By data-wise
Privacy-first email access for Claude via himalaya CLI — 21 tools, 6 prompts, 3 resources, 12 skills, 2 hooks
npx claudepluginhub data-wise/himalaya-mcp --plugin emailComponents
Skills
12This skill should be used when the user asks to "list attachments", "download attachment", "email attachment", "calendar invite", "meeting invite", "download the file", "what files were attached", "get the attachment", "save attachment", "open the attachment", or wants to work with files attached to emails. Lists, downloads, and extracts calendar events from ICS invites.
This skill should be used when the user asks to "compose email", "write email", "send email to", "new email", "send a message to", "email someone", "write to", "new message", "draft an email", "message someone", or wants to draft and send a new message. Composes emails with a two-phase safety gate that never auto-sends.
This skill should be used when the user asks for "email config", "email setup", "configure email", "himalaya setup", "setup email", "set up email", "change email account", "which email account", "add email account", "switch email account", or needs help installing and configuring himalaya. Interactive setup wizard that checks installation, configures accounts, and tests connectivity.
This skill should be used when the user asks for "email digest", "daily digest", "email summary", "morning briefing", "what happened overnight", "email roundup", "catch me up on email", "summarize my inbox", "what did I miss", or wants a summary of recent emails. Generates a markdown digest grouped by priority.
This skill should be used when the user asks for "email help", "himalaya help", "email commands", "what can you do with email", "email features", "how do I use email", "what email tools are available", "show email capabilities", or wants to discover available email capabilities. Help hub for browsing all tools, prompts, skills, and workflows.
Hooks
1README
himalaya-mcp
Privacy-first email for Claude -- MCP server and Claude Code plugin (email) wrapping the himalaya CLI.
Features
- 21 MCP tools: list, search, read, flag, move, compose, draft reply, send (with safety gate), export, action items, clipboard, folders, attachments, calendar, threads
- 6 MCP prompts: triage inbox, summarize email, daily digest, draft reply, morning briefing, inbox check
- 3 MCP resources: inbox, message by ID, folders
- 12 plugin skills:
/email:inbox,/email:triage,/email:digest,/email:reply,/email:compose,/email:attachments,/email:search,/email:manage,/email:stats,/email:config,/email:help,/email:morning - Multi-account: per-call account switching via
--account - Safe subprocess: uses
execFile(no shell injection) - Two-phase send:
send_emailreturns preview first, requires explicitconfirm=true - Env-based config:
HIMALAYA_BINARY,HIMALAYA_ACCOUNT,HIMALAYA_FOLDER,HIMALAYA_TIMEOUT
Install
Homebrew (recommended)
brew tap data-wise/tap
brew install himalaya-mcp
Installs himalaya CLI + Node.js as dependencies, auto-symlinks plugin to ~/.claude/plugins/.
himalaya-mcp doctor # Verify installation
Claude Code Plugin (from GitHub)
Prerequisites: 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 email
himalaya-mcp doctor # Verify installation
Claude Desktop (.mcpb -- one-click install)
Download 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.
Claude Desktop (CLI setup)
himalaya-mcp setup
Development (from source)
npm install
npm run build
ln -s ~/projects/dev-tools/himalaya-mcp ~/.claude/plugins/himalaya-mcp
himalaya-mcp doctor # Verify installation
Prerequisites
- himalaya CLI configured with at least one email account in
~/.config/himalaya/config.toml - Node.js 22+ (installed automatically by Homebrew)
Testing
npm test # 414 tests across 18 test files (vitest)
| Category | Tests | Coverage |
|---|---|---|
| Unit (parser, client, config, clipboard) | 38 | Core parsing, config, template variable guards |
| Integration (tools, prompts) | 85 | All 21 tools + 6 prompts |
| v1.5.0 features | 79 | Threads (30), morning/inbox prompts (13), E2E integration (36) |
| Dogfooding | 142 | Realistic Claude usage + .mcpb packaging validation |
| E2E | 34 | Full MCP server pipeline + .mcpb build pipeline |
| Setup CLI | 36 | Setup, install/upgrade E2E, doctor command, plugin structure |
Documentation
Full documentation at data-wise.github.io/himalaya-mcp
License
MIT
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