MCP server

SignatureForever Official

com.signatureforever/email-signatures

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.

Working at last checkVerified publisher: signatureforever.comAbout 913 tokens per request once connected5 tools

https://signatureforever.com/mcp

At a glance

Type: MCP server
Publisher: signatureforever.com (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 913 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 28 Oct 2026, 09:03 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http email-signatures https://signatureforever.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.email-signatures]
url = "https://signatureforever.com/mcp"

Gemini CLI

{"mcpServers":{"email-signatures":{"httpUrl":"https://signatureforever.com/mcp"}}}

Cursor

{"mcpServers":{"email-signatures":{"url":"https://signatureforever.com/mcp"}}}

VS Code

{"servers":{"email-signatures":{"type":"http","url":"https://signatureforever.com/mcp"}}}

Antigravity

agy mcp add email-signatures https://signatureforever.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"email-signatures","server_url":"https://signatureforever.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"email-signatures","server_url":"https://signatureforever.com/mcp"}

check_email_signature ~175 tokens
Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client plus every problem found, each with the rule it breaks, why it breaks, and how to fix it. Use this when a signature renders wrong, images do
create_email_signature ~403 tokens
Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail: tables only, inline CSS, absolute pixel widths, email-safe fonts, and images by absolute URL (never base64, which Gmail refuses to render).
email_client_compatibility_matrix ~182 tokens
The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 images, border-radius, letter-spacing, text-transform, web fonts, max-width, margins and image sizing. Each row says yes/no/partial for seven
get_pricing ~90 tokens
What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a plan allows, or what happens to hosted images if they stop paying.
list_signature_templates ~63 tokens
The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels.

SignaMail
Email signatures for French businesses: HTML generator, legal mentions per job, SPF/DKIM/DMARC
ProSignature email signatures
Design 3-4 signatures for a user, free signatures, Pro/Teams prices, install steps. No account.
Signatoro
The agentic email signature platform: one saved signature for your people and your AI agents.
Emailens MCP
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Email Validator
Cloudflare Workers MCP server: email-validator
MCPDomain
Buy & manage domains from any AI chat: availability, register, DNS, email forwarding, AI bot stats.
SalesBlink Cold Email
Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.
WarmInboxes Free Deliverability Tools
Free cold email deliverability checks, list tools, inbox planning and original placement research.

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