📖 The AI Tool Bible

MCP Registry vs Superpower ChatGPT

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

 
MCP Registry
Agents
Superpower ChatGPT
Agents
TaglineOfficial discovery registry for Model Context Protocol servers, with a browsable UI and a public API.Chrome extension that bolts folders, prompt libraries, and bulk export onto the ChatGPT web UI.
CategoryAgentsAgents
PricingFree· Free and open sourceFreemium· Free core features; Pro tier for advanced limits
Model—GPT (via ChatGPT UI)
Editorial score6.6 / 107.0 / 10
Use cases
mcp-server-discoveryagent-toolingclient-integrationsregistry-mirror
chatgpt-organizationprompt-managementconversation-exportprompt-libraryworkflow-automation
Pros
  • 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
  • Folders, search, and prompt library that the native ChatGPT UI lacks
  • Bulk export to PDF, Markdown, JSON, and TXT
  • Prompt queue lets you chain sequential prompts unattended
  • Conversation tree map makes branched chats navigable
  • Mature with 100K+ users and active development
Cons
  • 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
  • Only works with ChatGPT, not Claude or Gemini
  • Breaks occasionally when OpenAI ships UI changes
  • Some advanced features gated behind Pro
  • Browser extension means desktop Chrome/Edge only
Websiteregistry.modelcontextprotocol.iochromewebstore.google.com
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
Pick Superpower ChatGPT if
  • ✅ Folders, search, and prompt library that the native ChatGPT UI lacks
  • ✅ Bulk export to PDF, Markdown, JSON, and TXT
  • ✅ Prompt queue lets you chain sequential prompts unattended
  • ✅ Conversation tree map makes branched chats navigable
Compare a different pair →