email_client_compatibility_matrix — SignatureForever MCP Tool
email_client_compatibility_matrix
(email client compatibility matrix) is one of 5 tools on the
SignatureForever
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call email_client_compatibility_matrix from your client
- Claude Code SignatureForever email_client_compatibility_matrix run in your project directory
- Claude Desktop SignatureForever email_client_compatibility_matrix ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor SignatureForever email_client_compatibility_matrix ~/.cursor/mcp.json
- VS Code SignatureForever email_client_compatibility_matrix .vscode/mcp.json
- Zed SignatureForever email_client_compatibility_matrix ~/.config/zed/settings.json
- Windsurf SignatureForever email_client_compatibility_matrix ~/.codeium/windsurf/mcp_config.json
- Cline SignatureForever email_client_compatibility_matrix ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI SignatureForever email_client_compatibility_matrix ~/.gemini/settings.json
- Grok SignatureForever email_client_compatibility_matrix .mcp.json (in your project root)
- ChatGPT SignatureForever email_client_compatibility_matrix Settings → Connectors → Advanced → Developer mode
- Claude.ai SignatureForever email_client_compatibility_matrix Settings → Connectors → Add custom connector
- LangChain SignatureForever email_client_compatibility_matrix pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http email-signatures https://signatureforever.com/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.