bots.st/emailens-mcp
Emailens MCP
Analyze and fix cross-client email HTML
3332 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 15
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://emailens.dev/api/mcp - npm
npx -y @emailens/mcpReleased 29 Oct 2026, version 0.15.0
What it can do
| Tool | What it says it does |
|---|---|
analyze_email | Fix error and warning findings. Info findings are not problems (the email falls back safely there): never remove responsive (@media) or dark-mode CSS to clear them. Quick CSS compatibility analysis, returns per-client scores and one finding per problem, listing the clients it affects. For HTML… |
audit_email | Fix error and warning findings, and restore anything listed in designRemovals. Info findings are not problems (the email falls back safely there): never remove responsive (@media), dark-mode CSS or rounded corners to clear them. designRemovals compares this version with the first one audited for… |
build_email | Generate a cross-client-compatible email from a brief using Emailens's self-healing loop (generate → score across 21 clients → repair). Output stays in the framework you choose. Returns a runId immediately , poll get_build_status for progress and the final code. Requires a Pro/Team API key. |
capture_screenshots | Capture real email screenshots across 21 clients (Gmail, Outlook, Apple Mail, etc.) with light and dark mode variants. Screenshots are rendered in real browsers and hosted on CDN. |
check_deliverability | Check email deliverability for a domain , SPF, DKIM, DMARC, MX, BIMI. |
diff_emails | Compare two email HTML versions , shows score changes, fixed issues, and regressions per client. |
fix_email | Generate a structured fix prompt for email compatibility issues. |
get_build_status | Check a build_email run by runId , returns status, iteration, best compatibility score, and the current best source once available. |
list_clients | List all 21 supported email clients with IDs, names, rendering engines, dark mode support, and deprecation status. Use the returned IDs to filter other tools like preview_email or capture_screenshots. |
preview_email | Full email compatibility preview , transforms HTML for 21 email clients, analyzes CSS, generates scores, previews dark mode, checks inbox preview and email size. |
sandbox_get_inbox | Retrieve or auto-create your Emailens sandbox test email address for capturing test emails. |
sandbox_get_message | Get complete email details: HTML/text body, parsed headers, spam score, SPF/DKIM/DMARC auth status, and validated links. |
sandbox_list_messages | List recently captured test emails in the Emailens sandbox. |
sandbox_wait_for_email | Poll and wait for a matching incoming test email in the sandbox (ideal for auth OTPs, magic links, transactional email assertions). |
share_preview | Create a shareable link for an email preview. Recipients see the full analysis without needing an account. Requires the Dev plan or above. |
In its maker's words
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
- Website
- emailens.dev/mcp
- Source
- github.com/emailens/mcp
- Publisher
- emailens
- Listed from
- the official MCP Registry as
io.github.emailens/mcp - Version
- 0.15.0, updated 29 Oct 2026
- Kinds of work
- Documents and files, Writing and translation, Browser and automation
The domain it lives on
- emailens.dev
- registered 25 Feb 2026 (8 months ago), at Namecheap Inc., its name does not resolve now
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 3332 ms | |
| Answered | 3046 ms | |
| Answered | 1836 ms |
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