browser_batch_actions

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

No annotations are supplied, so the description carries the full behavioral burden. It does disclose the key trait that actions run sequentially in a single turn without intermediate LLM pauses, which is genuinely useful context beyond the schema. However, it says nothing about failure semantics (does a failing action abort the remaining queue?), whether results are reported per action, or whether implicit waits/timeouts apply — significant omissions for a mutating compound tool.

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 sentences, front-loaded with the what and immediately followed by the why. The second sentence is somewhat promotional ('Drastically speeds up') but justifies batch usage, so it earns most of its place; only minor trimming is warranted.

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?

The tool is moderately complex — a compound executor standing in for seven sibling actions — with two parameters, no annotations, and no output schema. Given that, the definition is adequate on the happy path but incomplete on error handling and return shape, which an agent needs in order to decide whether to batch or fall back to individual calls.

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 description coverage is 100%, with the actions array already documenting every supported type and its fields, so the baseline is 3. The description adds no meaning beyond the schema — it never explains tabId (e.g., whether it defaults to the active tab) or the ordering guarantee for the queue beyond the word 'sequential', which the schema also states.

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 opens with a specific verb and resource ('Executes multiple sequential browser actions') and enumerates the supported action types (click, type, wait, scroll, select_option, set_checked, navigate). This clearly distinguishes it from the single-action siblings like browser_click, browser_type, and browser_scroll without requiring the reader to open the schema.

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 gives clear triggering context — 'multi-step tasks, form filling, and searching' — plus the motivating condition (avoiding round-trip LLM pauses). What is missing is an explicit statement of when to prefer the individual sibling tools over batching, or any exclusion such as not batching actions that depend on page state between steps.

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