String is an AI platform that builds, runs, edits, and deploys agents from natural language prompts. It connects to over 2,500 apps and APIs, including GitHub, Slack, Gmail, and Google Sheets. The tool generates code automatically, tests it, and handles deployment without user-managed infrastructure.

Key features include prompt-based creation, where users describe tasks in English. The system parses intent, writes code, and integrates services. It supports editing generated code and real-time testing with logs. Deployment occurs in one click after authentication. Integrations cover messaging, data processing, and AI services. No API keys or setup required from users.

Users appreciate the speed for simple automations, such as email alerts or data syncing. It reduces development time compared to manual coding. The free tier allows basic testing, with pro plans starting at $20 monthly for unlimited agents. This pricing undercuts competitors like Make.com, which charges per operation and lacks native AI code generation. Make excels in visual flows but requires more configuration. String handles conditional logic better through prompts.

Limitations include occasional inaccuracies in complex prompts, needing manual code tweaks. It depends on external API stability, which can cause failures. Advanced users may find the generated code basic, requiring custom additions. No offline mode exists, as it runs cloud-based.

Surprise elements involve its error explanations, which detail issues clearly. It also suggests prompt refinements for better results.

Practical advice: Use specific prompts with action verbs. Test agents thoroughly before production use. Monitor logs for integrations.