Sendsoon MCP Server
Send email, look up public IP information, and convert files to Markdown through SendSoon.
People who work with codex, email and sendsoon and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-08-27 · ★ 6 · #21 OF 90 MAINTAINED EMAIL · VERIFIED 2026-09-18
MIT · TypeScript servers · how we verify → /methodology
01 · Install Sendsoon MCP Server
before you install - you'll need
SENDSOON_API_KEY
Environment variables documented in the project's README - it lists which are required and which have defaults.
Claude Code
claude mcp add sendsoon-mcp -- npx -y @sendsoon/mcp Claude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"sendsoon-mcp": {
"command": "npx",
"args": [
"-y",
"@sendsoon/mcp"
]
}
}
} Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as local process (stdio) - runs on your machine with your user's permissions
license MIT - declared in the repository
npm package @sendsoon/mcp - published under the repo owner's npm scope (@sendsoon)
registry namespace io.github.sendsoon is GitHub-verified and matches the repo owner
03 · Who maintains Sendsoon MCP Server
mcp is maintained by sendsoon. We track 2 MCP servers from sendsoon - 2 actively maintained, 12 combined GitHub stars, oldest repo from Jul 2026. Full record: all servers from sendsoon.
04 · Facts
- repository
- github.com/sendsoon/mcp
- website
- https://www.sendsoonai.com/
- category
- email - ranked #21 of 90 actively-maintained email servers as of 2026-09-18.
- registry
- io.github.sendsoon/mcp (active, first published 2026-08-27 · 3 versions)
- packages
- npm:@sendsoon/mcp · pypi:sendsoon-mcp
05 · Sendsoon MCP Server FAQ
What is Sendsoon MCP Server?
Send email, look up public IP information, and convert files to Markdown through SendSoon.
Is Sendsoon MCP Server still maintained?
Yes - as of 2026-09-18, its last commit was 2026-08-27. We re-verify nightly.
How do I install Sendsoon MCP Server?
Run `npx -y @sendsoon/mcp`. The README documents one environment variable (SENDSOON_API_KEY) to set first. You can also paste the ready-made client config above.
Does Sendsoon MCP Server run locally?
Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.
06 · Alternatives to Sendsoon MCP Server
Alternatives to Sendsoon MCP Server
Maintained email servers if Sendsoon MCP Server isn't the fit.
- Emailmd Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails. ★ 1,373 · 2026-08-26
- Sessy - Amazon SES observability Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats. ★ 929 · 2026-09-15
- Hqbase Connect AI agents to your self-hosted HQBase shared email workspace. ★ 326 · 2026-09-12
- SendGrid MCP server for SendGrid - global transactional + marketing email (Twilio-owned) ★ 271 · 2026-08-29
- Atomic Mail Programmable email inbox for AI agents - JMAP, PoW auth, stdio MCP server. ★ 267 · 2026-09-10
- Clippy Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files ★ 247 · 2026-09-04
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