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VS Code B4 Index b4_browse

How to: VS Code B4 Index b4_browse

client:VS Code transport:streamable-http tool:b4_browse

Add B4 Index to VS Code

  1. 01

    Open .vscode/mcp.json and merge this in. Keep any servers already there.

{
  "servers": {
    "b4-index": {
      "type": "http",
      "url": "https://b4-index.vercel.app/mcp"
    }
  }
}
  1. 02

    Save the file and restart VS Code.

  2. 03

    Ask for something b4_browse does. VS Code lists the server's tools on connect and calls b4_browse itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that B4 Index's identifier in your config matches the one above exactly.

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

Same tool, other clients

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.