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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, covering safety. The description adds that it's an 'experimental edge' with candidate routing improvements, providing some behavioral context beyond annotations, but doesn't elaborate on potential differences in output or error handling. No contradiction.

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?

The description is well-structured and front-loaded with the beta status and identity. It's slightly verbose, with repetition like 'identical universal router' and 'currently matches ask_pipeworx exactly,' but each sentence carries useful information. The 'Falls back to nothing' clause is a bit redundant but clarifies it's fully functional.

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?

Given it's a router with a single natural-language parameter and no output schema, the description sufficiently explains usage and expected behavior via the 'same response shape' reference. It doesn't detail what responses look like, but since it references ask_pipeworx and the schema is simple, this is adequate for an agent familiar with the sibling.

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%, so all parameters (including aliases) are already documented. The description mentions 'same arguments' but adds no additional meaning beyond what the schema provides. Baseline 3 is appropriate since the schema does the heavy lifting.

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 clearly states the tool is a beta version of ask_pipeworx, an identical universal router with the same 5,798 tools, arguments, and response shape. It distinguishes itself from the stable ask_pipeworx by noting candidate routing improvements, making its purpose explicit and differentiating it from siblings.

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 description says to use it exactly like ask_pipeworx when wanting the newest routing, and notes results are compared against the stable router. This gives clear context on when to choose it, though it doesn't explicitly state when not to use it (e.g., if stability is required), which is implied but not explicit.

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