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B4 Index

ai.benroberts/b4-index
Independent build-vs-buy index: score software categories BUILD/BUY/BRIDGE/BEWARE.
healthy
status
5
tools exposed
1666ms
connect latency
721b3c1a46e5
schema fingerprint

Tools (5)

b4_browse
Search and filter the B4 Index's 1,600+ independently scored software categories. Browse by keyword, domain, quadrant, or industry. When filtering by industry, returns all vertical categories for that industry PLUS all horizontal categories (which apply to every industry). Each row carries its bande
b4_score
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. Returns the banded verdict (primary, confidence, near-call flag, full distribution, tipping point), axes, urgency level, and a c
b4_audit
Analyze a software stack against the B4 Index. Provide a list of tool/category names, and get per-tool banded verdicts plus a portfolio summary with verdict distribution, BEWARE spend, near calls, and priority actions. Verdicts are banded (B4 methodology v4.0), not point calls: each of the three qua
b4_compare
Compare build vs buy for a specific software category. Returns side-by-side analysis with the category's banded verdict, scores, vendor options, AI replacement approach, and action steps for each path. Verdicts are banded (B4 methodology v4.0), not point calls: each of the three quadrant dimensions
b4_recommend
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 with scores, banded verdicts, and actionable recommendations. Verdicts are banded (B4 methodology v4.0), not point calls: ea

Endpoint

https://b4-index.vercel.app/mcp
Category: Other · Last checked: 2026-08-15T08:43:59Z

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How we measure →
What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.