Tidydata MCP Server

TidyData MCP Server

49 read-only tools for AI assistants: public holidays and business days for 100+ countries, currency conversion (ECB rates), time zones, sunrise & moon, DNS / WHOIS / domain availability, web page inspection (status, redirects, SEO, links, tables, tech stack), geodata (cities, airports, postal codes, distances), nutrition facts, dictionary, spell check, summaries and calculators.

Remote server, nothing to install. Works with Claude, ChatGPT, Cursor, VS Code, Windsurf and any MCP client.

https://tidydata-api.tidydata.workers.dev/mcp

• Transport: Streamable HTTP (stateless JSON)
• Authentication: none
• Free: 100 tool calls per day per user. Need more? Use the same APIs with a plan on RapidAPI, Zyla or api.market → pricing

Connect

Claude (claude.ai / Claude Desktop): Settings → Connectors → Add custom connector → paste the URL above.

Claude Code:

claude mcp add --transport http tidydata https://tidydata-api.tidydata.workers.dev/mcp

ChatGPT: Settings → Apps & Connectors → Create (developer mode) → paste the URL above, authentication None.

Cursor (~/.cursor/mcp.json) · Windsurf · Cline:

{
  "mcpServers": {
    "tidydata": { "url": "https://tidydata-api.tidydata.workers.dev/mcp" }
  }
}

VS Code (.vscode/mcp.json):

{
  "servers": {
    "tidydata": { "type": "http", "url": "https://tidydata-api.tidydata.workers.dev/mcp" }
  }
}

Clients that only speak stdio:

npx -y mcp-remote https://tidydata-api.tidydata.workers.dev/mcp

Example prompts

• "Is 8 December 2026 a public holiday in Spain, and how many business days are there in December?"
• "Convert 250 USD to EUR at today's ECB rate."
• "Check the DNS, SSL redirects and security headers of example.com."
• "Is tidyplanner.com available? If not, who owns it?"
• "Sunrise and golden hour in Lisbon tomorrow."
• "Calories and protein of 200 g chicken breast, 100 g rice and 1 tbsp olive oil."

Tools

📅 Dates & time

💱 Money

🌐 Web & domains

🗺️ Places

📝 Text & language

🧮 Other

All tools are read-only (readOnlyHint: true). Full API documentation: developers.tidydata.workers.dev

Data sources

European Central Bank reference rates · date-holidays (CC BY 3.0) · GeoNames (CC BY 4.0) · OurAirports (public domain) · USDA FoodData Central (public domain) · WordNet / CMU dictionaries · SCOWL word lists · public DNS resolvers and RDAP.

More from TidyData

• Printables shop: etsy.com/shop/TidyData
• Free web tools: tidydata-tools.tidydata.workers.dev
• Apify actors: apify.com/tidydata

License

MIT for this repository (documentation and configuration). The hosted service is free within the daily limit above.