The Cracks Index

Connect it to your AI

Claude Code

claude mcp add --transport http cracks-index https://api.fynqo.app/mcp/cracks/

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://api.fynqo.app/mcp/cracks/

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "cracks-index": {
      "url": "https://api.fynqo.app/mcp/cracks/"
    }
  }
}

Tools it offers

15 tools, as the server itself reported during our check on Oct 31, 2026.

• get_cracks_indexReturn the full country ranking for the latest published snapshot.
• compare_countriesCompare the composite score and rank of several countries. ``iso3_list`` is a list of ISO-3166 alpha-3 country codes.
• country_detailReturn one country's score, rank and per-indicator breakdown.
• country_fixReturn the single highest-impact improvement for one country. The Cracks Index names, alongside each country's score, the one change most associated with the fastest improvement, turning a ranking into a constructive, ac
• get_regionsList sub-national areas in the Cracks Index, ranked within their level. The index covers sub-national areas as well as countries: EU regions (NUTS-2) and Dutch municipalities. This tool returns those areas with their com
• region_detailReturn one sub-national area: score, rank, indicator breakdown and fix. Given a region code (an EU NUTS-2 code or a Dutch municipality CBS GM-code), returns that area's composite score, its rank within its own level (reg
• improvement_guidanceReturn constructive improvement guidance for one area. Given an area identifier — an ISO-3166 alpha-3 country code, an EU NUTS-2 region code or a Dutch municipality CBS GM-code — returns that area's highest-impact improv
• methodologyReturn the index methodology: indicators, weights, direction, sources.
• score_trendsReturn one area's composite-score history across every snapshot. Given an area identifier — an ISO-3166 alpha-3 country code, an EU NUTS-2 region code or a Dutch municipality CBS GM-code — walks every published Cracks In
• top_moversReturn the biggest risers and fallers between the two latest snapshots. Compares every area's composite score in the most recent snapshot against the snapshot before it and returns the areas that improved most (``improve
• indicator_rankingRank all areas by a single chosen indicator. Returns every area's value for one indicator, ordered best-first by the direction-corrected ``normalized_score`` (a higher normalised score always means fewer cracks on that i
• indicator_correlationsReturn pairwise correlations between the six indicators across areas. Computes the Pearson correlation coefficient between every pair of the six Cracks Index indicators, using each area's direction-corrected normalised s
• area_statisticsReturn where one area sits statistically within its own level. Places an area against its peer group (all areas at the same level in the latest snapshot): its percentile, the distance from its composite score to the leve
• gemeente_social_profileReturn the Dutch social-domain profile for one municipality. Given a CBS GM-code, returns that municipality's four v1 social-domain indicators — social-assistance receipt, modelled homelessness, Wmo use and youth-care us
• compare_gemeentenCompare the social-domain profile of several Dutch municipalities. Given two to six CBS GM-codes, returns a side-by-side comparison of their four v1 social-domain indicators plus composite score and rank. Useful for an a

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