Sessy - Amazon SES observability MCP Server

Open-source email observability for AWS SES by Marc Köhlbrugge. It is available as a remote MCP endpoint.

Teams that want a hosted email endpoint instead of running a local process. The project is written in Ruby.

VERIFIED ACTIVE

LAST COMMIT 2026-08-18 · ★ 914 · #17 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25

NOASSERTION · Ruby · how we verify → /methodology

01 · Install Sessy - Amazon SES observability

before you install - you'll need

Set SECRET_KEY_BASE, DISABLE_SSL before connecting.

Claude Code

claude mcp add marckohlbrugge-sessy --transport http https://api.sessy.do/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "marckohlbrugge-sessy": {
      "url": "https://api.sessy.do/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

https://api.sessy.do/mcp

transport: streamable-http

endpoint alive - authentication required · probed 2026-08-25

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 remote - your agent's requests go to api.sessy.do

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license no standard license detected - usage rights unclear; check the repo before commercial use

registry namespace io.github.marckohlbrugge is GitHub-verified and matches the repo owner

03 · Who maintains Sessy - Amazon SES observability

Sessy - Amazon SES observability is maintained by marckohlbrugge. We track 2 MCP servers from marckohlbrugge - 1 actively maintained, 914 combined GitHub stars, oldest repo from Dec 2025.

04 · Facts

repository: github.com/marckohlbrugge/sessy
website: https://sessy.do/blog/amazon-ses-mcp
category: email - ranked #17 of 75 actively-maintained email servers as of 2026-08-25.
registry: io.github.marckohlbrugge/sessy (active, first published 2026-07-31)

05 · Sessy - Amazon SES observability FAQ

What is Sessy - Amazon SES observability?

Open-source email observability for AWS SES by Marc Köhlbrugge. It is available as a remote MCP endpoint.

Is Sessy - Amazon SES observability still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-18. We re-verify nightly.

How do I install Sessy - Amazon SES observability?

Run `claude mcp add marckohlbrugge-sessy --transport http https://api.sessy.do/mcp`. The README documents 2 environment variables (SECRET_KEY_BASE, DISABLE_SSL) to set first. Set SECRET_KEY_BASE, DISABLE_SSL before connecting. You can also paste the ready-made client config above.

Does Sessy - Amazon SES observability require authentication?

Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

06 · Alternatives to Sessy - Amazon SES observability

Alternatives to Sessy - Amazon SES observability

Maintained email servers if Sessy - Amazon SES observability isn't the fit.

More email MCP servers · Parse-DMARC MCP Server · e2a - email for AI agents · Outlook MCP · iCloud MCP