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.
npx skills add m4yk3ldev/notebooklm-mcp --skill notebooklmgit clone --depth 1 https://github.com/m4yk3ldev/notebooklm-mcpWrote 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.
[](https://agentmods.dev/skills/m4yk3ldev/notebooklm-mcp/notebooklm)<a href="https://agentmods.dev/skills/m4yk3ldev/notebooklm-mcp/notebooklm"><img src="https://agentmods.dev/badge/skills/m4yk3ldev/notebooklm-mcp/notebooklm/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/m4yk3ldev/notebooklm-mcp/notebooklm"><img src="https://agentmods.dev/badge/skills/m4yk3ldev/notebooklm-mcp/notebooklm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00121 | $0.01805 |
| Opus 5.5 | $0.00048 | $0.00722 |
| Sonnet 5.5 | $0.00024 | $0.00361 |
| Haiku 4.5 | $0.00012 | $0.00180 |
Grade A, and why
notebooklm 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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
NotebookLM via MCP
This skill uses the @m4ykeldev/notebooklm-mcp server, which exposes NotebookLM as 27 MCP tools. NotebookLM has no public API; the server talks to the same internal RPC endpoint the web app uses, authenticated with the user's own Google session cookies.
Setup
Check first: if tools such as notebook_list are already available, skip this section.
-
Authenticate once (opens Chrome, waits for the Google login, stores cookies in
~/.notebooklm-mcp/auth.json):npx -y @m4ykeldev/notebooklm-mcp authHeadless / CI: set
NOTEBOOKLM_COOKIESinstead. Fallbacks:auth --manual(paste cookies) orauth --file tokens.json. -
Register the server with the client.
Claude Code:
claude mcp add --transport stdio notebooklm -- npx -y @m4ykeldev/notebooklm-mcp serveAny JSON-configured client (Cursor, VS Code, Claude Desktop, ...):
{ "mcpServers": { "notebooklm": { "command": "npx", "args": ["-y", "@m4ykeldev/notebooklm-mcp", "serve"] } } }Long answers on big notebooks: append
"--query-timeout", "180000"toargs.
The authentication step needs the user at a browser. Ask them to run it; do not try to log in on their behalf.
Core workflow
- Find or create the notebook.
notebook_listreturns IDs, titles and source counts. Match by title before creating a duplicate.notebook_createreturns the new ID. - Add sources.
notebook_add_url— web pages and YouTube links.notebook_add_text— passcontentinline, orfile_pathfor a local file.file_pathmust sit under the server's working directory or the OS temp dir; for anything else, read the file and passcontent.notebook_add_drive— needs the Drivefile_id, atitleand the MIMEdoc_type(e.g.application/vnd.google-apps.document).- Sources take a moment to process. Check with
notebook_getbefore querying a source you just added.
- Ask questions.
notebook_queryanswers only from the notebook's sources, using all of them by default. Restrict withsource_idswhen the user cares about specific documents. For follow-ups, pass back the returnedconversation_idso NotebookLM keeps context. - Produce output with the Studio tools (below), or summarise with
notebook_describe.
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.
- today First seen · 99 lines · 121 tokens per session scan A 0e3927afc653
notebooklm is a skill published in the GitHub repository m4yk3ldev/notebooklm-mcp (20 stars, last pushed today), licensed MIT. It adds 121 tokens to every session and 1,805 once invoked, about $0.0005 per session on Opus 5.5. 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 2026-10-19.
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