This server provides comprehensive email management capabilities via the himalaya CLI, enabling reading, composing, organizing, and more — with multi-account support and safety mechanisms.
Read & Search: List, search, read (plain text or HTML), and export emails to Markdown. List and read full email threads/conversations.
Compose & Send: Draft new emails or replies (with reply-all support), with a two-phase confirmation/safety gate before actually sending.
Organize: Flag/unflag emails, move them between folders (Archive, Trash, Spam, etc.), and list, create, or delete folders.
Attachments: List and download email attachments, and extract calendar event details from ICS attachments.
Calendar: Create Apple Calendar events from email invites or manually (macOS only, with confirmation).
Productivity: Extract action items, todos, deadlines, and commitments from email content. Copy any text to the system clipboard.
Multi-Account Support: Perform all operations across multiple configured email accounts via a per-call --account parameter.
Health & Diagnostics: Run health checks to verify himalaya installation and IMAP connectivity, with fix hints.
AI Prompts: Built-in MCP prompts for inbox triage, email summarization, daily/weekly digests, and morning briefings.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@himalaya-mcp Show my latest 5 emails in inbox"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Privacy-first email for Claude -- MCP server and Claude Code plugin (email) wrapping the himalaya CLI.
29 MCP tools: list, search, read, flag, move, compose, draft reply, send (with safety gate), export, action items, clipboard, folders, attachments, calendar, threads, health check, get_unread_count, read_email_raw, render_email, list_starred, create_reminder, snooze_email, list_snoozed_emails
7 MCP prompts: triage inbox, summarize email, daily digest, weekly digest, draft reply, morning briefing, inbox check
3 MCP resources: inbox, message by ID, folders
16 plugin skills: /himalaya:inbox, /himalaya:triage, /himalaya:digest, /himalaya:reply, /himalaya:compose, /himalaya:attachments, /himalaya:search, /himalaya:manage, /himalaya:stats, /himalaya:config, /himalaya:help, /himalaya:morning, /himalaya:forward, /himalaya:export, /himalaya:threads, /himalaya:respond
Multi-account: per-call account switching via --account
Reliability: account-aware diagnostics via the health_check tool and multi-account doctor; structured error envelopes with one-line fix hints
Safe subprocess: uses execFile (no shell injection)
Two-phase send: send_email returns preview first, requires explicit confirm=true
Env-based config: HIMALAYA_BINARY, HIMALAYA_ACCOUNT, HIMALAYA_FOLDER, HIMALAYA_TIMEOUT
Related MCP server: productivity-mcp
brew tap data-wise/tap
brew install himalaya-mcpInstalls himalaya CLI + Node.js as dependencies, auto-symlinks plugin to ~/.claude/plugins/.
himalaya-mcp doctor # Verify installationPrerequisites: Node.js 22+ and himalaya CLI must be installed separately (brew install node himalaya).
claude plugin marketplace add Data-Wise/himalaya-mcp
claude plugin install himalayahimalaya-mcp doctor # Verify installationDownload himalaya-mcp-v{version}.mcpb from GitHub Releases and open it in Claude Desktop. Requires brew install himalaya separately -- the .mcpb does not bundle the himalaya CLI.
himalaya-mcp setupnpm install
npm run build
ln -s ~/projects/dev-tools/himalaya-mcp ~/.claude/plugins/himalaya-mcphimalaya-mcp doctor # Verify installationhimalaya CLI configured with at least one email account in ~/.config/himalaya/config.toml
Node.js 22+ (installed automatically by Homebrew)
npm test # 573 tests across 31 files (vitest)Category | Tests | Coverage |
Unit (parser, client, config, clipboard) | 41 | Core parsing, config, template variable guards |
Integration (tools, prompts) | 85 | Tool registration, MCP prompts, account validation |
Reliability (errors, retry, accounts, health) | 33 | Error envelope, transient retry, multi-account discovery, health_check |
v1.5.0 features | 79 | Threads (30), morning/inbox prompts (13), E2E integration (36) |
Dogfooding | 162 | Realistic Claude usage + reliability scenarios + .mcpb validation |
E2E | 39 | Full MCP server pipeline + structured envelope round-trip + .mcpb build pipeline |
Setup CLI | 45 | Setup, install/upgrade E2E, multi-account doctor, plugin structure, --help/--version |
Full documentation at data-wise.github.io/himalaya-mcp
The CLI ships with groff man pages following the flow-cli standard:
# After brew install himalaya-mcp, man pages are auto-installed to /opt/homebrew/share/man
man himalaya-mcp
man himalaya-mcp-doctor
man himalaya-mcp-setup
man himalaya-mcp-install-ext
man himalaya-mcp-remove-ext
# Or from the source repo:
MANPATH=$(pwd)/man man himalaya-mcpIf an email tool fails, ask Claude:
Run a health check on my email accounts.This invokes the health_check MCP tool and surfaces a per-account status with one-line fix hints.
From a terminal, run:
himalaya-mcp doctor # All accounts
himalaya-mcp doctor --account <name> # Single accountFor the full failure-mode catalog and recovery steps, see docs/troubleshooting.md.
MIT
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