Mailbox
Rank #1,356com.po6/mailbox
MCP server providing mailbox capabilities
What you can do with Mailbox
Mailbox is a Model Context Protocol (MCP) server published by po6-com. It ranks #1,356 of 154,757 active servers on MCP Toplist, and its repository has 550 GitHub stars. Mailbox is listed on Official MCP, with 2 tracked versions. It was first listed on Feb 14, 2026 and most recently updated on Feb 14, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Mailbox can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Mailbox
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
MCP Toplist probed the public endpoint on Oct 17, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Declared by the Official MCP Registry, last synced Oct 20, 2026. Not independently verified by MCP Toplist.
Hosted endpoint declared as public.
Connect Mailbox and confirm it works
claude mcp add --transport http mailbox https://mcp.po6.com/[mcp_servers.mailbox]
url = "https://mcp.po6.com/"Add to ~/.codex/config.toml.
https://mcp.po6.com/Settings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"mailbox": {
"url": "https://mcp.po6.com/"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"mailbox": {
"type": "http",
"url": "https://mcp.po6.com/"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"mailbox": {
"serverUrl": "https://mcp.po6.com/"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"mailbox": {
"url": "https://mcp.po6.com/"
}
}
}After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Feb 14, 2026
- Latest version published
- Feb 14, 2026
- Version history
- 2 versions tracked (below)
- Requirements evidence
- MCP Toplist probed the public endpoint on Oct 17, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Apr 2, 2026
- Official MCP ↗listed since Apr 25, 2026 · still listed
Do you maintain Mailbox? to correct or enrich this profile.
Available versions (2)
| Version | Published |
|---|---|
| 1.0.0 | Feb 14, 2026 |
| 0.1.0 | Nov 25, 2024 |
Ranks ahead of 153,401 of 154,757 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/com.po6%2Fmailbox)<a href="https://mcptoplist.com/server/com.po6%2Fmailbox"><img src="https://mcptoplist.com/badge/com.po6%2Fmailbox.svg" alt="MCP Toplist: Top 1% of 154,757" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Mailbox?
- Mailbox is maintained by po6-com, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
- Is Mailbox listed on the Official MCP Registry?
- Yes — Mailbox is listed on the Official MCP Registry.
- How many versions does Mailbox have?
- MCP Toplist tracks 2 versions of Mailbox, most recently published on Feb 14, 2026.
- Where can I find the source code for Mailbox?
- The source code for Mailbox is hosted at github.com/po6-com/po6_mail.
Do you run this server?
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