// Extract readable transcripts from Claude Code and Codex CLI session JSONL files
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| name | extract-transcripts |
| description | Extract readable transcripts from Claude Code and Codex CLI session JSONL files |
Extracts readable markdown transcripts from Claude Code and Codex CLI session JSONL files.
# Extract a single session
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <session.jsonl>
# With tool calls and thinking blocks
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <session.jsonl> --include-tools --include-thinking
# Extract all sessions from a directory
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <directory> --all
# Output to file
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <session.jsonl> -o output.md
# Summary only (quick overview)
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <session.jsonl> --summary
# Skip empty/warmup-only sessions
python3 ~/.claude/skills/extract-transcripts/extract_transcript.py <directory> --all --skip-empty
Options:
--include-tools: Include tool calls and results--include-thinking: Include Claude's thinking blocks--all: Process all .jsonl files in directory-o, --output: Output file path (default: stdout)--summary: Only output brief summary--skip-empty: Skip empty and warmup-only sessions--min-messages N: Minimum messages for --skip-empty (default: 2)# Extract a Codex session
python3 ~/.claude/skills/extract-transcripts/extract_codex_transcript.py <session.jsonl>
# Extract from Codex history file
python3 ~/.claude/skills/extract-transcripts/extract_codex_transcript.py ~/.codex/history.jsonl --history
~/.claude/projects/<project-path>/<session-id>.jsonl~/.codex/sessions/<session_id>/rollout.jsonl~/.codex/history.jsonlFor querying across many sessions, use the DuckDB-based indexer:
# Index all sessions (incremental - only new/changed files)
python3 ~/.claude/skills/extract-transcripts/transcript_index.py index
# Force full reindex
python3 ~/.claude/skills/extract-transcripts/transcript_index.py index --full
# Limit number of files to process
python3 ~/.claude/skills/extract-transcripts/transcript_index.py index --limit 10
# List recent sessions
python3 ~/.claude/skills/extract-transcripts/transcript_index.py recent
python3 ~/.claude/skills/extract-transcripts/transcript_index.py recent --limit 20
python3 ~/.claude/skills/extract-transcripts/transcript_index.py recent --project myapp
python3 ~/.claude/skills/extract-transcripts/transcript_index.py recent --since 7d
# Search across sessions
python3 ~/.claude/skills/extract-transcripts/transcript_index.py search "error handling"
python3 ~/.claude/skills/extract-transcripts/transcript_index.py search "query" --cwd ~/myproject
# Show a session transcript
python3 ~/.claude/skills/extract-transcripts/transcript_index.py show <file_path>
python3 ~/.claude/skills/extract-transcripts/transcript_index.py show <file_path> --summary
Requirements: DuckDB (pip install duckdb)
Database location: ~/.claude/transcript-index/sessions.duckdb
Transcripts are formatted as markdown with:
## User## Assistant