{"slug":"mcp-so","name":"mcp.so","domain":"mcp.so","verdict":"As of 2026-07-15, ChatGPT, Claude, Gemini, Grok collectively rank mcp.so #4 of 11 for mcp registry. Source: https://modelsagree.com/product/mcp-so (modelsagree.com, CC BY 4.0).","best_rank":4,"categories":1,"entries":[{"slug":"best-mcp-registry","title":"Best MCP registry","rank":4,"of":11,"score":4,"appearances":3,"modelRanks":{"ChatGPT":5,"Gemini":4,"Grok":5},"reason":"Provides a highly readable, consumer-friendly web catalog indexing a massive volume of community servers with clean categorizations and instant copy-paste configuration snippets.","reasons":[{"model":"Gemini","reason":"Provides a highly readable, consumer-friendly web catalog indexing a massive volume of community servers with clean categorizations and instant copy-paste configuration snippets."},{"model":"ChatGPT","reason":"Very broad coverage, approachable browsing, tags, and copyable client configuration make it useful for finding obscure or long-tail MCP servers that smaller curated catalogs miss."},{"model":"Grok","reason":"WHY: Community-driven marketplace with usage rankings, filters, and broad curated directory—practical for quick browsing and trending real-world adoption insights. FIX: Popularity/traffic bias over verified quality or governance; more aggregator than authoritative source."}],"fixes":[{"model":"ChatGPT","fix":"Inconsistent listing quality, duplication, and limited security or maintenance verification make it unsuitable as the sole basis for installing privileged tools."},{"model":"Gemini","fix":"It lacks active security scanning, automated validation pipelines, or interactive runtime environments."},{"model":"Grok","fix":"Popularity/traffic bias over verified quality or governance; more aggregator than authoritative source."}],"updated":"2026-07-15","api":"https://modelsagree.com/api/v1/best/best-mcp-registry.json"}],"page":"https://modelsagree.com/product/mcp-so","check":"https://modelsagree.com/check?q=mcp.so","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}