Script Rules

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Script Rules

Script rules attach QuickJS scripts to request, response, decode, or binary parser phases.

example.com reqScript://my-request-script
example.com resScript://my-response-script
example.com decode://utf8
example.com bp://my-parser decode://bp

Scripts are stored under ~/.bifrost/scripts/<dir>/<name>.js, where the on-disk directory is request, response, decode, or parser — not the protocol prefix. The mapping is reqScript:// → scripts/request/, resScript:// → scripts/response/, decode:// → scripts/decode/, and bp:// (parser) → scripts/parser/. Request scripts can mutate request, response scripts can mutate response, and decode/parser scripts affect stored and displayed traffic.