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Official MCP Registry Review

Worth it

Should I use Official MCP Registry?

Discover Model Context Protocol servers - registry.modelcontextprotocol.io

· 5 days ago

Free and official. Worth using for discovering and publishing MCP servers. Don't treat a listing as vetted; governance-sensitive teams run a private or gateway registry instead.

Confidence

Medium. Based on ~15 public sources; many snippets truncated, so quotes are partial and counts approximate.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo support evidence in sources
  • Security posture

Pricing

$0

Public registry

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Developers discovering MCP servers
  • Vendors publishing MCP servers
  • Teams standardizing on the official MCP ecosystem

Not for

  • Enterprises needing vetted, governed server catalogs
  • Buyers expecting ratings or reviews per listing
  • Security-sensitive teams, listings are not audited
  • Anyone expecting support, SLAs, or curation guarantees

Gotchas - check before you buy

high

Approved servers can change later. One-time review is not a lasting control

medium

Namespace impersonation is a documented risk; verify the publisher yourself

medium

VS Code 'registry-only' enforcement blocked all installs in one test

Pros and cons

Pros

  • Free official directory backed by the MCP project
  • Public registry API enables programmatic server discovery
  • Integrated into major clients like VS Code
  • Launched to clear confusion among unofficial directories
  • Central index of hundreds of official MCP servers

Cons

  • Listings are not security-vetted; researchers found widespread issues
  • Suspicious listings have appeared on the official registry
  • Known stored XSS vulnerability in catalogue UI
  • Community calls the registry ecosystem a trust mess
  • Product security page returns endpoint-not-found

Sources & method

- 10 sources - One known medium-severity stored XSS CVE; broader MCP trust and impersonation risks documented.

official x2review x3security x3news x2
  • CVE-2026-44429. Stored XSS in catalogue UI, Medium-severity cross-site scripting vulnerability in the official MCP Registry catalogue UI.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Completely free to browse and publish
  • Ease of use: 3/5. Some client integration friction reported
  • Feature depth: 3/5. Basic directory; lighter curation than competitors
  • Support quality. No support evidence in sources
  • Security posture: 2/5. Stored XSS CVE; impersonation and trust concerns
  • $0 Price Free public registry
  • Yes Free tier Browsing and publishing are free
  • 759+ Servers listed Per community count, vs a '30' claim
  • 1 Known CVEs Stored XSS, medium severity (2026)

Pricing

Public registry

$0

  • Browse and search MCP servers
  • Publish server listings
  • Public registry API

Security

One known medium-severity stored XSS CVE; broader MCP trust and impersonation risks documented.

  • CVE-2026-44429. Stored XSS in catalogue UIMedium-severity cross-site scripting vulnerability in the official MCP Registry catalogue UI.⁷

What users say

Reddit users welcome an official registry but flag thin curation, trust concerns, and ecosystem confusion.

“Feel like they've missed”
Reddit, r/mcp
“The official MCP registry has 759 servers, not 30.”
Reddit, r/mcp

Alternatives

Compare Official MCP Registry with each alternative.

  • TrueFoundry Registry

    Managed, enterprise-grade registry for governed MCP deployments.

Companies that use it

  • Boomi
  • Microsoft

Companies that could

  • GitHub Uses GitHub MCP Registry instead
  • Stacklok Uses Stacklok's own registry curation solution instead
  • TrueFoundry Uses TrueFoundry managed registry platform instead
  • Obot Uses Obot's own MCP registry build instead
Full analysis

Based on ~15 public sources; many snippets truncated, so quotes are partial and counts approximate.

Free official MCP server directory. Good for discovery, but a listing is not a security vetting.

Methodology

Based on ~15 public sources; many snippets truncated, so quotes are partial and counts approximate.

Read how a report is made.

Sources

  1. Official MCP Registryregistry.modelcontextprotocol.io
    official
  2. MCP Registry FAQmodelcontextprotocol.io
    official
  3. MCP registry launched by Anthropicreddit.com
    review
  4. The official MCP registry has 759 servers, not 30reddit.com
    review
  5. I ran tools/list against every remote serverreddit.com
    review
  6. MCP Registry stored XSS advisory (GHSA-rqv2-m695-f8j4)github.com
    security
  7. CVE-2026-44429secalerts.co
    security
  8. MCP Server Security: Why Approving Once Isn't a Controlysecurity.io
    security
  9. What 15,465 ungoverned MCP servers tell usworkos.com
    news
  10. MCP Registry Benefits, Architecture, Risksexabeam.com
    news

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