JMAP Email MCP Server - install, status & alternatives [2026]

01 · Install JMAP Email

before you install - you'll need

Set JMAP_SESSION_URL, JMAP_AUTH_TOKEN before connecting.

Docker

docker run -i --rm ghcr.io/mikluko/jmap-mcp:0.10.0

Claude Desktop - add to config

{
  "mcpServers": {
    "mikluko-jmap-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/mikluko/jmap-mcp:0.10.0"
      ]
    }
  }
}

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 container (OCI image) - can be sandboxed away from your filesystem

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

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

03 · What JMAP Email can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can get mailboxes by ID, or list all, create, update, or destroy mailboxes, search emails with filters, returns IDs and total count, and get full content of emails by ID.

Capability map

Tools grouped from the project's README - what JMAP Email lets an agent do.

Email

8 tools - e.g. Search emails with filters, returns IDs and total count; Get full content of emails by ID; Create a new email draft in the Drafts mailbox

email_query · email_get · email_create · email_move · email_flag · email_delete…

Sieve

3 tools - e.g. List all scripts, or get one with full content (requires -enable-sieve); Create, update, or destroy Sieve scripts (requires -enable-sieve); Validate a Sieve script without saving (requires -enable-sieve)

sieve_get · sieve_set · sieve_validate

Mailbox

2 tools - e.g. Get mailboxes by ID, or list all; Create, update, or destroy mailboxes

mailbox_get · mailbox_set

Identity

1 tool - e.g. List sender identities (email addresses)

identity_get

04 · Who maintains JMAP Email

JMAP Email is maintained by mikluko. It's the only MCP server we track from this author; the repo dates to Feb 2026.

05 · Facts

repository: github.com/mikluko/jmap-mcp
category: communication - ranked #94 of 99 actively-maintained communication servers as of 2026-08-25.
registry: io.github.mikluko/jmap-mcp (active, first published 2026-02-18 · 6 versions)
packages: oci:ghcr.io/mikluko/jmap-mcp:0.10.0

06 · JMAP Email FAQ

Is JMAP Email still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-05. We re-verify nightly.

What can JMAP Email do?

With this server connected, an agent can get mailboxes by ID, or list all, create, update, or destroy mailboxes, search emails with filters, returns IDs and total count, and get full content of emails by ID.

How do I install JMAP Email?

Run `docker run -i --rm ghcr.io/mikluko/jmap-mcp:0.10.0`. The README documents 2 environment variables (JMAP_SESSION_URL, JMAP_AUTH_TOKEN) to set first. Set JMAP_SESSION_URL, JMAP_AUTH_TOKEN before connecting. You can also paste the ready-made client config above.

07 · Alternatives to JMAP Email

Alternatives to JMAP Email

Maintained communication servers if JMAP Email isn't the fit.

Pairs well with

Servers that cover what JMAP Email doesn't - only shown when the pairing reason fits the companion.

More communication MCP servers · Intercom · Better Telegram MCP · WhatsApp MCP Server · Pin RAG

More Go MCP servers · e2a - email for AI agents · Gitcontribute · OPC-UA MCP Server · Ccrider · Clippy · see all