set_breakpoint_by_url

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

No annotations provided. Description does not disclose any behavioral traits like whether breakpoints persist across page loads, if the URL regex is applied to loaded scripts only, or error conditions. Minimal behavioral info beyond basic operation.

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?

Single sentence, concise and front-loaded with action. Could be slightly improved with structure but efficient.

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 4-param tool with no output schema, description is inadequate. Leaves gaps about return values, behavior when breakpoint already exists, persistence, and interactions with sibling debugger tools. Lacks completeness.

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 only 25% (only line_number has a description). Description does not elaborate on other params: condition, url_regex, column_number. Does not explain format of url_regex or purpose of condition parameter.

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?

Description clearly states verb 'Set a breakpoint', resource 'by URL regex', and details about zero-based line/column. Distinguishes from sibling tools like 'set_breakpoint_by_script_id' or 'set_breakpoint_on_text' because it specifically targets URL regex.

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 guidance on when to use this tool versus alternatives (e.g., when to use URL regex vs script ID breakpoint). Does not mention prerequisites or context.

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