Hubert Gancarczyk fdd1774ca4 fix(flows): stop reporting what a script prints, on both sides
A `script:` step used to bring its stdout and stderr back with it. The
recorder returned `log`/`logTruncated`, the step report carried
`scriptLog`/`scriptLogTruncated`, and the CLI and the MCP content builder
each rendered them. Both surfaces land in an agent's context, and nothing
in the flow file declares what a script prints, so nothing can decide in
advance whether that text is safe to forward. The channel goes rather than
being gated behind a parameter the agent would set itself.

A script step now answers with its verdict and its `reason` only. Deleting
the capture removes what existed to bound it: the 64 KiB per-step cap, the
256 KiB run-wide budget, the V8 frame collapser, the partial-marker guard
and the streaming half of the secret scrub.

Both pipes are still drained, and stderr is still scanned for V8's
heap-exhaustion banner and for a watchdog that never armed.
2026-09-09 16:23:04 +02:00


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Argent gives your AI assistant direct control of iOS simulators, Android emulators and devices, TVs (Apple TV, Android TV, Fire TV) and Electron/Chromium apps. Tap a button, profile a screen, reproduce a bug - without leaving the CLI.

npx @swmansion/argent@latest init  # pnpm: pnpm dlx @swmansion/argent@latest init

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What it does

  • Interact - tap, swipe, gesture, type, hardware buttons; D-pad on TV; mouse and keyboard on desktop.
  • Flows - record a path once, replay it deterministically as a repro or smoke test.
  • Visual regression - diff a baseline against a live capture, OCR- and font-aware.
  • Profiling - Hermes, React DevTools, Xcode Instruments, Perfetto: renders, CPU hotspots, hangs.
  • Debugging - logs, network (fetch and native), JS evaluation, native and React trees.
  • React Native - build, launch and iterate, no extra setup.

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Documentation

Installation · Platforms · CLI · Editors

Privacy

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License

Argent uses a mixed licensing model. Source code is released under the Apache License 2.0. Proprietary binaries (the per-platform bin/<platform>/simulator-server and bin/darwin/ax-service executables and the .dylib files in native-devtools-ios) are the intellectual property of Software Mansion S.A. and are licensed solely for use within this project. Decompiling, reverse-engineering, or redistributing them without explicit written permission is prohibited. By using Argent, you acknowledge and agree to this structure. See LICENSE for full details.

Argent is created by Software Mansion

Since 2012 Software Mansion is a software agency with experience in building web and mobile apps. We are Core React Native Contributors and experts in dealing with all kinds of React Native issues. We can help you build your next dream product – Hire us.

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Description
argent-android-emulator-setup: Set up and connect to an Android emulator using argent MCP tools. Use when starting a new session on Android, booting an emulator, getting a device serial, or…; argent-react-native-optimization: Optimizes a React Native app by profiling first to find real bottlenecks, then sweeping for mechanical issues. Entry-point for all performance work. Use when…; argent-react-native-app-workflow: Step-by-step workflows for developing or debugging React Native apps on iOS sim…
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