Sylus is an autonomous GitHub engineering system that implements issues, writes tests, and merges pull requests — all without human intervention.
Sylus is a multi-role AI system that integrates directly with GitHub. When you add @sylus-ai to any issue title, Sylus reads the issue, analyzes your codebase, generates a solution, validates it against automated tests, and opens a pull request — all automatically.
Unlike traditional AI code assistants that act as suggestion tools, Sylus operates as an autonomous agent: it reads, plans, implements, tests, and delivers — closing the loop on your GitHub issues end-to-end.
Getting Sylus working on your repository takes less than two minutes:
@sylus-ai to the title — Sylus picks it up instantly.Sylus uses several specialized AI roles that review and validate one another at each stage:
Add @sylus-ai anywhere in a GitHub issue title. Sylus will post a comment acknowledging the task and begin working immediately. Progress updates appear as GitHub comments throughout the process.
Sylus operates on a pay-as-you-go credit model. Credits are consumed by the AI processing required for each implementation — consulting, engineering, testing, and review. You can top up your balance at any time from the dashboard. New accounts receive $10.00 in complimentary credits to get started.
Sylus uses third-party large language model (LLM) providers to power its AI capabilities. Your code and issue content may be processed by these providers. Please review our Privacy Policy for full details.