"Vault" matching MCP servers:

MCP server that ingests Substack newsletters from Zoho Mail, archives them locally, and provides search and cross-author topic analysis tools for reading and comparing articles.

A local MCP server that manages multiple Gmail accounts simultaneously, allowing MCP clients to switch between accounts per request without logging out or in. It securely stores OAuth tokens in the macOS Keychain.

Enables natural language control over Google Workspace (Gmail, Drive, Calendar, Sheets, Slides, Tasks) through secure OAuth 2.1 authentication, with vault-level security and multi-user isolation.

Zero-trust encrypted email archiving and search MCP server with real-time IMAP IDLE ingestion, AES-256-GCM encryption, SQLite FTS5 full-text search, and Obsidian vault export, exposing tools for AI assistants to search, retrieve, and manage emails.

Enables AI assistants to connect over streamable HTTP with bearer authentication to tools for agent lifecycle, email, phone, platform, vault, and browser extension management.

Provides identity infrastructure for AI agents to manage email communications, including sending, replying, and organizing messages. It also includes a secure vault for managing credentials and generating TOTP codes.