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MCP server · Communication

ni-c/smtp-mcp

by · github.com/ni-c/smtp-mcp

mcp`

Unclaimed aiemailllmmcpmcp-servermodel-context-protocolnodemailerprompt-injectionsmtptypescript
InstallView source
34Low

Scored a month ago · breakdown

About ni-c/smtp-mcp

ni-c/smtp-mcp is an MCP server published by ni-c in the Communication category: mcp`.

Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/ni-c/smtp-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (4)

get_server_infoThe endpoint, the fixed sender, the allowlist, the limits, and whether sending is on at all.

Parameters not published.

preview_mailBuilds exactly the message `send_mail` would build and shows it. Runs every check a send runs.

Parameters not published.

test_connectionConnects, negotiates TLS, authenticates, disconnects. Sends nothing; at most once every 10 s.

Parameters not published.

validate_recipientsWhich addresses this server may write to, and why the others are refused. No connection made.

Parameters not published.

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Security checks

6 checks have not been run yet.

Releases

v0.2.0v0.2.0 · 7 Sep 2026Security mcp-approval 0.8.2. A sealed dialog answer is single-use since 0.8.1: the same `requestState` presented again within its lifetime used to be accepted again, and with a resource key that is the same every time — a whole stream, a…
v0.1.2v0.1.2 · 6 Sep 2026The third internal security review of this server, run through every code path with the MCP review checklist. Two ways past the HTML sanitiser and one way to stall the process, all reachable through `preview_mail`, which needs no send…
v0.1.1v0.1.1 · 5 Sep 2026Fixed `preview_mail` no longer describes itself as building "exactly the message `send_mail` would build". It is registered whether or not sending is switched on, so with `SMTP_ALLOW_SEND` unset it was pointing at a tool absent from the…
v0.1.0v0.1.0 · 3 Sep 2026Added Initial release: an MCP server that sends mail over SMTP, as the counterpart to imap-mcp, which deliberately cannot. A multi-architecture container image at `ghcr.io/ni-c/smtp-mcp` (amd64 and…
Questions

About ni-c/smtp-mcp

How do I install ni-c/smtp-mcp?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is ni-c/smtp-mcp safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is ni-c/smtp-mcp still maintained?

Yes — the latest release is v0.2.0 (7 Sep 2026), and the last commit was 4 days ago. The repository has 0 stars.