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5fa4defcbc feat(artifacts): inspect and extract Godot PCK with retained facts (#3634 )

* feat(artifacts): read Godot PCK packs

Add a Godot Engine PCK artifact reader for standalone packs and packs
embedded behind an executable trailer (formats 2 and 3). Members are
uncompressed byte ranges verified against their declared MD5 on read.

Encrypted directories, sparse bundles, patch removal entries, unknown
flags and format 1 fail closed as unavailable; encrypted members are
reported without being read. inspect-artifact and extract-artifact
recognize standalone packs by their GDPC magic.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(artifacts): bound Godot PCK metadata and own member streams

Cap member paths at 4096 bytes and the retained directory at 64 MiB
before allocation. Read members with positional chunk reads through
pipeline so cancellation is typed, abandoned consumers release their
source, and the shared descriptor stays reader-owned. Retain the root
descriptor for godot-pck inventory, as for ZIP and universal Mach-O.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* feat(artifacts): complete Godot PCK facts, integrity and selected views

* fix(artifacts): preserve atomic-root inventory Evidence

* fix(artifacts): bound aggregate PCK member expansion

---------

Co-authored-by: Samucahub <151155051+Samucahub@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>

2026-10-20 09:53:53 +08:00

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REA

Reverse Engineer Anything

Understand binaries, applications, and runtime behavior with one CLI and MCP server.

theme	text	link
brand	Get started	/installation

theme	text	link
alt	View on GitHub	https://github.com/morluto/rea

title	details	link
Investigate with your agent	Connect REA to your coding agent, describe the app or feature you want to understand, and follow the evidence.	/mcp-prompts

title	details	link
Inspect across formats	Explore native binaries, JavaScript and Electron apps, .NET assemblies, Android packages, firmware, and websites.	/installation

title	details	link
Keep the evidence	Analysis runs locally and returns observations, limitations, and unknowns through the CLI and MCP.	/mcp-contracts

Start with one command

npx rea-agents setup

Choose your agent, review the planned changes, and approve setup. Native binary analysis can use an existing Hopper, Ghidra, or IDA installation; static JavaScript analysis needs no native analysis engine.

For a first result from an extracted JavaScript application or ASAR:

npx -y rea-agents@latest analyze-javascript-application /absolute/path/to/app --json

See installation and setup for requirements and configuration.

For runtime instrumentation, see the Frida guide.

Choose a guide

Task	Guides
Identify a desktop installation	Runtime candidates, evidence and follow-up files
Inspect native functions, references, or types	Native binaries, Go metadata, Rust dependencies, offline ELF layout, recorded crashes
Select a native provider or import format	Ghidra semantics, Windows, DOS, raw bytes, MIPS, PSP, NativeAOT, IDA, Kuna, JEB
Analyze JavaScript or Electron artifacts	Static analysis, tracing and comparisons, application graph, source recovery
Compare static JavaScript with runtime observations	Runtime attribution, reconciliation, Electron observation, Electron fuses
Inspect assemblies, packages, or firmware	Godot PCK, .NET, Android, Apktool resources, ADB acquisition, Apple, Harmony, firmware, WASM, EVM
Observe or compare a browser scenario	CDP observation, scenarios, runtime evidence, historical captures
Serve recorded behavior as an agent environment	Agent environments
Trace captured website source	Source locations, module traces, script export
Capture and compare a command	Process capture
Use CLI/MCP and retain evidence	CLI, MCP contracts, agent prompts, obligation ledgers

For development, use testing, client verification, tool design, and releasing. Reconstruction readiness describes a development conformance verifier. The 6.2 migration records that release's compatibility changes; the roadmap tracks future work.

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Start with one command

Choose a guide

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