extract-transcripts

extract-transcripts is a skill for Claude Code, Codex from aiskillstore/marketplace. It costs 18 tokens per session (897 once invoked), scanned A, original, no licence file.

A tool for turning session JSONL files from Claude Code and Codex CLI into readable transcripts. JSONL is a text format that stores one JSON record per line.

In plain words
What is it for?
It is for extracting transcripts from Claude Code and Codex CLI session files.
Why use it?
It makes command-line coding-agent conversations easier to read than their original machine-oriented files.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/aiskillstore/marketplace/extract-transcripts
Any agent
npx skills add aiskillstore/marketplace --skill extract-transcripts
Clone the repo
git clone --depth 1 https://github.com/aiskillstore/marketplace

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for extract-transcripts

README.md
[![agentmods](https://agentmods.dev/badge/skills/aiskillstore/marketplace/extract-transcripts.svg)](https://agentmods.dev/skills/aiskillstore/marketplace/extract-transcripts)
Your own site
<a href="https://agentmods.dev/skills/aiskillstore/marketplace/extract-transcripts"><img src="https://agentmods.dev/badge/skills/aiskillstore/marketplace/extract-transcripts.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 897 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00018 $0.00897
Opus 5 $0.00009 $0.00449
Sonnet 5 $0.00004 $0.00179
Haiku 4.5 $0.00002 $0.00090

Measured 5d ago against content hash 3c7fba6f3a7e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

extract-transcripts scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (extract_codex_transcript.py, extract_transcript.py, transcript_index.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/0xbigboss/extract-transcripts/SKILL.md · 104 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 104 lines · 18 tokens per session scan A 3c7fba6f3a7e

Subscribe to this mod's changes

extract-transcripts is a skill published in the GitHub repository aiskillstore/marketplace (416 stars, last pushed yesterday), with no licence file. It adds 18 tokens to every session and 897 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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