jamie-bitflight/typer-and-rich
plugins/python3-development/skills/typer-and-rich/SKILL.md
Use when building Typer/Rich CLI applications or reviewing existing CLI code for correctness. Activates on requests involving Rich table rendering, console output handling, testing Rich-formatted output, or Typer command wiring. Prevents common AI mistakes — Rich table wrapping in non-TTY contexts, incorrect stderr/stdout separation, and integration pitfalls. Load alongside the typer and rich API reference skills.
$ install --global
skillsauthnpx skillsauth add jamie-bitflight/claude_skills typer-and-richInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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TrivyContainer and dependency vulnerability scanner
95%
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95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
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Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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Last scanned: Apr 30, 2026, 7:40 AM30.7s13 files scanned
SKILL.md
- name:
- typer-and-rich
- description:
- Use when building Typer/Rich CLI applications or reviewing existing CLI code for correctness. Activates on requests involving Rich table rendering, console output handling, testing Rich-formatted output, or Typer command wiring. Prevents common AI mistakes — Rich table wrapping in non-TTY contexts, incorrect stderr/stdout separation, and integration pitfalls. Load alongside the typer and rich API reference skills.
- argument-hint:
- <test_file_or_test_name>
- user-invocable:
- true
Typer and Rich Best Practices
<user_input>$ARGUMENTS</user_input> If <user_input/> contains a directory or file then that is what should be examines against this guide specifically. Start immediately. If its empty, then use this as a reference for existing tasks.
Correctness patterns for building CLI applications with Typer and Rich, focused on non-TTY environments and common failure modes. For API reference, load the dedicated skills:
Skill(skill="python3-development:typer")— Typer CLI framework API referenceSkill(skill="python3-development:rich")— Rich terminal UI API reference
Non-TTY and Programmatic Usage
Consult ../python3-development/references/python3-standards.md when applying shared architecture, typing, testing, or CLI rules; full standards, graphs, and amendment process are documented there.
See references/non-tty-patterns.md — Console behavior without TTY, width defaults, force_terminal vs width, Progress/Live in non-interactive contexts, environment variables.
Rich Table Width Measurement
See references/rich-tables.md — width measurement pattern that prevents wrapping at 80 columns in non-TTY output.
Testing Patterns
See references/testing-patterns.md — capturing Rich output in pytest, CliRunner with Rich, snapshot testing, common assertion mistakes.
Exception Chain Prevention
See references/exception-handling.md — Typer exception chain prevention with AppExit and AppExitRich patterns. Read when implementing error handling in Typer CLI applications.
Working Script Examples
See assets/typer_examples/index.md — working scripts demonstrating non-TTY display solutions. Read when troubleshooting display and layout of terminal applications.
See assets/python-cli-demo.py — complete working CLI demo with all patterns (PEP 723 shebang, Typer + Rich integration, modern Python 3.11+, async processing). Read when creating a new CLI tool as a reference implementation.
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