Openapi Sync vs mockserver
Openapi Sync and mockserver are both developer tools MCP servers. mockserver scores higher (100 vs 70 out of 100). mockserver has more GitHub stars (5.0k), and mockserver was updated more recently (2 days ago). The table compares them side by side.
| Openapi Sync | mockserver | |
|---|---|---|
| Score | 70 / 100 | 100 / 100 |
| What it does | A powerful developer tool that automates API documentation synchronization with your codebase using OpenAPI specifications. Generates TypeScript types, fully-typed API clients (Fetch, Next.js Fetch, Axios, React Query, SWR, RTK Query), endpoint definition | Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP. |
| Publisher | Verified: npm:openapi-sync | Verified: mock-server.com |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 57 | Not on npm |
| 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 | 1 | 4,993 |
| Last commit | 17 Oct 2026 | 19 Oct 2026 |
| Licence | ISC | Apache-2.0 |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Openapi Sync | Install mockserver |
Questions
Is Openapi Sync or mockserver more popular?
mockserver has more GitHub stars: 4,993.
Can I use Openapi Sync and mockserver together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.