asciinema-converter

# asciinema-converter Convert asciinema .cast recordings to clean .txt files for Claude Code analysis. Achieves 950:1 compression (3.8GB -> 4MB) by stripping ANSI codes and JSON structure. > **Platform**: macOS, Linux (requires asciinema CLI v2.4+) > **Self-Evolving Skill**: This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues. ## When to Use This Skill Use this skill when: - Converting .cast recordings to searchable .txt format - Preparing recordings for Claude Code Read/Grep tools - Batch converting multiple recordings - Reducing storage size of session archives - Extracting clean text from ANSI-coded terminal output --- ## Why Convert? | Format | Size (22h session) | Claude Code Compatible | Searchable | | ------ | ------------------ | ---------------------- | ---------- | | .cast | 3.8GB | No (NDJSON + ANSI) | Via jq | | .txt | ~4MB | Yes (clean text) | Grep/Read | **Key benefit**: Claude Code's Read and Grep tools work directly on .txt output. --- ## Requirements | Component | Required | Installation | Notes | | ------------- | -------- | ------------------------ | --------------------- | | **asciinema** | Yes | `brew install asciinema` | v2.4+ for convert cmd | --- ## Workflow Overview **IMPORTANT**: All phases are MANDATORY. Do NOT skip ...