ClawDaddy MCP Server

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

With no annotations, description carries full burden and effectively discloses: (1) Stripe integration, (2) async checkout URL pattern (not immediate purchase), (3) management token delivery method (success page + email), and (4) critical persistency requirement. Missing: payment timeout or reservation details.

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?

Four sentences, zero waste. Front-loaded with mechanism (Stripe), followed by return value (checkout URL), post-condition (token delivery), and critical warning (save token). Urgency appropriately emphasized at end.

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?

Adequate for a 1-param initiate-payment tool without output schema. Covers essential operational warning (save management token) and return value (checkout URL). Could mention validation behavior (e.g., domain availability check) or payment session expiry.

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 has 100% description coverage ('The domain to purchase'), so baseline 3 is appropriate. Description implies the domain parameter through purchase context but doesn't add format syntax beyond schema.

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?

Clearly states specific verb (purchase) + resource (domain) + mechanism (via Stripe). Distinguishes from lookup_domain and get_domain_info by emphasizing the Stripe payment integration.

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?

Implies usage by describing the checkout flow (returns URL → user pays → token received), but lacks explicit guidance on prerequisites (e.g., whether to use get_quote first) or when NOT to use vs domain management siblings.

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