MCP server

B4 Index

ai.benroberts/b4-index

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Independent build-vs-buy index: score software categories BUILD/BUY/BRIDGE/BEWARE.

Website

At a glance

Type

MCP server

Publisher

benroberts.ai (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 4,996 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http b4-index https://b4-index.vercel.app/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.b4-index]
url = "https://b4-index.vercel.app/mcp"

Gemini CLI

{"mcpServers":{"b4-index":{"httpUrl":"https://b4-index.vercel.app/mcp"}}}

Cursor

{"mcpServers":{"b4-index":{"url":"https://b4-index.vercel.app/mcp"}}}

VS Code

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

Antigravity

agy mcp add b4-index https://b4-index.vercel.app/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"b4-index","server_url":"https://b4-index.vercel.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"b4-index","server_url":"https://b4-index.vercel.app/mcp"}

Tools

• b4_audit ~1035 tokens
  For a list of vendor or product names (a stack), with an optional description per row. Example: {"tools": ["Salesforce", {"name": "Lydia Voice", "description": "voice-directed picking in the warehouse"}]}. Each row resolves by name when the vendor is indexed, otherwise by its description; a row that
• b4_browse Browses the web · ~1093 tokens
  For browsing, filtering, or finding the index's name for something. Example: {"query": "warehouse picking", "domain": "Supply Chain"}. Search and filter every independently scored software category in the B4 Index. Browse by keyword, domain, quadrant, or industry. When filtering by industry, returns
• b4_compare ~783 tokens
  For one exact category name or id when the question is the build path against the buy path. Example: {"category": "Order Management (OMS)"}. Returns the authored side-by-side comparison (build, buy and bridge by dimension), when building is right, when buying is right, and the score-derived case for
• b4_recommend ~884 tokens
  For a need or problem in words, not a vendor name. Example: {"description": "we need to route warehouse pickers by voice"}. Get B4 Index recommendations from a natural language description of a software need or business context. Matches the description to relevant categories and returns top matches
• b4_score ~1201 tokens
  For one exact category name or id. Example: {"category": "Expense Management", "org": "medium"}. Score a software category using the B4 Index. Provide a known category name to get pre-computed scores, or provide raw dimension scores (1-5 each) for a custom evaluation. Structured output carries the f

Browse

• CRM

Related MCP servers

• Saaskly: B2B software reviews and comparisons
  Independent UK business software reviews, rankings and real pricing as read-only MCP tools.
• AgentsIndex
  The editors' index of AI-native software, from AI agents to the models and frameworks behind them.
• The Front Desk Review
  4,764 products, 626 categories: sourced prices, dated price history, independent-test coverage.
• Shortlist Price Index
  Software prices for AI agents: hosting, SEO, backup, antivirus, email and more. True 3-year cost
• RoboSelect360 - Independent Humanoid Robot Intelligence
  Independent humanoid robot intelligence: capabilities, real cost, supply chain. Free and paid tiers.
• The AI Agent Index
  Search AI agents and agencies: pricing, MCP support, integrations, categories and ratings.
• Orbator
  AI visibility checks, software recommendations and tool comparisons from measured AI answer data
• FreqBlog Music Metadata
  Audio features + harmonic set-building for tracks by name/ISRC. Spotify audio-features replacement.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/ai.benroberts/b4-index.svg)](https://aptlynx.net/servers/ai.benroberts/b4-index)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents