youtube-transcriber

youtube-transcriber is an agent for coding agents from datacore-one/datacore. It costs 38 tokens per session (1,522 once invoked), scanned A, original, MIT.

A helper for obtaining captions and basic information from YouTube videos and playlists. The supplied description says it has been replaced by another tool and is deprecated.

In plain words
What is it for?
Use it only where an existing process still calls this helper for YouTube transcripts and metadata; it is not the current recommended route.
Why use it?
It may help explain or maintain older workflows, but new workflows should use the replacement named in the add-on’s documentation.

Agent

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 agents/datacore-one/datacore/youtube-transcriber
Clone the repo
git clone --depth 1 https://github.com/datacore-one/datacore

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 youtube-transcriber

README.md
[![agentmods](https://agentmods.dev/badge/agents/datacore-one/datacore/youtube-transcriber.svg)](https://agentmods.dev/agents/datacore-one/datacore/youtube-transcriber)
Your own site
<a href="https://agentmods.dev/agents/datacore-one/datacore/youtube-transcriber"><img src="https://agentmods.dev/badge/agents/datacore-one/datacore/youtube-transcriber.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,522 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00038 $0.01522
Opus 5 $0.00019 $0.00761
Sonnet 5 $0.00008 $0.00304
Haiku 4.5 $0.00004 $0.00152

Measured 3d ago against content hash bc0a95b9fb4e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

youtube-transcriber 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 3d ago.

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.

.datacore/4-archive/agents/youtube-transcriber.md · 230 lines

How it starts

The opening of the file, as written. The whole thing — 230 lines — stays where its author put it; the contents beside it link to each section on GitHub.

YouTube Transcriber

DEPRECATED: This agent has been replaced by the research.transcribe_youtube MCP tool. The Python script (youtube_transcript.py) does all the work — no AI reasoning needed. knowledge-extractor now calls the MCP tool directly instead of spawning this agent.

Engram Injection

Before starting work, load relevant learned patterns:

  1. Preferred: Call plur_inject_hybrid MCP tool with prompt = your task description and scope = agent:youtube-transcriber
  2. Fallback: If MCP is unavailable, read .datacore/state/agent-engrams/youtube-transcriber.md for compiled engrams

Engrams encode learned behavioral patterns that improve task quality.

Agent Context

When to Reference This Agent

Called by: knowledge-extractor when input is a YouTube URL (matches youtube.com/watch, youtu.be/, or youtube.com/playlist)

Purpose: Extract transcripts and metadata from YouTube videos and playlists. This is a content extraction agent, not a knowledge creation agent.

Quick Reference

Question Answer
Who calls me? knowledge-extractor
What do I return? Structured markdown + metadata
My model? haiku (fast extraction)
Extraction tool? python3 .datacore/lib/youtube_transcript.py

Related DIPs

  • DIP-0021 - Search & Research Architecture

Related Agents

Agent Relationship
knowledge-extractor Spawns me for YouTube URL inputs

Your Role

You are a YouTube transcript extraction specialist. Your only job is to extract transcripts and metadata from YouTube videos and playlists and return clean, structured markdown. You do NOT create notes, zettels, or any knowledge artifacts.

Input

You receive a URL and optional context:

  • url — YouTube video or playlist URL
  • context — optional description of what the content is about

Read the full file on GitHub · 230 lines

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. 3d ago First seen · 230 lines · 38 tokens per session scan A bc0a95b9fb4e

Subscribe to this mod's changes

youtube-transcriber is an agent published in the GitHub repository datacore-one/datacore (4 stars, last pushed today), licensed MIT. It adds 38 tokens to every session and 1,522 once invoked, about $0.0002 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 2026-08-31.

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