Toolrail
Chile and LATAM data utilities: UF, RUT, business days, FX and VAT.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Chile and LATAM data utilities: UF, RUT, business days, FX and VAT. Free daily MCP quota.
How to connect
How to connect Toolrail to Claude
The server address to paste into Claude settings:
https://toolrail.dev/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect Toolrail to ChatGPT
The server address to paste into ChatGPT settings:
https://toolrail.dev/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect Toolrail to Cursor
The server address to paste into Cursor settings:
https://toolrail.dev/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (28)
Raw names from tools/list. Only developers need these.
| vat_rates | Current VAT rates for supported European countries (reviewed vatnode open dataset). Free MCP demo; for production volume use GET /vat/rates via x402 (https://toolrail.dev/skill.md). |
| vat_validate | Validate an EU VAT number against the official VIES registry. Free MCP demo; for production volume use POST /vat/validate via x402 (https://toolrail.dev/skill.md). |
| vat_price | Compute net/gross price with EU VAT for a given country. Free MCP demo; for production volume use POST /vat/price via x402 (https://toolrail.dev/skill.md). |
| fx_convert | Convert between 30+ currencies using official ECB reference rates. Free MCP demo; for production volume use GET /fx/convert via x402 (https://toolrail.dev/skill.md). |
| fx_rates | Full ECB reference rate table for a base currency. Free MCP demo; for production volume use GET /fx/rates via x402 (https://toolrail.dev/skill.md). |
| days_holidays | Public holidays for supported countries via Nager.Date. Free MCP demo; for production volume use GET /days/holidays via x402 (https://toolrail.dev/skill.md). |
| days_business_days | Add N business days to a date, respecting official holidays, for supported countries. Free MCP demo; for production volume use GET /days/business-days via x402 (https://toolrail.dev/skill.md). |
| validate_iban | Validate an IBAN (ISO 13616 mod-97, 88 countries). Free MCP demo; for production volume use POST /validate/iban via x402 (https://toolrail.dev/skill.md). |
| validate_phone | Validate and format a phone number (~240 regions). Free MCP demo; for production volume use POST /validate/phone via x402 (https://toolrail.dev/skill.md). |
| validate_tax_id | Validate a LATAM/Spain tax ID: RUT (CL), CUIT/CUIL (AR), CPF/CNPJ (BR), RFC (MX), RUC (PE), NIT (CO), NIF/NIE (ES). Free MCP demo; for production volume use POST /validate/tax-id via x402 (https://toolrail.dev/skill.md). |
| latam_indexacion | LATAM inflation-indexed units: UF (Chile), UVA (Argentina), UVR (Colombia), UDI (Mexico). Free MCP demo; for production volume use GET /latam/indexacion via x402 (https://toolrail.dev/skill.md). |
| latam_iva | VAT (IVA/IGV/ITBIS) rates for 17 Latin American countries, with net-to-gross or gross-to-net calculation. Omit pais for the full table. Free MCP demo; for production volume use GET /latam/iva via x402 (https://toolrail.dev/skill.md). |
| latam_unidades_tributarias | Annual tax units: UIT (Peru), UVT (Colombia), UMA (Mexico). Official value for a date with its legal act; converts N units to local currency. Free MCP demo; for production volume use GET /latam/unidades-tributarias via x402 (https://toolrail.dev/skill.md). |
| latam_dolar_argentina | Argentine dollar quotes: oficial, blue (parallel) and the gap percentage. Free MCP demo; for production volume use GET /latam/dolar-argentina via x402 (https://toolrail.dev/skill.md). |
| latam_fx | All official LATAM exchange rates vs USD in one call: CLP, ARS, BRL, MXN, COP, PEN. Free MCP demo; for production volume use GET /latam/fx via x402 (https://toolrail.dev/skill.md). |
| br_indices | Brazil's SELIC, CDI, IPCA and PTAX dollar (Banco Central do Brasil). Free MCP demo; for production volume use GET /br/indices via x402 (https://toolrail.dev/skill.md). |
| br_cep | Brazilian postal code (CEP) lookup: street, city, state. Free MCP demo; for production volume use GET /br/cep via x402 (https://toolrail.dev/skill.md). |
| ar_indices | Argentina's monthly/annual inflation and country risk (riesgo país). Free MCP demo; for production volume use GET /ar/indices via x402 (https://toolrail.dev/skill.md). |
| co_trm | Colombia's official TRM (legal COP/USD exchange rate). Free MCP demo; for production volume use GET /co/trm via x402 (https://toolrail.dev/skill.md). |
| pe_tipo_cambio | Peru's official SBS exchange rate (BCRP). Free MCP demo; for production volume use GET /pe/tipo-cambio via x402 (https://toolrail.dev/skill.md). |
| mx_indicadores | Mexico's official FIX dollar rate and TIIE 28-day rate (Banxico). Free MCP demo; for production volume use GET /mx/indicadores via x402 (https://toolrail.dev/skill.md). |
| cl_reajuste | Chilean IPC adjustment: compound official inflation between two months. Free MCP demo; for production volume use GET /cl/reajuste via x402 (https://toolrail.dev/skill.md). |
| cl_indicadores | Chilean economic indicators: UF, UTM, dolar, euro, IPC. Free MCP demo; for production volume use GET /cl/indicadores via x402 (https://toolrail.dev/skill.md). |
| cl_uf | Convert between UF and Chilean pesos at any date. Free MCP demo; for production volume use GET /cl/uf via x402 (https://toolrail.dev/skill.md). |
| cl_dias_habiles | Chilean business-day calculator, respecting national holidays. Free MCP demo; for production volume use GET /cl/dias-habiles via x402 (https://toolrail.dev/skill.md). |
| cl_feriados | Official Chilean public holidays for 2026-2027. Free MCP demo; for production volume use GET /cl/feriados via x402 (https://toolrail.dev/skill.md). |
| cl_rut | Validate and format a Chilean RUT (modulo 11 check digit). Free MCP demo; for production volume use POST /cl/rut via x402 (https://toolrail.dev/skill.md). |
| cl_sueldo_liquido | Chilean net salary calculator: gross to net with AFP, health, cesantía and impuesto único. Free MCP demo; for production volume use POST /cl/sueldo-liquido via x402 (https://toolrail.dev/skill.md). |