📖 The AI Tool Bible

Izlo vs MCP Registry

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Izlo
Agents
MCP Registry
Agents
TaglinePrompt management platform with version control, collaboration, and an API for production deployment.Official discovery registry for Model Context Protocol servers, with a browsable UI and a public API.
CategoryAgentsAgents
PricingPaid· Solo $20/mo; Pro $25/user/mo; Enterprise $39/user/moFree· Free and open source
ModelModel-agnostic—
Editorial score6.9 / 106.6 / 10
Use cases
prompt-managementversion-controlteam-collaborationprompt-testingproduction-deployment
mcp-server-discoveryagent-toolingclient-integrationsregistry-mirror
Pros
  • Git-style version history and activity log for every prompt change
  • Remix sandbox isolates experiments from production prompts
  • REST API lets you swap prompts without redeploying the app
  • Built for multi-user team editing, not just solo developers
  • Official, canonical source for MCP server metadata
  • Open source with a public REST API for programmatic access
  • Supports multiple environments (production, staging, local)
  • Free to use and free to publish servers
Cons
  • No free tier; cheapest plan is $20/mo
  • Stingy token allowance (5K/seat) for in-app testing
  • Lighter on observability/analytics than Langfuse or Helicone
  • Supported model providers not clearly listed on the site
  • Bare-bones UI focused on discovery, not curation or reviews
  • Quality and maintenance varies widely across listed servers
  • Aimed at developers; not useful for non-technical end users
Websitegetizlo.comregistry.modelcontextprotocol.io
Pick Izlo if
  • ✅ Git-style version history and activity log for every prompt change
  • ✅ Remix sandbox isolates experiments from production prompts
  • ✅ REST API lets you swap prompts without redeploying the app
  • ✅ Built for multi-user team editing, not just solo developers
Pick MCP Registry if
  • ✅ Official, canonical source for MCP server metadata
  • ✅ Open source with a public REST API for programmatic access
  • ✅ Supports multiple environments (production, staging, local)
  • ✅ Free to use and free to publish servers
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