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github.com/cesarferreira/rustycat @0.2.0
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README
🦀 RustyCat
rcat "com.example.app.*"
About
RustyCat is a modern Android logcat viewer written in Rust that makes debugging Android applications more pleasant with colored output and smart formatting.
Features
- 🎨 Colored log levels (Debug, Info, Warning, Error, Verbose, Fatal)
- 🏷️ Smart tag coloring with 12 distinct colors
- ⏰ Precise timestamps with millisecond precision
- 📱 Package filtering support (e.g., com.example.app or com.example.*)
- 📝 Intelligent tag display (shows tags only when they change)
- 📊 Clean formatting with proper padding and alignment
- 🔄 Multi-line log support with proper indentation
- ⌨️ Interactive mode (press 'q' to quit)
- 🧹 Automatic logcat buffer clearing on start
Installation
cargo install rustycat-android
Usage
rcat
Filter by package name:
rcat com.example.app
Filter with wildcard:
rcat "com.example.*"
Hide timestamps:
rcat --no-timestamp
# or
rcat -t
Acknowledgments
Built with ❤️ using Rust
Inspired by traditional logcat viewers like pidcat
Core symbols most depended-on inside this repo
get_tag_colorcalled by 1
src/main.rs
get_pids_for_package
called by 1
src/main.rs
extract_log_parts
called by 1
src/main.rs
get_level_color
called by 1
src/main.rs
format_multiline_content
called by 1
src/main.rs
format_log_line
called by 1
src/main.rs
main
called by 0
src/main.rs
Shape
Languages
Rust100%
Modules by API surface
src/main.rs8 symbols
For agents
$ claude mcp add rustycat \
-- python -m otcore.mcp_server <graph>