e2a - email for AI agents MCP Server
Receive inbound over webhook · WebSocket · REST · MCP. Send through an HTTP API. Every sender - human or agent - identity-verified.
People connecting email tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Go.
VERIFIED ACTIVE
LAST COMMIT 2026-08-24 · ★ 184 · #12 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25
Apache-2.0 · Go servers · how we verify → /methodology
01 · Install e2a - email for AI agents
before you install - you'll need
The README does not document required environment variables for a basic install.
Claude Code
claude mcp add mnexa-ai-e2a --transport http https://mcp.e2a.dev/mcp Claude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"mnexa-ai-e2a": {
"url": "https://mcp.e2a.dev/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://mcp.e2a.dev/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 local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to mcp.e2a.dev
endpoint auth requires authentication - rejected our unauthenticated MCP initialize
license Apache-2.0 - declared in the repository
npm package @e2a/mcp-server - the @e2a scope differs from the repo owner (mnexa-ai); confirm it's the project's official package
registry namespace io.github.Mnexa-AI is GitHub-verified and matches the repo owner
03 · What e2a - email for AI agents can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v1.7.12 · 2026-08-24
Supersedes v1.7.11, which was tagged but never reached production - its staging gates failed on an environment problem this release fixes. Everything in v1.7.11 is included; see the v1.7.11 notes for that content…
v1.7.11 · 2026-08-23
Patch release. No API or wire-contract changes - inbound email authentication for internationalized domains, self-hosting fixes, and a Python SDK path-parameter guard. · Highlights · IDNA-encode domains before DMARC…
v1.7.10 · 2026-08-21
Re-cut of v1.7.9 with release-gate test fixes - the server changes are identical to v1.7.9 (which never reached production; its release pipeline was blocked by two stale test expectations that release unmasked). See…
04 · Who maintains e2a - email for AI agents
e2a - email for AI agents is maintained by mnexa-ai. It's the only MCP server we track from this author; the repo dates to Apr 2026.
05 · Facts
- repository
- github.com/mnexa-ai/e2a
- website
- https://e2a.dev/
- category
- email - ranked #12 of 75 actively-maintained email servers as of 2026-08-25.
- release cadence
- 10+ releases in the last 90 days (latest 2026-08-24)
- registry
- io.github.Mnexa-AI/mcp-server (active, first published 2026-05-22)
- packages
- npm:@e2a/mcp-server
06 · e2a - email for AI agents FAQ
What is e2a - email for AI agents?
Receive inbound over webhook · WebSocket · REST · MCP. Send through an HTTP API. Every sender - human or agent - identity-verified.
Is e2a - email for AI agents still maintained?
Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
How do I install e2a - email for AI agents?
Run `npx -y @e2a/mcp-server`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.
Does e2a - email for AI agents require authentication?
Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.
07 · Alternatives to e2a - email for AI agents
Alternatives to e2a - email for AI agents
Maintained email servers if e2a - email for AI agents isn't the fit.
- Emailmd Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails. ★ 1,303 · 2026-08-15
- Sessy - Amazon SES observability Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats. ★ 914 · 2026-08-18
- Mu News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint. ★ 387 · 2026-08-24
- Hqbase Connect AI agents to your self-hosted HQBase shared email workspace. ★ 295 · 2026-08-25
- SendGrid MCP server for SendGrid - global transactional + marketing email (Twilio-owned) ★ 269 · 2026-08-12
- Atomic Mail Programmable email inbox for AI agents - JMAP, PoW auth, stdio MCP server. ★ 266 · 2026-08-11
More email MCP servers · Outlook MCP · iCloud MCP · Multimail Dev MCP Server · Better Email MCP · Clippy
More Go MCP servers · Gitcontribute · OPC-UA MCP Server · Ccrider · Neo4j MCP Canary · see all