sendgrid_add_or_update_contacts — SendGrid MCP by usefulapi MCP Tool
sendgrid_add_or_update_contacts
(sendgrid add or update contacts) is one of 11 tools on the
SendGrid MCP by usefulapi
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call sendgrid_add_or_update_contacts from your client
- Claude Code SendGrid MCP by usefulapi sendgrid_add_or_update_contacts run in your project directory
- Claude Desktop SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/.cursor/mcp.json
- VS Code SendGrid MCP by usefulapi sendgrid_add_or_update_contacts .vscode/mcp.json
- Zed SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/.config/zed/settings.json
- Windsurf SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/.codeium/windsurf/mcp_config.json
- Cline SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI SendGrid MCP by usefulapi sendgrid_add_or_update_contacts ~/.gemini/settings.json
- Grok SendGrid MCP by usefulapi sendgrid_add_or_update_contacts .mcp.json (in your project root)
- ChatGPT SendGrid MCP by usefulapi sendgrid_add_or_update_contacts Settings → Connectors → Advanced → Developer mode
- Claude.ai SendGrid MCP by usefulapi sendgrid_add_or_update_contacts Settings → Connectors → Add custom connector
- LangChain SendGrid MCP by usefulapi sendgrid_add_or_update_contacts pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http sendgrid https://sendgrid.usefulapi.io/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 14 November 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.