Development
Check email HTML templates for cross-client compatibility: unsupported CSS, non-inline styles, Outlook traps, table layout issues, and accessibility gaps.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/email-html-linter' \
-H 'Content-Type: application/json' \
-d '{"html":"<div style=\"display:flex;gap:16px;\"><div style=\"display:grid;\">col</div></div>","strictness":"balanced"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/email-html-linter| Name | Type | Required | Description |
|---|---|---|---|
| html | textarea | Yes | — |
| strictness | select | No | — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-email-html-linter": {
"name": "email-html-linter",
"description": "Check email HTML templates for cross-client compatibility: unsupported CSS, non-inline styles, Outlook traps, table layout issues, and accessibility gaps.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=email-html-linter",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "email-html-linter",
"arguments": {
"html": "<div style=\"display:flex;gap:16px;\"><div style=\"display:grid;\">col</div></div>",
"strictness": "balanced"
}
}
}Questions or issues? Contact [email protected]