AI Plugin IndexRelay Companion vs MCP Registry Server
Relay Companion and MCP Registry Server are both ai and llm tools MCP servers. MCP Registry Server scores higher (94 vs 89 out of 100). MCP Registry Server has more GitHub stars (7.4k), and Relay Companion was updated more recently (7 days ago). The table compares them side by side.
| Relay Companion | MCP Registry Server | |
|---|---|---|
| Score | 89 / 100 | 94 / 100 |
| What it does | Install Relay for Claude Code, Cowork, and Codex, then sign in from the Relay pill. | Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server. |
| Publisher | Verified: npm:relay-companion | Verified: mcp.com.ai |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence F, Quality A |
| npm downloads a week | 11,022 | Not on npm |
| Runs | Local | Remote |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT |
| GitHub stars | 0 | 7,381 |
| Last commit | 16 Oct 2026 | 14 Oct 2026 |
| Licence | MIT | NOASSERTION |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Relay Companion | Install MCP Registry Server |
Questions
Is Relay Companion or MCP Registry Server more popular?
MCP Registry Server has more GitHub stars: 7,381.
Can I use Relay Companion and MCP Registry Server together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.