every protocol
HTTP/1.1, HTTP/2, HTTP/3 (QUIC) and WebSocket through one MITM engine, with an auto-generated CA certificate.
// proxy
The intercepting proxy
Every request your browser makes, on your terms — pause it, rewrite it, release it. HTTP/1.1, HTTP/2, HTTP/3 and WebSocket, with on-the-fly TLS.
// capabilities
What it does
intercept & edit
Hold a request or response, edit it by hand, then forward or drop it — interception you can actually read.
match & replace
Rewrite headers and bodies on the wire with rules, so you don't re-edit the same thing on every request.
scope & sitemap
One scope is shared by the scanner, intruder and crawler — and the sitemap builds itself from what flows through.
// detail
Native, not a JVM
One native binary — no JVM, no Electron, sub-second startup, low memory. The same engine feeds the scanner, repeater and intruder, so anything in history is one keystroke from any other tool.
// more
The rest of the toolkit
Vulnerability scanner
An active and passive scanner that ships free — OWASP and API Top 10, with blind out-of-band detection.
Repeater
Send it once. Change one field. Send it again. The careful, hand-driven probe — request and response side by side, over and over.
Intruder
Automated payload attacks at full speed — four modes, 21 generators, 32 processors, and a Turbo mode with raw-TCP batching.
AI agent & MCP
Set a budget, hit explore, and an autonomous agent drives every tool over 162 MCP tools — or wire Claude Code, Cursor or your own agent straight in.
Race conditions PRO
Beat check-then-act windows the proxy can't reach — single-packet attacks, last-byte sync and barrier coordination.
Synaps WASM modules PRO
Extend the scanner without trusting the code — community modules compiled to WebAssembly and run in a hard sandbox.