Salvar a conversa do chat

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already cover read-only and non-destructive, yet the description adds real value: one file per call with date/time, the exact output directory, quota-free operation, inclusion of exact source excerpts with citation markers, and a prompt-injection warning about treating source text as data. The path string is garbled ('/app/%LOCALAPPDATA%\mcp-google/...'), which mutes an otherwise strong disclosure.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, opening with the core action and payload, then the output location, then the cost/security caveats. No filler and each sentence carries distinct information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description takes on the return-value burden and does so by naming the file format, location, and per-call naming convention. The mangled path notation and the absence of any note on what happens when the notebook has no chat history leave small gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the single 'notebook' parameter already documents that an id, URL, or partial title is accepted. The description only implies the notebook scope without adding format or resolution details, so the baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource: reads the ENTIRE chat history of a notebook and saves it to a Markdown file. This clearly separates it from notebook_perguntar/notebook_resposta (which query the chat) and from notebook_exportar. The scope word 'INTEIRO' makes the retrieval breadth unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

It implicitly and effectively positions itself against the query tools by stating 'Não pergunta nada ao NotebookLM e não gasta o limite de uso', which tells an agent this is the zero-cost way to obtain the transcript. It still lacks an explicit 'use this instead of X when Y' statement and does not clarify its relation to notebook_exportar or notebook_notas.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.