codingheader/myskills/0xbigboss-extract-transcripts

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Extract readable transcripts from Claude Code and Codex CLI session JSONL files

Install

npx vskill@latest install codingheader/myskills/0xbigboss-extract-transcripts

SKILL.md

Extract Transcripts

Extracts readable markdown transcripts from Claude Code and Codex CLI session JSONL files.

Scripts

Claude Code Sessions
bash
# 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)
Codex CLI Sessions
bash
# 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

Session File Locations

Claude Code
  • Sessions: ~/.claude/projects/<project-path>/<session-id>.jsonl
Codex CLI
  • Sessions: ~/.codex/sessions/<session_id>/rollout.jsonl
  • History: ~/.codex/history.jsonl

DuckDB-Based Transcript Index

For querying across many sessions, use the DuckDB-based indexer:

bash
# 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

Output Format

Transcripts are formatted as markdown with:

  • Session metadata (date, duration, model, working directory, git branch)
  • User messages prefixed with ## User
  • Assistant responses prefixed with ## Assistant
  • Tool calls in code blocks (if --include-tools)
  • Thinking in blockquotes (if --include-thinking)
  • Tool usage summary for Codex sessions

Security

  • Security scanPassed, 98 of 100Pattern checks on the skill's files.
  • Model reviewPassed

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Works with

Any agent vskill installs to: 56 targets in all. These 39 have a page on this site.

  • Claude Code
  • Cursor
  • GitHub Copilot
  • Windsurf
  • Codex
  • Gemini CLI
  • Cline
  • Amp
  • Roo Code
  • Goose
  • Continue
  • Kilo Code
  • Junie
  • Trae
  • OpenHands
  • Qwen Code
  • AI Agent
  • Tabnine Chat
  • Sourcegraph Cody
  • Amazon Q
  • Firebase Genkit
  • Sweep
  • Devin
  • Phind
  • Mentat
  • Claude Desktop
  • Aider
  • GPT Pilot
  • Plandex
  • bolt.new
  • v0
  • Replit Agent
  • Anse
  • TypingMind
  • BetterChatGPT
  • LibreChat
  • Warp AI
  • Pieces
  • Fig AI
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