B4 Index
ai.benroberts/b4-index
Independent build-vs-buy index: score software categories BUILD/BUY/BRIDGE/BEWARE.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://b4-index.vercel.app/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (1,375 ms) | our check, 2026-10-04 |
| Protocol version | 2025-11-25 | our check, 2026-10-04 |
| Tools (5) | b4_browse, b4_score, b4_audit, b4_compare, b4_recommend | tools/list, 2026-10-04 |
| Registry version | 3.3.0 · active · updated 2026-07-03 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http b4-index https://b4-index.vercel.app/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name ai.benroberts/b4-index.