Alternatives to PO6 Mailbox

Same category, ordered by trust score.

S
Synology NAS
69Good
MCP server for Synology NAS — browse files, monitor health, and automate operations
Registrycmeans11 stars
X
XposedOrNot Breach Intelligence
68Good
Real-time data-breach lookup and analytics for emails and domains from XposedOrNot.
RegistryRemotexposedornot99 stars
O
Onyx MCP
66Good
Secure MCP access to Onyx search, chat, projects, and administration.
Registrybywaleed0 stars30/wk3 tools
M
mcp-ssh-manager
61Good
SSH server management for agents, with per-server read-only and allowlist security modes
Registrybvisible508 stars2.2K/wk
N
notion-mcp-server
60Good
Token-auth Notion MCP: pages, databases, blocks, comments, files. Runs headless in CI and agents.
Registryawkoy177 stars3.3K/wk
A
AI Tag Debugger
60Good
QA-tests your site analytics, ad and consent tags (GA4, GTM, Ads, Meta, TikTok) from chat.
Registryanalitikisler828/wk