Listen is a modern frontend proxy debugging tool that provides features such as request modification, response modification, and API Mocking to help you debug network requests efficiently.
- Mapping: Map server directories to local directories.
- Rewriting: Intercept and modify requests and responses using pre-defined rules.
- Breakpoints: Manually intercept and modify requests and responses.
- Scripting: Write JavaScript code for programmatic modification of requests and responses.
- Gateway: Block specific requests.
- Mirroring: Map domain names.
- Gateway Proxy: Proxy all HTTP requests from local applications using virtual network card (TUN mode) routing.
- Secondary Proxy: Forward requests to other proxy servers.
- WebSocket: Support WebSocket debugging, allowing you to send and modify messages.
- Request Simulation: Construct any HTTP/HTTPS request.
- Edit & Resend: Quickly modify and resend captured requests in coordination with the proxy feature.
See the GitHub Version History.

