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openapi vs mockserver

openapi and mockserver are both developer tools MCP servers. mockserver scores higher (100 vs 59 out of 100). mockserver has more GitHub stars (5.0k), and mockserver was updated more recently (3 days ago). The table compares them side by side.

openapimockserver
Score59 / 100100 / 100
What it doesTurn any OpenAPI/Swagger spec into MCP tools. Zero config, zero code.Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.
PublisherCommunity: Docat0209Verified: mock-server.com
GradesMaintenance D, Licence A, Quality CMaintenance A, Licence A, Quality A
npm downloads a week206Not on npm
RunsLocalLocal
Works withClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, WindsurfClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf
GitHub stars34,993
Last commit21 Mar 202619 Oct 2026
LicenceMITApache-2.0
Listed since19 Oct 202619 Oct 2026
Install openapiInstall mockserver

Questions

Is openapi or mockserver more popular?

mockserver has more GitHub stars: 4,993.

Can I use openapi 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.