Emailens MCP
What this MCP does
Analyzes, audits, previews, compares, and fixes HTML-based email designs for cross-client compatibility, accessibility, spam, and deliverability.
Tools
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['html'], 'properties': {'html': {'type': 'string', 'description': 'The email HTML source code'}, 'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': 'Input format for framework-specific fix snippets'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['html'], 'properties': {'html': {'type': 'string', 'description': 'The email HTML source code'}, 'skip': {'type': 'array', 'items': {'enum': ['spam', 'links', 'accessibility', 'images', 'compatibility', 'inboxPreview', 'size', 'templateVariables', 'overflow', 'visual'], 'type': 'string'}, 'description': 'Checks to skip'}, 'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': 'Input format'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['intent'], 'properties': {'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': "Output framework: 'html' (default), 'jsx', 'mjml', or 'maizzle'"}, 'intent': {'type': 'string', 'description': 'What the email should be and contain , the brief to build from'}, 'seedHtml': {'type': 'string', 'description': 'Optional existing code to improve from instead of starting blank'}, 'threshold': {'type': 'number', 'description': 'Target compatibility score, 50-100 (default 90)'}, 'maxIterations': {'type': 'number', 'description': 'Max repair rounds, 1-8 (default 5)'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'pattern': '^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)+$', 'minLength': 3, 'description': "Domain to check (e.g. 'company.com')"}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['before', 'after'], 'properties': {'after': {'type': 'string', 'description': 'Modified email HTML'}, 'before': {'type': 'string', 'description': 'Original email HTML'}, 'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': 'Input format'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['html'], 'properties': {'html': {'type': 'string', 'description': 'The email HTML source code to fix'}, 'scope': {'enum': ['all', 'current'], 'type': 'string', 'description': 'Fix scope'}, 'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': 'Input format , controls fix syntax'}, 'selectedClientId': {'type': 'string', 'description': 'Client ID for scoped fixes'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['runId'], 'properties': {'runId': {'type': 'string', 'description': 'The runId returned by build_email'}}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
Input schema
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['html'], 'properties': {'html': {'type': 'string', 'description': 'The email HTML source code'}, 'format': {'enum': ['html', 'jsx', 'mjml', 'maizzle'], 'type': 'string', 'description': "Input format: 'html' (default), 'jsx', 'mjml', or 'maizzle'"}, 'clients': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Optional client ID filter'}}}
Recent tool changes
Similar MCP servers
validoria-mcp
Runs continuous website, API, and webshop tests covering security, SEO, performance, accessibility, browser journeys, and inciden…
NanoTools
Offers utility APIs alongside web search, scraping, browser rendering, screenshots, SERP data, and SEO audits.
Revternal
Provides AI visibility checks, brand and competitor monitoring, structured data research, llms.txt generation, and GitHub develop…
Technographics
Profiles the technologies used by websites and provides AI visibility, competitor presence, and llms.txt auditing tools.
Sitemap Stats
Reads website sitemaps and reports their structure and contents for site analysis.
tools
Provides file, JSON/YAML, XML/SQL, cron scheduling, text, image, QR, URL, and SEO utilities, including scheduled task management.
mcp-toolbelt
Runs website and infrastructure checks covering DNS, SSL, security headers, ports, vulnerabilities, performance, SEO, email deliv…
agent-ready-kit
Scans websites for AI-agent readiness, SEO, accessibility, and security issues, and generates deployment files, remediation guida…