Stalwart Mail Collaboration Server

Quality score: 70/100 · Category: General · Sub-category: design-creative

lang:rust

Stalwart is an open-source mail and collaboration server written in Rust that provides JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV, and WebDAV support. It enables agents to deploy and manage self-hosted email infrastructure with built-in spam filtering, DKIM/DMARC/SPF authentication, and full calendar and contact synchronization.

What this skill does

Stalwart Mail Collaboration Server is a production-ready Claude Code skill (quality score 70/100) in the design-creative sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/stalwart-mail-collaboration-server/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Stalwart Mail Collaboration Server skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/stalwart-mail-collaboration-server
curl -L https://claudskills.com/skills/stalwart-mail-collaboration-server/SKILL.md \
  -o ~/.claude/skills/stalwart-mail-collaboration-server/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/stalwart-mail-collaboration-server/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/stalwart-mail-collaboration-server/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\stalwart-mail-collaboration-server\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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