INDIVIDUAL MCP TOOL

fix_email

Generate a structured fix prompt for email compatibility issues.

emailens.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://emailens.dev/api/mcp

No auth detected

Connect to this endpoint to inspect the live schema for fix_email and invoke it with your own arguments.

{}

Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.emailens]
url = "https://emailens.dev/api/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "emailens": {
      "type": "http",
      "url": "https://emailens.dev/api/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: emailens
Remote MCP URL: https://emailens.dev/api/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "emailens": {
      "url": "https://emailens.dev/api/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "emailens": {
      "type": "http",
      "url": "https://emailens.dev/api/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "emailens",
  "transport": "streamable-http",
  "url": "https://emailens.dev/api/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

preview_email — Full email compatibility preview , transforms HTML for 21 email clients, analyzes CSS, generates scores, simulates dark mode, checks inbox preview and email size.
analyze_email — Quick CSS compatibility analysis , returns warnings and per-client scores.
audit_email — Comprehensive quality audit , CSS compatibility, spam, links, accessibility, images, inbox preview, size, templates, content overflow, visual bugs.
list_clients — List all 21 supported email clients with IDs, names, rendering engines, dark mode support, and deprecation status.
diff_emails — Compare two email HTML versions , shows score changes, fixed issues, and regressions per client.
check_deliverability — Check email deliverability for a domain , SPF, DKIM, DMARC, MX, BIMI.
build_email — Generate a cross-client-compatible email from a brief using Emailens's self-healing loop (generate → score across 21 clients → repair).
get_build_status — Check a build_email run by runId , returns status, iteration, best compatibility score, and the current best source once available.