{"id":"opentabs-dev-opentabs","name":"opentabs","af_score":62.5,"security_score":66.0,"reliability_score":28.8,"what_it_does":"OpenTabs turns browser tabs (and existing authenticated browser sessions) into an agent-accessible tool system. It exposes actions via MCP tools, and supports a plugin system that discovers/registers site APIs for in-browser calls, plus built-in browser tools (e.g., screenshots/clicking/typing/network capture).","best_when":"You already have an authenticated Chrome session and want an agent to call the same internal APIs the web frontend uses, with plugin-level permissions and an MCP tool interface.","avoid_when":"You cannot run a local Chrome extension/automation setup, or you need a provider-hosted API with clear cloud SLAs and centralized rate limiting.","last_evaluated":"2026-03-30T13:37:39.573823+00:00","has_mcp":true,"has_api":false,"auth_methods":["Browser session (uses your existing Chrome session)","Per-plugin/per-tool permission modes: Off / Ask / Auto"],"has_free_tier":false,"known_gotchas":["Browser-automation is sensitive to UI changes, login/session expiry, and timing; tool success may depend on the current tab state.","“Runs locally” reduces provider exposure but increases local security/permission risk: an agent could trigger unintended actions if permissions are set to Auto.","Plugin capabilities/permissions reset on plugin updates (may require re-review)","Rate limits for underlying services (e.g., Slack/Discord/etc.) are not described here at the tool layer, so retry/backoff behavior may vary by adapter/target API."],"error_quality":0.0}