Cc-skills format

Reference for asciinema v3 .cast NDJSON format. TRIGGERS - cast format, asciicast spec, event codes.

install
source · Clone the upstream repo
git clone https://github.com/terrylica/cc-skills
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/terrylica/cc-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/plugins/asciinema-tools/skills/format" ~/.claude/skills/terrylica-cc-skills-format && rm -rf "$T"
manifest: plugins/asciinema-tools/skills/format/SKILL.md
source content

/asciinema-tools:format

Display reference documentation for the asciinema v3 .cast format.

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.

Arguments

ArgumentDescription
header
Show header field specification
events
Show event codes deep-dive
parsing
Show jq/bash parsing examples
all
Show complete format reference
-f, --file
Use specific .cast for examples
--live
Run parsing examples on file

Execution

Invoke the

asciinema-cast-format
skill with user-selected section.

Skip Logic

  • If section provided -> skip Phase 1 (section selection)
  • If
    -f
    provided with
    parsing
    -> skip Phase 2 (example file)

Workflow

  1. Selection: AskUserQuestion for section
  2. Example: AskUserQuestion for example file (if parsing)
  3. Display: Show requested documentation

Examples

# Show header format
/asciinema-tools:format header

# Show event codes
/asciinema-tools:format events

# Parse specific file with live examples
/asciinema-tools:format parsing -f session.cast --live

Troubleshooting

IssueCauseSolution
File not foundInvalid pathUse absolute path or ensure file exists
Parse errorInvalid NDJSONCheck file is valid asciinema v3 format
No outputMissing sectionSpecify one of: header, events, parsing, all

Post-Execution Reflection

After this skill completes, check before closing:

  1. Did the command succeed? — If not, fix the instruction or error table that caused the failure.
  2. Did parameters or output change? — If the underlying tool's interface drifted, update Usage examples and Parameters table to match.
  3. Was a workaround needed? — If you had to improvise (different flags, extra steps), update this SKILL.md so the next invocation doesn't need the same workaround.

Only update if the issue is real and reproducible — not speculative.