{"slug":"official-mcp-registry","name":"Official MCP Registry","domain":"modelcontextprotocol.io","verdict":"As of 2026-07-15, ChatGPT, Claude, Gemini, Grok collectively rank Official MCP Registry first for mcp registry (one of 2 leaderboards it appears on). Source: https://modelsagree.com/product/official-mcp-registry (modelsagree.com, CC BY 4.0).","best_rank":1,"categories":2,"brief":{"category":"best-mcp-registry","title":"Best MCP registry","rank":1,"of":11,"top":null,"day":"2026-07-16","why":[{"t":"canonical source of truth","m":["Grok","Claude","ChatGPT","Gemini"],"q":"Canonical source of truth"},{"t":"verified namespace authority","m":["Claude","ChatGPT","Gemini"],"q":"verified namespace ownership"},{"t":"open API and ecosystem-neutral infrastructure","m":["Grok","Claude","ChatGPT"],"q":"an open API, and ecosystem-neutral infrastructure"},{"t":"protocol steering group backing","m":["Grok","Claude","Gemini"],"q":"Backed by the protocol's steering group"}],"gap":[],"fix":[{"t":"better browsing and discovery UX","m":["ChatGPT","Claude","Gemini"],"q":"minimal browsing UX, no hosting, ratings, or curation"},{"t":"add evaluation, testing, and install UX","m":["ChatGPT","Gemini"],"q":"weaker ranking, evaluation, testing, and install UX than Glama or Smithery"},{"t":"stronger enterprise governance and private curation","m":["Grok"],"q":"less emphasis on enterprise governance or private curation"}]},"entries":[{"slug":"best-mcp-registry","title":"Best MCP registry","rank":1,"of":11,"score":15,"appearances":4,"modelRanks":{"ChatGPT":3,"Claude":2,"Gemini":3,"Grok":1},"reason":"WHY: Canonical source of truth with live handshake validation, broad ecosystem backing (e.g., Anthropic, GitHub contributors), active recent updates, open API for sub-registries, and direct discoverability for public MCP servers—highest legitimacy and coverage for typical practitioners seeking reliable tools without vendor lock-in. FIX: Preview-stage with potential instability/incompleteness; less emphasis on enterprise governance or private curation.","reasons":[{"model":"Grok","reason":"WHY: Canonical source of truth with live handshake validation, broad ecosystem backing (e.g., Anthropic, GitHub contributors), active recent updates, open API for sub-registries, and direct discoverability for public MCP servers—highest legitimacy and coverage for typical practitioners seeking reliable tools without vendor lock-in. FIX: Preview-stage with potential instability/incompleteness; less emphasis on enterprise governance or private curation."},{"model":"Claude","reason":"The canonical, open-source, API-first source of truth backed by the MCP steering committee (Anthropic, GitHub, et al.), with namespace-verified publishers — the upstream that most other directories now consume, so it has the best provenance and least SEO junk."},{"model":"ChatGPT","reason":"The strongest source of canonical publisher metadata, verified namespace ownership, versioned distributions, an open API, and ecosystem-neutral infrastructure; the best starting point when authenticity and machine-readable discovery matter most."},{"model":"Gemini","reason":"Backed by the protocol's steering group as the canonical, DNS-verified source of truth for public metadata schemas, ensuring namespace authority and registry persistence."}],"fixes":[{"model":"ChatGPT","fix":"It is a registry backbone rather than a mature recommendation marketplace, with weaker ranking, evaluation, testing, and install UX than Glama or Smithery."},{"model":"Claude","fix":"It is a metadata backbone, not a shopping experience — minimal browsing UX, no hosting, ratings, or curation, so most practitioners consume it through a downstream client or aggregator rather than directly."},{"model":"Gemini","fix":"It lacks a user-friendly GUI, categorized discovery tools, or developer sandboxes, serving strictly as a raw metadata API repository."},{"model":"Grok","fix":"Preview-stage with potential instability/incompleteness; less emphasis on enterprise governance or private curation."}],"updated":"2026-07-15","api":"https://modelsagree.com/api/v1/best/best-mcp-registry.json"},{"slug":"best-mcp-server-platform","title":"Best MCP server platform","rank":4,"of":13,"score":6,"appearances":2,"modelRanks":{"Claude":4,"Grok":2},"reason":"Canonical, community-maintained, vendor-neutral source of truth for discovery with standardized metadata, API, and broad ecosystem integration; foundational for all other tools and ideal for open-source practitioners seeking unbiased, up-to-date listings.","reasons":[{"model":"Grok","reason":"Canonical, community-maintained, vendor-neutral source of truth for discovery with standardized metadata, API, and broad ecosystem integration; foundational for all other tools and ideal for open-source practitioners seeking unbiased, up-to-date listings."},{"model":"Claude","reason":"The vendor-neutral, open-source source-of-truth for discovery that the rest of the ecosystem (Smithery, PulseMCP, Docker, clients) federates from; a near-tie with Smithery on the discovery axis alone."}],"fixes":[{"model":"Claude","fix":"Discovery only — no hosting, no runtime, no management, and still maturing — of little use as a standalone \"platform.\""},{"model":"Grok","fix":"Lacks built-in hosting, advanced governance, auth/auditing, or runtime management—pure discovery/metadata focus."}],"updated":"2026-07-15","rank_history":{"days":["2026-07-14","2026-07-15"],"ranks":[7,2]},"api":"https://modelsagree.com/api/v1/best/best-mcp-server-platform.json"}],"page":"https://modelsagree.com/product/official-mcp-registry","check":"https://modelsagree.com/check?q=Official%20MCP%20Registry","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}