ADHDEvaluations
Server Details
9,846 ADHD evaluation providers from the CMS NPI Registry.
- Status
- Healthy
- Uptime
- 100.0% over 24 days
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 9 tools
The set splits cleanly into two domains — provider listings (get_listing, search_listings, list_categories, list_places, list_sources) and affiliate products (get_product, list_products, list_product_categories) — and the descriptions reinforce that split. The only genuinely confusable pair is list_categories vs list_product_categories, which a careful reader can resolve but which invites misselection.
Every tool follows a strict verb_noun snake_case pattern using a small, predictable verb set (get_, list_, search_). The listing/product noun prefixes are applied consistently across the whole surface.
Nine tools is well within the well-scoped range and each one maps to a distinct resource or query axis (single item, collection, filter, search, metadata). Nothing appears redundant or padded.
The surface covers lookup by slug, listing, filtering, text search, and provenance/stats, which is a coherent read-only lifecycle for a data directory. Minor gaps remain: there is no way to fetch a single category, place, or source by id, and no pagination or result-limit controls are exposed for the list/search tools.
Available Tools
9 toolsget_listingARead-onlyIdempotentInspect
Get one published ADHD evaluation provider by its slug.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | The listing slug. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnly, idempotent, non-destructive, and closed-world, so the safety profile is covered without the description. The word 'published' adds genuine context (unpublished listings presumably won't resolve), but nothing is said about not-found behavior or the shape of the returned record.
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?
One tight sentence with the resource and the lookup key front-loaded; there is no filler and nothing to trim.
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 single-key read tool with full annotation coverage and a fully documented schema, this is nearly sufficient. The only gaps are the not-found outcome and a hint at what the response contains, which is minor for this tool shape.
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% and the single parameter carries its own pattern/length constraints, so the schema does the heavy lifting. The description only restates that lookup is by slug and adds no format or edge-case meaning beyond it.
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?
States a specific verb (get), resource (listing), scope (one, published, ADHD evaluation provider), and the lookup key (slug). This clearly distinguishes a single-record fetch from the sibling search_listings, though the description never names that sibling explicitly.
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 phrase 'by its slug' implies the precondition for use (you must already have a slug), but there is no explicit when-to-use statement or routing to search_listings for the case where only a name/query is available. Usage is inferable rather than stated.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
get_productARead-onlyIdempotentInspect
Get one affiliate product by its slug, with its page and outbound link.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | The product slug. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered. The description adds genuinely new information by stating the response includes the product's page and outbound link, which matters because there is no output schema. It omits not-found behavior, which keeps it below 5.
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?
A single front-loaded sentence with no filler; the lookup key and the returned content are both stated in one pass.
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 one-parameter read tool with full annotation coverage and complete schema documentation, this is nearly sufficient. The only real gap is what happens when the slug does not resolve, which an agent would want to know.
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% and the single slug parameter carries its own description plus a pattern, so the schema does the heavy lifting. The description's 'by its slug' restates rather than extends that, matching the baseline 3.
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?
States a specific verb and resource ('Get one affiliate product') and scopes it to a single-item lookup, which implicitly contrasts with the plural sibling list_products. It does not explicitly name the alternative tool, so it stops short of a 5.
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?
'by its slug' implies the precondition that the caller already has a slug, which is useful context for choosing this over list_products or search_listings. However, no explicit when-to-use/when-not statement or named alternative appears.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
get_statsARead-onlyIdempotentInspect
Get the number of published ADHD evaluation providers, places and categories, and when the data last changed.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare this a read-only, idempotent, non-destructive, closed-world operation, so the safety profile is covered. The description adds genuinely useful content: it enumerates what the statistics contain (provider/place/category counts and the last-change timestamp), which is the only disclosure of return values since there is no output schema.
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?
A single front-loaded sentence that names the operation and every data point returned, with no filler or repetition of the tool name.
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?
With no output schema, the description must carry return-value information, and it does list the three counted entity types plus the data-freshness field. It stops short of describing the exact response shape or key names, but for a simple zero-parameter stats endpoint this is nearly 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 tool takes zero parameters, so there is nothing for the description to disambiguate; the baseline for a no-argument tool is 4. The description correctly implies no inputs by describing an unfiltered global summary.
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?
States a specific verb ('Get the number of') and names the exact resources being counted: published ADHD evaluation providers, places, and categories, plus a data-recency timestamp. This cleanly separates it from the sibling list_* and search_* tools, which return records rather than aggregate counts.
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?
There is no explicit when-to-use or when-not-to-use statement, and no sibling is named as an alternative. However, the description's framing as a counts-and-recency summary makes the intended usage (a lightweight overview call versus the heavier listing tools) reasonably inferable.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_categoriesARead-onlyIdempotentInspect
List categories with their ADHD evaluation provider counts.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is fully covered. The description adds that counts are scoped to ADHD evaluation providers, which is useful domain context but not a deep behavioral disclosure (no pagination, ordering, or freshness info).
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?
A single front-loaded sentence with no filler. Every word earns its place and it is immediately scannable.
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 no-param read-only list tool with no output schema, but it omits whether counts are always present, how categories are ordered, and whether the list is exhaustive or paginated. Minor but real gaps for an agent that needs to reason about the response.
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?
Zero parameters, so there is nothing to document; baseline is 4. The description correctly does not invent parameters.
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?
States a specific verb (List) and resource (categories) plus the exact content returned (ADHD evaluation provider counts). Distinguishable from siblings like get_stats and list_places, which cover different resources.
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?
No explicit when-to-use or when-not-to guidance. The purpose is clear enough that an agent would infer it's for category overviews, but no alternatives are named or exclusions stated.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_placesARead-onlyIdempotentInspect
List countries, regions and cities that have ADHD evaluation providers.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is covered externally. The description adds one genuine behavioral fact beyond the annotations: the result list is pre-filtered to places with providers. It does not disclose return shape or ordering.
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?
A single, front-loaded sentence with no filler. The subject of the list is stated before the qualifying constraint, so an agent can extract the purpose immediately.
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 parameterless, read-only enumeration tool with no output schema, the description is close to sufficient: it names the entities returned and their scoping rule. It would be stronger if it clarified whether results are flat or hierarchical, but nothing required to invoke the tool correctly is missing.
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 tool takes zero parameters, so there is nothing for the description to document and the baseline of 4 applies. The description correctly implies no filtering arguments are needed to obtain the full place list.
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 states a specific verb ('List') and a specific resource ('countries, regions and cities'), with the added scope constraint that only places with ADHD evaluation providers are returned. That distinguishes it from sibling list tools like list_categories and list_sources, though it never names those siblings explicitly.
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?
There is no explicit when-to-use or when-not-to-use guidance. The clause 'that have ADHD evaluation providers' hints at the result-set scope, but the description never says how this differs from search_listings or when an agent should call one over the other.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_product_categoriesARead-onlyIdempotentInspect
List the product categories with their product counts.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, non-destructive and closed-world, so the safety profile is covered. The description's contribution beyond that is that results include product counts — useful, but no ordering, pagination, or empty-result behavior is disclosed.
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?
A single short sentence with zero filler, and the key payload detail (counts) is front-loaded where the agent will read it.
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 zero-parameter, read-only listing tool with full annotation coverage, the description plus schema is enough to invoke it correctly. Minor gap: with no output schema, the exact return shape (field names, ordering) is only alluded to.
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 tool takes no parameters, so there is no parameter semantics to explain; the baseline for a zero-param tool applies.
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?
States a specific verb and resource ('List the product categories') plus a distinguishing payload detail (product counts). However, it does not differentiate itself from the sibling 'list_categories', leaving an agent to guess which category lister to call.
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?
There is no explicit when-to-use, when-not-to-use, or alternative-tool guidance. The only implied cue is that this variant returns counts, which the agent must infer rather than being told.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_productsARead-onlyIdempotentInspect
List the affiliate products, with the price each had on the day it was checked. Filter by product category.
| Name | Required | Description | Default |
|---|---|---|---|
| category | No | A product category slug. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnly, idempotent, non-destructive, closed-world behavior, so the safety profile is fully covered. The description adds one genuinely non-obvious data semantic — the price is a point-in-time snapshot from the day the product was checked, not a current price — but says nothing about result volume, ordering, or pagination.
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?
Two short sentences, zero filler, with the core action and the most decision-relevant detail (price snapshot semantics) front-loaded ahead of the filter note.
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 one-optional-param, read-only list tool with full schema coverage and annotations, the description is largely sufficient and even hints at the returned fields (product + price). The one gap is the absence of any output schema combined with no note on pagination or result limits.
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% and the single optional parameter carries its own type, slug pattern, and length bounds. The description only restates that the parameter filters by category, adding no syntax or behavior beyond the schema, so the baseline 3 applies.
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?
States a specific verb and resource ("List the affiliate products") plus the returned payload (price as of the check date) and the filter dimension. It implicitly separates from get_product (single record) and list_categories, but never names a sibling, so the differentiation is left to inference.
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?
"Filter by product category" plus the optional parameter implies narrowing usage, but there is no explicit when-to-use guidance and no mention of when to prefer get_product, list_product_categories, or list_categories instead. Usage is implied rather than stated.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_sourcesARead-onlyIdempotentInspect
List where the ADHD evaluation provider data comes from, with the license and refresh of each source.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint, idempotentHint, non-destructive and closed-world, so safety is covered. The description adds genuinely new behavioral content beyond those flags by specifying that each source entry carries its license and refresh cadence, which tells the agent what the returned payload conveys.
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?
One sentence, front-loaded with the action and resource, followed immediately by the payload contents. No filler and nothing that needs to be read twice.
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?
With no parameters, no output schema, and rich annotations, the description covers the essentials by conveying that the result is a per-source provenance list including license and refresh. It could note the absence of filtering/arguments or the expected shape (e.g., a fixed small set), but the gap is minor.
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 tool takes zero parameters, so per the rubric the baseline is 4. The description correctly implies a no-argument, full-list call with no filtering options, matching the empty 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?
States a specific verb (List) and a resource (data sources), then clarifies what "sources" means here: the provenance of ADHD evaluation provider data. That clarification usefully separates it from dataset-listing siblings like list_categories and list_places, though it never names an alternative explicitly.
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?
Usage is only implied: an agent infers this is for inspecting/licensing provenance of the dataset rather than querying listings. There is no stated when-to-use, when-not-to-use, or comparison with siblings such as get_stats or list_categories.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
search_listingsARead-onlyIdempotentInspect
Search published ADHD evaluation providers by text, place and category.
| Name | Required | Description | Default |
|---|---|---|---|
| q | No | Search text, with at least one letter or digit. Matches name, categories, attributes, description and place. Typos fall back to close matches. | |
| city | No | City slug, from /places. | |
| sort | No | `relevance` needs `q` and is the default with it. `name` is the default without `q`. `recent` is newest first. | |
| limit | No | Items per page. | |
| cursor | No | `page.nextCursor` from the previous response. Opaque. Send the same filters and `limit`. | |
| region | No | Region slug, from /places. | |
| country | No | ISO 3166-1 alpha-2 country code, any case. A country the directory does not cover, as listed in /places, gives 400. | |
| category | No | Category slug, from /categories. A parent slug also matches its children. |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnly, idempotent, non-destructive, and closed-world, so the safety profile is fully covered. The description adds that only *published* providers are returned, which is a useful scoping detail, but says nothing about pagination behavior (cursor), empty results, or the typo-fallback behavior beyond what the schema notes. With annotations carrying most behavioral load, a 3 is appropriate.
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?
A single tight sentence that front-loads the verb, the scoped resource ('published ADHD evaluation providers'), and the filter axes. No filler, nothing that could be trimmed without losing meaning.
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 read-only search with no output schema, the definition is adequate but thin: it never describes the response shape (a listing collection with a page/cursor object) or how to page through results, and the sibling relationship is left implicit. The rich schema compensates on parameters, but an agent still lacks return-value orientation.
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%, including typos-fallback behavior, sort defaults, pagination contract, and the parent-slug matching rule for category. The description adds no parameter detail beyond what the schema already states. Baseline 3 is correct when 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?
Clear verb (search) plus resource (published ADHD evaluation providers) and the main filters (text, place, category). It doesn't distinguish itself from siblings, but siblings are all retrieval-by-id or list-* tools, so the search scope is fairly evident. Not quite a 5 because it doesn't route against any alternative.
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?
Usage is implied by 'search' and the filter parameters, but there is no explicit when-to-use guidance or mention of alternatives such as get_listing for a known provider. Acceptable minimum but leaves the agent to infer the workflow.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
3 tool updates
- Added
get_product - Added
list_product_categories - Added
list_products
6 tool updates
- First observed
get_listing - First observed
get_stats - First observed
list_categories - First observed
list_places - First observed
list_sources - First observed
search_listings
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