Create a payment link in order to request a payment to your account. This payment link can be used to pay you. Payment can be made using a credit card, or any Solana token (automatically converted to USDC)

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

Annotations declare readOnlyHint=true, indicating no state change, but the description claims 'create' which implies a write operation—this is a contradiction. However, the description adds value by specifying payment methods (credit card/Solana tokens with auto-conversion to USDC), which isn't covered by annotations. It lacks details on link lifespan, security, or rate limits.

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 a single, repetitive sentence that restates the title verbatim without adding new information or structuring details. It wastes space by not front-loading key insights or expanding on usage, making it inefficient despite its brevity.

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 tool with 11 parameters, no output schema, and annotations that only cover read-only status, the description is inadequate. It fails to explain return values (e.g., link format), error conditions, or behavioral nuances like webhook triggers, leaving significant gaps for agent invocation.

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 parameters are fully documented in the schema. The description doesn't add any parameter-specific details beyond what's in the schema (e.g., it doesn't explain 'receivingPayment' formats or 'param' usage). Baseline 3 is appropriate as the schema carries the burden, but no extra semantic context is provided.

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?

Tautological: description restates name/title.

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 provides no guidance on when to use this tool versus alternatives like 'send_money' (for active payments) or 'fund_my_wallet' (for direct funding). It mentions payment methods (credit card/Solana) but doesn't specify use cases, prerequisites, or exclusions, leaving the agent to infer usage from the purpose alone.

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