RunOnProof

run_uk_company_check

Read-onlyIdempotent

Paid x402 UK tool for gb.solution.company_check.v1 (AVAILABLE). Claims are limited to the named official sources.

Input Schema

TableJSON Schema

Name	Required	Description
`postal_code`	No
`company_name`	No
`company_number`	No	Companies House company number, including any two-letter prefix when applicable.
`idempotency_key`	Yes	Caller-generated key. Send the identical value in the Idempotency-Key header.

Output Schema

TableJSON Schema

Name	Required	Description
`policy`	Yes
`result`	Yes	Offer-specific facts and machine-action inputs; interpret with decision, coverage and limitations.
`payment`	Yes
`coverage`	Yes	Country, population and explicit coverage limitations.
`decision`	Yes
`evidence`	Yes	Source-scoped evidence references; absence is never a clean finding.
`replayed`	No
`conditions`	Yes
`request_id`	Yes
`delivery_id`	No
`limitations`	Yes
`valid_as_of`	Yes
`valid_until`	Yes
`execution_id`	No
`reason_codes`	Yes
`authorization`	Yes
`source_health`	Yes
`machine_action`	Yes
`schema_version`	Yes
`economic_activity`	Yes
`product_or_solution`	Yes
`required_information`	Yes

TDQS

C2.4/5.0

Behavior3/5

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

Annotations already state readOnly, idempotent, and non-destructive. The description adds that the tool is paid and that claims are limited to named official sources, providing useful cost and scope context. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence with no fluff, but it is cryptic and under-specified. It is concise in size but sacrifices clarity for brevity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Output schema may cover return values, but the description omits the core purpose of the check, the named official sources, and expected input semantics. For a paid tool with many siblings, more contextual detail is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema covers company_number and idempotency_key, but postal_code and company_name lack descriptions. The tool description does not explain these parameters or the anyOf requirement, leaving ambiguity.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states 'Paid x402 UK tool for gb.solution.company_check.v1 (AVAILABLE)' but does not define what the check does; it essentially restates the tool name with a version string. It also does not distinguish this from sibling tools like verify_uk_company_status.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit when-to-use guidance or alternatives are provided. The mention of 'Paid' and '(AVAILABLE)' implies cost and availability, but not selection criteria or exclusions.

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

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TDQS

C2.4/5.0

Disambiguation2/5

Multiple tools appear to address the same action with only country or payment-model differences, such as company_check/run_uk_company_check, approve_supplier/approve_uk_supplier, authorize_payment/run_uk_payment_authorization, and screen_restricted_party/screen_restricted_business_party. Even with descriptions, an agent will struggle to pick the intended tool reliably.

Naming Consistency2/5

Naming mixes bare global verbs (company_check, approve_supplier, authorize_payment) with UK-prefixed variants (run_uk_company_check, approve_uk_supplier, authorize_uk_business_payment), plus free-form names like counterfactual, preflight, quote, and capabilities. There is no single consistent verb_noun or country-modifier convention across the set.

Tool Count2/5

46 tools is far beyond the typical well-scoped MCP surface, and the set carries heavy duplication through global/UK/free/paid variants. While the domain may justify multiple country-specific operations, the tool count itself will overwhelm agents and make selection harder.

Completeness4/5

The server covers the main compliance lifecycle well: discovery (capabilities, preflight, quote, resolve_agent_intent), verification, supplier approval, payment authorization, invoice matching, passport issuance/refresh, and verification receipts. Minor gaps exist around explicit cancellation/revocation or list/search operations, but core workflows have no major dead ends.

Resources

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