nblm

A skill for asking questions directly against Google NotebookLM notebooks from Claude Code. NotebookLM is Google’s tool for answering questions from documents, with citations to those sources.

In plain words
What is it for?
Use it to log in, check status, list or manage local and remote notebooks, create or rename notebooks, and run source-grounded queries.
Why use it?
It keeps answers tied to notebook content and includes commands for authentication, notebook management, and multiple Google accounts.

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/magicseek/nblm/nblm
Any agent
npx skills add magicseek/nblm --skill nblm
Clone the repo
git clone --depth 1 https://github.com/magicseek/nblm

Made for: Claude Code, Codex.

Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,820 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 $0.00049 $0.05820
Opus 5 $0.00024 $0.02910
Sonnet 5 $0.00010 $0.01164
Haiku 4.5 $0.00005 $0.00582

Measured 2d ago against content hash 1afee54177d3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

nblm 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 2d 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.

SKILL.md · 622 lines

How it starts

The opening of the file, as written. The whole thing — 622 lines — stays where its author put it; the contents beside it link to each section on GitHub.

NotebookLM Quick Commands

Query Google NotebookLM for source-grounded, citation-backed answers.

Environment

All dependencies and authentication are handled automatically by run.py:

  • First run creates .venv and installs Python/Node.js dependencies
  • If Google auth is missing or expired, a browser window opens automatically
  • No manual pre-flight steps required

Usage

/nblm <command> [args]

Commands

Notebook Management

Command Description
login Authenticate with Google
status Show auth and library status
accounts List all Google accounts
accounts add Add a new Google account
accounts switch <id> Switch active account (by index or email)
accounts remove <id> Remove a Google account
accounts use <id> Set agent-specific active account (OpenClaw isolation)
accounts clear Clear agent-specific account override
local List notebooks in local library
remote List all notebooks from NotebookLM API
create <name> Create a new notebook
delete [--id ID] Delete a notebook
rename <name> [--id ID] Rename a notebook
summary [--id ID] Get AI-generated summary
describe [--id ID] Get description and suggested topics
add <url-or-id> Add notebook to local library (auto-detects URL vs notebook ID)
activate <id> Set active notebook

Source Management

Command Description
sources [--id ID] List sources in notebook
upload <file> Upload a single file
upload <folder> Sync a folder of files to NotebookLM
upload-zlib <url> Download from Z-Library and upload
upload-url <url> Add URL as source
upload-youtube <url> Add YouTube video as source
upload-text <title> [--content TEXT] Add text as source
source-text <source-id> Get full indexed text
source-guide <source-id> Get AI summary and keywords
source-rename <source-id> <name> Rename a source
source-refresh <source-id> Re-fetch URL content
source-delete <source-id> Delete a source

Read the full file on GitHub · 622 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. 2d ago First seen · 622 lines · 49 tokens per session scan A 1afee54177d3

Subscribe to this mod's changes

nblm is a skill published in the GitHub repository magicseek/nblm (33 stars, last pushed 6mo ago), licensed MIT. It adds 49 tokens to every session and 5,820 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 2026-08-30.

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