Pay-per-call government data over x402: provenance chains, Ed25519 attestations, no API keys.
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Scored across 29 tools
Each tool targets a distinct dataset or operation with clear domain-specific names, making selection straightforward. The only overlap is between query_product and the dedicated product tools, but the description clarifies that query_product is for datasets without their own tool, reducing confusion.
Tool names follow a consistent snake_case convention, mostly using a domain_topic_action or resource_action pattern. A few names are noun phrases without explicit verbs (e.g., cpi_us_monthly, state_gdp_series), but the overall pattern remains predictable and readable.
29 tools is heavy for a typical server, and the generic search_catalog and query_product make many dedicated tools redundant. However, each tool corresponds to a distinct dataset, so the count is borderline rather than excessive.
The server covers a broad range of datasets and includes search_catalog and query_product to discover and access any catalog product, including those without dedicated tools. Only minor gaps like listing all products or bulk operations exist, which agents can work around.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. Prefer _meta[\"x402/payment\"]; omit for a free quote."uk_company_lookup1 field changedInput schema / properties / payment / descriptionPrevious value: -"Encoded x402 X-PAYMENT header value. Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. Prefer _meta[\"x402/payment\"]; omit for a free quote."uk_new_companies_daily1 field changedInput schema / properties / payment / descriptionPrevious value: -"Encoded x402 X-PAYMENT header value. Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. Prefer _meta[\"x402/payment\"]; omit for a free quote."us_debt_to_penny1 field changedInput schema / properties / payment / descriptionPrevious value: -"Encoded x402 X-PAYMENT header value. Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. Prefer _meta[\"x402/payment\"]; omit for a free quote."usgs_quake_lookup1 field changedInput schema / properties / payment / descriptionPrevious value: -"Encoded x402 X-PAYMENT header value. Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. Prefer _meta[\"x402/payment\"]; omit for a free quote."wb_country_lookup1 field changedInput schema / properties / payment / descriptionPrevious value: -"Encoded x402 X-PAYMENT header value. Omit to receive the payment requirements (free quote)."New value: +"Legacy: base64 x402 payment header value. 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