AI Plugin IndexFirefox DevTools MCP vs mockserver
Firefox DevTools MCP and mockserver are both developer tools MCP servers. mockserver scores higher (100 vs 81 out of 100). mockserver has more GitHub stars (5.0k), and mockserver was updated more recently (yesterday). The table compares them side by side.
| Firefox DevTools MCP | mockserver | |
|---|---|---|
| Score | 81 / 100 | 100 / 100 |
| What it does | Control and debug Firefox: navigate, fill forms, inspect network and console, profile. | Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP. |
| Publisher | Community: mozilla | Verified: mock-server.com |
| Grades | Maintenance A, Licence F, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | 5,265 | 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 | 503 | 4,993 |
| Last commit | 16 Oct 2026 | 19 Oct 2026 |
| Licence | NOASSERTION | Apache-2.0 |
| Listed since | 19 Oct 2026 | 19 Oct 2026 |
| Install Firefox DevTools MCP | Install mockserver |
Questions
Is Firefox DevTools MCP or mockserver more popular?
mockserver has more GitHub stars: 4,993.
Can I use Firefox DevTools MCP 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.