Complete an agentic signup with a Stripe Shared Payment Token. Creates the VoiceFlip account, stores PAYG billing identity, and returns the API key once.
| Name | Required | Description | Default |
|---|---|---|---|
| spt | Yes | ||
| intent_token | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It discloses that the tool creates the account, stores billing identity, and returns the API key once, which is useful behavioral context. However, it omits details about idempotency, error handling, or prerequisite validation.
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, front-loaded sentence that conveys purpose, effects, and return value without unnecessary words. It earns its place entirely.
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?
The description covers the main outcomes and the unique return behavior, but lacks mentions of prerequisites (e.g., requiring a prior vf_signup call), failure conditions, and the full response shape. For a completion tool with no output schema, it is adequate but not comprehensive.
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 coverage is 0% and the description only implicitly explains 'spt' as the 'Stripe Shared Payment Token'. It does not explain the 'intent_token' parameter at all, leaving both parameters under-specified for an agent.
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's function with a specific verb ('Complete') and resource ('agentic signup'), and lists concrete side effects (creates account, stores billing, returns API key once). This distinguishes it from sibling tools like vf_signup, which likely handles the initial signup.
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 word 'Complete' implies this is the final step after an initial signup, and the sibling vf_signup likely precedes it. However, the description does not explicitly state when to use this tool versus alternatives, nor does it name exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Each tool serves a clearly distinct purpose: vf_signup starts the signup process, vf_complete_signup finishes it, vf_get_pricing provides pricing information, and vf_health checks server status. There is no overlap in their functionality, so an agent can easily choose the right tool.
All tools share the 'vf_' prefix, and most follow a verb_noun pattern (complete_signup, get_pricing). However, 'health' and 'signup' are one-word names that break the pattern slightly, though they remain clear and consistent in style.
With only 4 tools, the server is tightly scoped to its purpose of managing signup and pricing. This is an appropriate size—not too thin, not overloaded.
The tool set covers the core signup lifecycle (initiate, complete) and essential informational endpoints (pricing, health). A minor gap is the lack of a way to retrieve account status or cancel a signup, but for the apparent scope this is sufficient and workable.