mcp-observatory vs Modelcontextprotocol Core
mcp-observatory and Modelcontextprotocol Core are both security MCP servers. Modelcontextprotocol Core scores higher (94 vs 79 out of 100). Modelcontextprotocol Core has more GitHub stars (14k), and Modelcontextprotocol Core was updated more recently (4 days ago). The table compares them side by side.
| mcp-observatory | Modelcontextprotocol Core | |
|---|---|---|
| Score | 79 / 100 | 94 / 100 |
| What it does | MCP security scanner. CI-native testing, attack simulation, health scoring, and SARIF. | Model Context Protocol for TypeScript — public Zod schemas (spec + OAuth/OpenID) (with updated dependencies) |
| Publisher | Community: KryptosAI | Verified: npm:@depup |
| Grades | Maintenance A, Licence A, Quality B | Maintenance A, Licence A, Quality A |
| npm downloads a week | 432 | 74 |
| Runs | Local | Local |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf |
| GitHub stars | 142 | 13,621 |
| Last commit | 18 Oct 2026 | 20 Oct 2026 |
| Licence | MIT | Apache-2.0 |
| Listed since | 19 Oct 2026 | 20 Oct 2026 |
| Install mcp-observatory | Install Modelcontextprotocol Core |
Questions
Is mcp-observatory or Modelcontextprotocol Core more popular?
Modelcontextprotocol Core has more GitHub stars: 13,621.
Can I use mcp-observatory and Modelcontextprotocol Core together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.