Agent Infra Browser (ByteDance) vs Firefox DevTools MCP
Both are browser automation MCP servers, and we ran both through the same test (click reveal) in each app. Agent Infra Browser (ByteDance) passed 4 of 4 apps we tested it in; Firefox DevTools MCP passed 3 of 3.
Test results side by side
| Agent Infra Browser (ByteDance) | Firefox DevTools MCP | |
|---|---|---|
| Claude Code | Passed 2026-10-13 | Passed 2026-10-23 |
| Cursor | Passed 2026-10-13 | Passed 2026-10-23 |
| Claude Desktop | Passed 2026-10-14 | Not tested yet |
| ChatGPT (Codex) | Passed 2026-10-14 | Passed 2026-10-23 |
| Tools exposed (protocol check) | 21 tools | 35 tools |
| GitHub stars | 39,278 (shared repo) | 509 |
| License | Apache-2.0 | NOASSERTION |
| Last push | 2026-10-09 | 2026-10-20 |
Results from our own harness runs, dated per cell. Stars and last push from GitHub at our last data refresh. We don’t pick a winner here: which one fits depends on your app and setup.
What each does
Agent Infra Browser (ByteDance): ByteDance's browser automation server from its Agent Infra / UI-TARS-desktop stack, for agents that browse and click through web pages.
Firefox DevTools MCP: Mozilla's server that lets an agent drive and inspect Firefox over WebDriver BiDi: browse, fill forms, read the console and network, and debug web pages.
