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You can access FSDB waveform facts as structured JSON: open sessions, discover scopes, list signals, read values, inspect APB/AXI transactions and generic events, run condition checks, verify expressions over time windows, inspect signals and handshakes, and detect anomalies for protocol debug.

It targets hardware verification engineers, RTL designers, and AI agents assisting with digital design debug. Anyone analyzing FSDB simulation waveforms who needs structured, machine-readable access to signals, bus transactions, and protocol behavior will benefit.

The agent invokes xwave to query an FSDB waveform source, then receives structured JSON facts covering sessions, scopes, signal values, transactions, and events. It can chain queries—such as condition checks and window verification—to complete protocol debug and anomaly detection tasks.

xwave requires FSDB waveform data as its input source, typically produced by digital simulation environments. It outputs structured JSON facts, so consuming agents must be able to parse JSON responses covering signals, transactions, events, and verification results.