flow_screenshot

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

No annotations exist, so the description carries the full burden. It does not disclose whether an active browser session/login is required (despite siblings like flow_browser_check_session and flow_browser_login existing), whether the page must be navigated first, or what the tool returns (a file path vs. image bytes). Only the debugging motivation is conveyed.

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?

One short sentence with the action front-loaded and no filler. It is efficient, though the brevity comes at the cost of the missing behavioral detail noted elsewhere.

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 browser-session-dependent tool with no annotations and no output schema, the description omits prerequisites (active session, current page state) and the return value. Given the surrounding browser/flow tooling, an agent cannot tell from this text what it needs set up beforehand.

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?

There is a single optional parameter at 100% schema description coverage, including its default (./screenshots/), so the schema already does the work. The description adds no further meaning such as file-name format or overwrite behavior, making the baseline 3 appropriate.

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 states a specific verb and resource ('Take a screenshot of the current browser page'), which is unambiguous and distinct from siblings like flow_browser_action or download_flow_video. It does not explicitly contrast itself with any sibling, which keeps it from a 5.

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?

The parenthetical '(useful for debugging)' hints at a use case but gives no explicit when-to-use/when-not guidance and names no alternatives. The agent must infer that this is for visual inspection of the browser state.

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