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

With no annotations, the description carries the full behavioral burden and does add two real facts: enabling link/public consumes share quota, and the call requires a user session (so API-key/service contexts cannot use it). It does not say whether fields are partial-update semantics, what happens to existing links when access_level is lowered, or whether the change takes effect immediately.

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?

Two short sentences, front-loaded with the mutated fields, then the quota side effect and auth constraint. Very little waste, though the '(private|link|public)' repetition duplicates the schema's enum description.

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?

For a 5-parameter mutation tool with no annotations and no output schema, the description covers the main levers, a side effect, and an auth constraint, but leaves out partial-update behavior and the effect on already-issued links. Adequate but with clear 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 80%, so the schema already documents workspace_id (notebook UUID), the access_level enum, and the '0 = unlimited'/'null clears to unlimited' semantics. The description restates the access_level values and names the daily-limit concept, adding little beyond the structured fields; parameter count of 5 with high coverage puts this at baseline.

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?

The description uses a specific verb (Update) plus the settings it mutates (access_level, allow_download, daily question limits), so the agent can tell it is a settings mutation rather than a link creation or member invite. It does not explicitly contrast itself with the sibling workspace.share_get_settings, so differentiation relies on the tool name.

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?

No explicit when-to-use or when-not-to-use guidance is given; the agent must infer that this is the mutation counterpart to workspace.share_get_settings. The clause 'Enabling link/public uses share quota' does imply a cost-based condition worth checking account.share_quota first, which is useful but implicit.

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