Witness (n) 3. One who hears; a listener.

Authoritative native witness-state engine for Rolly ZK-Rollup (Node-API addon)

The `acvm_js` package enables users to execute an ACIR program, i.e. generating an initial witness from a set of inputs and calculating a partial witness. This partial witness can then be used to create a proof of execution using an ACVM backend.

witness binary for OpenCode on Linux x86-64.

This JavaScript package enables users to ABI encode inputs to a Noir program, i.e. generating an initial witness.

Independent durable transparency witness with rollback, equivocation, key-rotation, and HTTP service primitives for AbsoluteJS vulnerability evidence.

The `acvm_js` package enables users to execute an ACIR program, i.e. generating an initial witness from a set of inputs and calculating a partial witness. This partial witness can then be used to create a proof of execution using an ACVM backend.

Standalone witness CLI for Aries Tools

XYO Automation Witness

Client for DELTA Witness Capture and Guard with x402 payment discovery

witness binary for OpenCode on macOS Apple Silicon.

Playwright adapter for TestivAI Witness — local-first visual regression with pixel + DOM comparison

Reusable proof profile, report, graph, and witness-planning primitives.

witness binary for OpenCode on Windows ARM64.

Designed to request proofs from the Reclaim protocol and manage the flow of claims and witness interactions.

witness binary for OpenCode on Windows x86-64.

This JavaScript package enables users to ABI encode inputs to a Noir program, i.e. generating an initial witness.

MCP tools for paid DELTA Witness Capture and Guard preflight observations

Open schema and verifier for the Agent Witness Protocol (AWP) — tamper-evident, customer-keyed, offline-verifiable witness records. Verify a receipt without trusting, or asking, the producer.

Cleared Index MCP 1.5.0 — check · route · witness · regime. OpenRouter for x402.