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GUI mode  →  http://localhost:8081\npypproxy --mode cui  # Terminal UI\n```\n\nSee the **[docs](https://ykus4.github.io/pypproxy/)** for setup, CA installation, and feature guides.\n\n## Features\n\n| Category | Features |\n|----------|---------|\n| **Proxy** | HTTP/HTTPS MITM, WebSocket, gRPC, MQTT, HTTP/2 |\n| **UI** | Sidebar navigation, dark/light mode, real-time traffic table |\n| **Intercept** | Manual request review, edit headers/body, forward or drop |\n| **Rules** | Block / modify / redirect by host, path, method, header, body (regex) |\n| **Decode** | Auto-detect gzip/brotli, JSON, XML, JWT, Base64, multipart, Protobuf, MessagePack, CBOR |\n| **Replay** | One-click replay, parallel fuzzing, Resender tab with full editor |\n| **Bulk Sender** | Payload list mode + race condition test |\n| **Diff** | Unified diff between any two captured entries |\n| **A/B Test** | Send same request to two hosts, compare responses |\n| **Macro** | Chain requests with `{{variable}}` substitution and response extraction |\n| **GraphQL** | Auto-detect, introspection, schema tree, query editor |\n| **OpenAPI** | Auto-generate OpenAPI 3.0 spec from captured traffic |\n| **Code Gen** | Export as curl / Python requests / JavaScript fetch / HTTPie |\n| **Analytics** | Per-host stats, P95/P99 latency, status distribution |\n| **Security** | JWT checker, header checker, token randomness, int overflow, CORS, SSRF, redirect, IDOR |\n| **Frida** | SSL pinning bypass scripts, script injection, device management |\n| **Sessions** | Group entries into named sessions with persistence |\n| **Report** | Export HTML or Markdown report with findings |\n| **Import/Export** | HAR, paxy JSON, OpenAPI, rules |\n| **Full-text search** | SQLite FTS5 across all captured traffic |\n| **Scope** | Capture only in-scope hosts |\n| **DNS spoofing** | Built-in DNS server with domain override |\n| **Scripts** | Python `on_request` / `on_response` hooks |\n| **Plugins** | Drop `.py` files into `~/.pypproxy/plugins/` |\n\n## Quick start\n\n```bash\n# Install\npip install pypproxy\n\n# Start (GUI mode)\npypproxy\n\n# Install CA certificate (macOS)\nsudo security add-trusted-cert -d -r trustRoot \\\n  -k /Library/Keychains/System.keychain ~/.paxy/ca-cert.pem\n\n# Set system proxy (macOS)\nnetworksetup -setwebproxy Wi-Fi 127.0.0.1 8080\nnetworksetup -setsecurewebproxy Wi-Fi 127.0.0.1 8080\n```\n\nOpen **http://localhost:8081** — traffic appears in real time.\n\n## Optional: Frida integration\n\n```bash\npip install 'pypproxy[frida]'\n```\n\nEnables one-click SSL pinning bypass and script injection from the Frida tab.\n\n## CLI flags\n\n```\n--mode       gui (default) or cui\n--port       Proxy port (default 8080)\n--ui-port    Web UI port (default 8081)\n--config     Path to YAML config file\n--script     Path to Python script file\n--ca-dir     CA cert directory (default ~/.paxy)\n--no-db      Disable SQLite persistence\n```\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fykus4%2Fpypproxy","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fykus4%2Fpypproxy","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fykus4%2Fpypproxy/lists"}