
Mark by Airtop
Meet Mark. Vibe automation for marketers.4.7 (9 reviews)
AI Agents are software systems that act as digital teammates, performing tasks autonomously or semi-autonomously. This includes agents for engineering, data science, sales development, operations support, and design work.







Real answers from real users, pulled straight from launch discussions, forums, and reviews.
Happycapy shows it’s possible to run agent-like apps without relying on local files: reviewers praise its built-in AI, database, and analytics that let you build and launch agents that operate on cloud data. In practice, sandboxing in the browser without local file access means the platform must host the agent runtime, use cloud storage/APIs, and surface a secure in‑browser UI.
Key points:
So yes — with a hosted platform that provides storage and API integrations, you can sandbox agents in the browser without local file access.
Relay.app, Albato and Trace users rely on platform features to keep keys and creds safe in production. Key practices they emphasize:
Pick tools that combine robust integrations, role controls, and auditing to reduce credential exposure.
Relay.app and similar platforms let you extend agents with custom skills, integrations, and prompt customization. Key points:
Overall: yes—most modern agent platforms support extensibility, but integration depth varies.