Free ES/MX/CO tools, plus paid mx_supplier_dossier x402 pointer ($0.03).
Scored across 7 tools
Each tool is scoped to a country plus a distinct data source (RUES, BOE, PVPC, SAT, RFC), so an agent can usually pick by jurisdiction. There is mild overlap: co_company_lookup already returns status fields that co_company_status exposes separately, and mx_rfc_validate cross-checks the 69-B list that mx_sat_69b_lookup and mx_supplier_dossier also cover.
Strong, predictable pattern: all lowercase snake_case with a country prefix followed by topic (co_company_*, es_*, mx_*). Minor deviation in that some suffixes are verbs (lookup, validate, search) and others are nouns (status, prices, dossier), but this stays readable and consistent enough.
Seven tools is well within a comfortable range and each maps to a concrete data source rather than padding. Slightly thin for a 'business data' server spanning three countries, but it is deliberately scoped.
Coverage is uneven across the three countries: Colombia gets company-registry lookups, Spain only gazette search and electricity prices (no company registry), and Mexico has RFC/69-B tools but no company-registry lookup. mx_supplier_dossier notably does not return data itself, leaving the paid dossier workflow as a dead end unless the client handles x402 payment.
Look up a Colombian legal entity / ESAL in RUES by NIT: razón social, cámara de comercio, estado de matrícula, CIIU activity codes, registration and renewal dates. Legal entities only; natural-person fields are never returned. Source: Confecámaras RUES via datos.gov.co (CC BY-SA 4.0); not an official RUES/DIAN service. Free: 20 calls per client per UTC day, shared by the Colombia tools (co_company_status, co_company_lookup). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://co.redtapeapi.com/v1/company/{nit} ($0.005 USDC per successful call over x402 on Base, no account or API key).
Inputs: nit (required).
Short RUES matrícula status for a Colombian NIT: estado (ACTIVA, CANCELADA...), last renewal, vigencia and whether it is active. Legal entities / ESAL only; natural-person data is never returned. Source: Confecámaras RUES via datos.gov.co (CC BY-SA 4.0); not an official RUES/DIAN service. Free: 20 calls per client per UTC day, shared by the Colombia tools (co_company_status, co_company_lookup). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://co.redtapeapi.com/v1/company/{nit}/status ($0.003 USDC per successful call over x402 on Base, no account or API key).
Inputs: nit (required).
Search the daily summary of Spain's Official State Gazette (BOE) by keywords and section: laws, royal decrees, orders, grants, tenders (section 5A), public-exam calls (2B). Returns titles, issuing body and official PDF/HTML links. No issue on Sundays. Source: BOE open data API; not an official AEBOE service. Free: 20 calls per client per UTC day, shared by the Spain tools (es_pvpc_prices, es_boe_search). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://es.redtapeapi.com/v1/es/boe/search ($0.002 USDC per successful call over x402 on Base, no account or API key).
Inputs: q, date, limit, sections.
Spain's regulated household electricity price (PVPC, peninsula) for today or tomorrow, hour by hour in EUR/kWh, with the cheapest hours and the cheapest 2h/3h windows. Use to schedule appliances or EV charging, or to answer 'when is electricity cheapest in Spain today/tomorrow'. Tomorrow is published around 20:15-20:30 Madrid time. Data: Preciluz (CC-BY-4.0) from REE/ESIOS. Free: 20 calls per client per UTC day, shared by the Spain tools (es_pvpc_prices, es_boe_search). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://es.redtapeapi.com/v1/es/electricity/pvpc ($0.002 USDC per successful call over x402 on Base, no account or API key).
Inputs: day, cheapest.
Validate a Mexican RFC offline: format (moral 12 / física 13 characters), the YYMMDD date part, the homoclave check digit and the generic RFCs, plus a cross-check against the SAT 69-B list. Does not prove the RFC is registered with the SAT. Not an official SAT service. Free: 20 calls per client per UTC day, shared by the Mexico tools (mx_sat_69b_lookup, mx_rfc_validate). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://mx.redtapeapi.com/v1/mx/rfc/validate ($0.002 USDC per successful call over x402 on Base, no account or API key).
Inputs: rfc (required).
Look up one Mexican RFC in the SAT 69-B complete list (taxpayers presumed to invoice non-existent operations, EFOS). Returns whether it is listed and its situation (Presunto, Desvirtuado, Definitivo, Sentencia Favorable) with oficio numbers, publication dates, the data cut-off and the source citation. Lookup by RFC only; persona física names are never returned. Source: SAT open data (Libre Uso MX); not an official SAT service. Free: 20 calls per client per UTC day, shared by the Mexico tools (mx_sat_69b_lookup, mx_rfc_validate). When the free quota is used up the tool returns an error naming the paid HTTP endpoint https://mx.redtapeapi.com/v1/mx/sat/69b ($0.005 USDC per successful call over x402 on Base, no account or API key).
Inputs: rfc (required).
PAID, not part of the free quota and not a free tool: does not fetch or return the dossier. Validates a persona moral RFC locally, then returns the x402 payment pointer so an x402 client can pay and GET it. Price: $0.03 USDC on Base (eip155:8453) per successful HTTP 200; no account or API key; 4xx is not charged. GET https://mx.redtapeapi.com/v1/mx/supplier/dossier?rfc= — Supplier dossier for a persona moral. It aggregates SAT Art. 69 lists, CSD sin efectos, full 69-B history, 69-B Bis and the Padrón de Importadores, with an explainable risk score. This tool does not fetch or include that data. Personas morales only (12-character RFC). A 13-character persona física RFC is rejected here and by the route with HTTP 400. Manifests: https://mx.redtapeapi.com/openapi.json and https://mx.redtapeapi.com/.well-known/x402. Not an official SAT service.
Inputs: rfc (required).
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110 pay-per-call agent tools: e-commerce, product, price and social media data tools. x402
Free list of Rainmaker tools + paid need-to-tool router. x402 $0.005 USDC, Base. As is, no warranty.
Free list of Rainmaker tools + paid need-to-tool router. x402 $0.005 USDC, Base. As is, no warranty.
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