Fourbyfour
Fourbyfour is the AI Chief Revenue Officer for PLG products. Detect when users are about to convert, drop, or expand—and trigger the right action automatically.
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https://fourbyfour.dev/https://api.fourbyfour.dev/mcpThis server may ask you to sign in when your AI client connects.
Last probed Nov 3, 2026 · api.fourbyfour.dev
Fourbyfour requires sign-in before tools can be listed. Connect the MCP server to inspect the live tool list in your client.
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A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsFourbyfour is the AI Chief Revenue Officer for PLG products. Detect when users are about to convert, drop, or expand—and trigger the right action automatically.
Use the remote MCP URL on this page in your MCP client (Claude, Cursor, VS Code, and more). Copy the endpoint if your client needs a manual entry, then complete provider sign-in when your client connects — tools appear after authentication.
This endpoint requires provider sign-in, so MCPBundles could not list tools anonymously during the last probe. After you connect and authenticate in your MCP client, your session should receive the live tool list from the provider.
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