AI Plugin IndexMetaharness vs Actionbook
Metaharness and Actionbook are both browser automation MCP servers. Actionbook scores higher (95 vs 92 out of 100). Actionbook has more GitHub stars (1.6k), and Metaharness was updated more recently (today). The table compares them side by side.
| Metaharness | Actionbook | |
|---|---|---|
| Score | 92 / 100 | 95 / 100 |
| What it does | MetaHarness — mint a custom AI agent harness from any repo. Browser Studio + `npx metaharness` CLI. Runs on Claude Code, Codex, pi.dev, Hermes, OpenClaw, RVM, Prime Agent. | Let your AI agent operate any website through a real, logged-in browser session. |
| Publisher | Verified: npm:metaharness | Verified: actionbook.app |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | 30,561 | Not on npm |
| Runs | Local | Remote |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT |
| GitHub stars | 709 | 1,619 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | Apache-2.0 |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Metaharness | Install Actionbook |
Questions
Is Metaharness or Actionbook more popular?
Actionbook has more GitHub stars: 1,619.
Can I use Metaharness and Actionbook together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.