imap-mcp-server
Full-featured IMAP & SMTP email for AI assistants: search, read, send, organize and clean up multiple mailboxes, with AES-256-encrypted credentials. Works with Claude, Cursor and any MCP client.
No outside reports on file
imap-mcp-server connects to external service APIs and requires API keys or tokens; restrict its folder reach, network access, and credentials before installing.
Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee.
What it can access
- Local filesNo local folder access notedLOW
- Command executionNo shell command runner notedLOW
- Network reachConnects to outside service APINOTED
- CredentialsRequires API key or tokenREVIEW
- Package sourcenpm (imap-mcp-server)PUBLIC
Inferred from this listing’s public package details and description. Check the project’s source before installing.
Install
npx -y imap-mcp-serverEverything known
We found nothing about this project in the sources we read (last checked 2026-10-30). That does not mean it has no problems.
0 incidents · 0 advisories · 0 news articles · 0 community threads · checked 2026-10-30
Popularity grade: C (from public signals such as stars and downloads, not a code review). Graded 2026-10-19.
Sources we read: OSV, GitHub Advisory Database, CISA Known Exploited Vulnerabilities, 44 security news feeds and our incident library. Last checked 2026-10-30.
About Imap MCP Server
Imap MCP Server is an MCP server focused on Developer tools and Web & browsing: Full-featured IMAP & SMTP email for AI assistants: search, read, send, organize and clean up multiple mailboxes, with AES-256-encrypted credentials. Works with Claude, Cursor and any MCP client.
It is published on npm as imap-mcp-server and hosted on GitHub at nikolausm/imap-mcp-server (112 GitHub stars, 707 weekly npm downloads). Based on its public metadata, its operational scope includes: connects to outside service api, requires api key or token.
Setup
Check these steps against the project’s own instructions before running anything.
Run imap-mcp-server with --ignore-scripts in claude_desktop_config.json or .cursor/mcp.json:
{
"mcpServers": {
"imap-mcp-server": {
"command": "npx",
"args": ["-y", "--ignore-scripts", "imap-mcp-server"]
}
}
}
Why this grade
Signal-based grade (2/7 points): public source code. This reflects adoption and transparency, not a code review.
Popularity and upkeep
- GitHub stars
- 114
- Weekly npm downloads
- 1.2k
- Listing last refreshed
- 2026-10-30
These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.
Risks to watch for
- External API & account scope: Connects to third-party service APIs. Use a dedicated, least-privilege token scoped only to the workspaces or repositories this tool needs.
- Credential & token exposure: Requires API keys or secrets in configuration. Store credentials in environment variables with read-only or minimum required scopes and rotate them regularly.
- Dependency & version pinning: Distributed via npm (imap-mcp-server). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.
How to lower the risk
Least-privilege permissions
- Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
- Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.
Network isolation
- Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
- If your IT team can, limit which websites and services it is allowed to contact.
Monitoring
- Check its activity history or logs weekly at first, and look at what it changed or sent.
- Turn on alerts for new logins or unusual usage on any account it connects to.
Red flags to watch for
- It asks for more access than its job requires, or prompts you to paste passwords.
- It suddenly updates with new owners, or starts contacting unfamiliar websites.
Questions
How do I install Imap MCP Server?
Run npx -y imap-mcp-server in your terminal, or add the server entry to your claude_desktop_config.json or .cursor/mcp.json as shown in the Setup section on this page. Full setup docs and environment variables are in github.com/nikolausm/imap-mcp-server.
Are there security reports about Imap MCP Server?
No reports found for this package in our research (last checked 2026-10-30). Imap MCP Server currently holds Grade C (Moderate risk signals) based on public adoption and transparency signals. Key risk areas to watch include external api & account scope:, credential & token exposure:, dependency & version pinning:.
Is Imap MCP Server actively maintained?
Imap MCP Server has 114 GitHub stars and 1.2k weekly npm downloads. Our directory data was last refreshed on 2026-10-30. Check recent commit activity, release tags, and open issues at github.com/nikolausm/imap-mcp-server before pinning it in production.
What are alternatives to Imap MCP Server?
You can compare Imap MCP Server side by side with other Search MCP servers in the Related tools section on this page, or use the Compare tool on AgentArmorHQ.
README badge and team notes
Maintain or use Imap MCP Server? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.
GitHub README Markdown:
[](https://agentarmorhq.com/skills/nikolausm-imap-mcp-server)HTML embed:
<a href="https://agentarmorhq.com/skills/nikolausm-imap-mcp-server"><img src="https://agentarmorhq.com/api/badge/nikolausm-imap-mcp-server" alt="AgentArmorHQ Risk Grade for Imap MCP Server" height="20" /></a>Terminal check:
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "nikolausm-imap-mcp-server"Share with your security lead
Need sign-off to use imap-mcp-server? Copy this note for Slack, a ticket or a pull request.
### AgentArmorHQ Security Review Memo: imap-mcp-server
- **Listing URL:** https://agentarmorhq.com/skills/nikolausm-imap-mcp-server
- **Type:** App connector
- **Risk Grade:** Grade C (Moderate risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 114 GitHub stars, 1.2k weekly npm downloads
#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** No shell command runner noted
- **Network reach:** Connects to outside service API
- **Credentials:** Requires API key or token
- **Package source:** npm (imap-mcp-server)
#### Recommended Hardened Setup
- **Command:** `npx -y --ignore-scripts imap-mcp-server`
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.
_Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee._Key facts
- Type
- App connector
- Publisher
- nikolausm
- Source code
- github.com/nikolausm/imap-mcp-server
- Install command
- npm install imap-mcp-server
- Est. context load
- ~1.1k tokens / turn (~6 tool schemas, 0.53% of 200k context)
- Popularity
- 114 GitHub stars, 1.2k weekly npm downloads
- Last updated
- 2026-10-30
- Last graded
- 2026-10-19
Community
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