List all medical clearinghouse / payer-API vendors in the directory with their access model, API style, supported X12 functions, and whether pricing is public.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden. It discloses the content of the response (vendor attributes) and implies a read-only listing, but it does not explicitly state that it is safe/read-only, nor mention any pagination, sorting, or authentication requirements. This is acceptable but not comprehensive.
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, well-structured sentence that front-loads the action and resource, then concisely enumerates the returned fields. Every word adds value, with no redundancy or fluff.
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 the simplicity (0 params, no output schema, no annotations), the description adequately covers what the tool does and what data it returns. It could be more explicit about return format (e.g., 'returns a list'), but for a list-all tool of this complexity, it is mostly complete.
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?
The schema has zero parameters, which is confirmed by the description's 'List all' scope. The description clarifies that no filtering is needed, aligning with the empty schema. Baseline for 0 params is 4, and the description adds meaning by indicating the full set is returned without filters.
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 action ('List all medical clearinghouse / payer-API vendors'), the scope ('in the directory'), and the returned fields (access model, API style, supported X12 functions, pricing public). This distinguishes it from siblings like get_clearinghouse (specific vendor) and recommend_clearinghouse (recommendation-based).
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 implies the tool is for getting a full directory listing but does not explicitly state when to use it versus alternatives. No alternative tools are mentioned or exclusions given. Usage is inferred from the word 'all' rather than stated as guidance.
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 distinct purpose: get_clearinghouse retrieves a single vendor's details, list_clearinghouses returns all vendors, recommend_clearinghouse provides ranked recommendations, and vendors_by_function filters vendors by X12 function. Even though list and vendors_by_function both return sets of vendors, their query parameters and outputs are clearly differentiated.
Three tools follow the clear verb_noun pattern (get_clearinghouse, list_clearinghouses, recommend_clearinghouse), while vendors_by_function deviates into a noun_preposition_noun format. Despite this minor inconsistency, all names are descriptive and follow a predictable style.
With only 4 tools, the server is tightly scoped for a directory and recommendation service. Each tool is essential and there is no dead weight or redundant functionality.
The toolset covers the core workflows for a directory: listing all entries, getting detailed information about one, filtering by function, and obtaining a recommendation. There are no obvious gaps for a read-only directory with decision-support capabilities.