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Extract Transcripts

Organization
aiskillstore
extract-transcripts

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

Overview

Publisheraiskillstore
Repositorymarketplace
Skill nameextract-transcripts
Stars
427
Forks
45
Bundled files
5
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 5 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by aiskillstore on GitHub. Read the source before you install it.

Installation

Install the Extract Transcripts AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/aiskillstore/marketplace.git /tmp/marketplace
mkdir -p .claude/skills
cp -r /tmp/marketplace/skills/0xbigboss/extract-transcripts .claude/skills/extract-transcripts
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Extract Transcripts in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Extract Transcripts on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Extract Transcripts is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

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

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Extract Transcripts AI skill do?

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

Why use Extract Transcripts on TypingMind?

Because you install it once and use it with any model. Extract Transcripts is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Extract Transcripts in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/aiskillstore/marketplace/tree/main/skills/0xbigboss/extract-transcripts. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Extract Transcripts?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Extract Transcripts?

As many as you like. As long as a model supports skills, you can use Extract Transcripts with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Extract Transcripts AI skill free?

It is published on GitHub by aiskillstore. Check the repository for licensing terms. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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