumer side — not a standalone email API","Protocol overhead adds latency compared to direct REST API calls","Limited to operations exposed in the MCP tool schema — custom email logic requires schema extension","No built-in retry logic for failed sends — requires external error handling","Attachment handling depends on underlying email provider capabilities","No scheduling support — sends immediately upon invocation","No template engine — body must be fully composed before send","Virus scanning requires external service integration (ClamAV, VirusTotal, etc.) — adds latency","File type validation is based on MIME type — can be spoofed","Large attachments may exceed email provider limits — requires pre-validation","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.32,"ecosystem":0.48000000000000004,"match_graph":0.25,"freshness":0.6,"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":"2026-05-03T14:23:45.828Z","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-cardoremail-management","compare_url":"https://unfragile.ai/compare?artifact=npm-cardoremail-management"}},"signature":"TvbcI/Gj37V7d0MxKftqHMQu41GVwgPBQw73zBpnoEnIFpSyhub8HB2m5P/ZutxasM1MJyuWuYBlou9zeAMhAw==","signedAt":"2026-06-22T00:22:31.304Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-cardoremail-management","artifact":"https://unfragile.ai/npm-cardoremail-management","verify":"https://unfragile.ai/api/v1/verify?slug=npm-cardoremail-management","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"}}