b4_compare — B4 Index MCP Tool
b4_compare
(b4 compare) is one of 5 tools on the
B4 Index
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call b4_compare from your client
- Claude Code B4 Index b4_compare run in your project directory
- Claude Desktop B4 Index b4_compare ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor B4 Index b4_compare ~/.cursor/mcp.json
- VS Code B4 Index b4_compare .vscode/mcp.json
- Zed B4 Index b4_compare ~/.config/zed/settings.json
- Windsurf B4 Index b4_compare ~/.codeium/windsurf/mcp_config.json
Fastest route
claude mcp add --transport http b4-index https://b4-index.vercel.app/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.