Refnusa MCP

An official MCP server providing comprehensive Indonesian reference data including public holidays, minimum wages (UMP/UMK), tax rates (PPh 21), administrative regions, postal codes, and BPJS rates. It allows agents to query regulatory data with source citations and perform calculations like net salary.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by Refnusa

MCP endpoint (Streamable HTTP)

https://refnusa.dev/mcp

Vendor documentation

What you can do with it

Query Indonesian public holidays and cuti bersama dates
Retrieve provincial and regency minimum wage data
Calculate net salary and PPh 21 tax rates
Validate NIK or license plate numbers

Tools advertised by the last live check:

list_datasets
get_holidays
check_holiday
get_ump
get_ump_history
get_umk
get_umk_history
get_wilayah
get_postal_code
reverse_postal_code
get_pph21_ter
get_ptkp
get_prayer_times
get_bpjs_rates
get_bank_codes
get_fuel_prices
list_food_commodities
get_food_prices_latest
get_food_price_series
get_passport_fees
search_kbli
get_kbli
get_tax_rates
get_ojol_tariffs
get_zakat
get_het_prices
list_stat_indicators
get_stat_values
get_stat_series
validate_nik
validate_plate
calculate_net_salary

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http refnusa-mcp https://refnusa.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add refnusa-mcp --url https://refnusa.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable refnusa-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "refnusa-mcp": {
      "url": "https://refnusa.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "refnusa-mcp": {
      "type": "streamableHttp",
      "url": "https://refnusa.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start refnusa-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "refnusa-mcp": {
      "type": "http",
      "url": "https://refnusa.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http refnusa-mcp https://refnusa.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "refnusa-mcp": {
      "url": "https://refnusa.dev/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "refnusa-mcp": {
      "serverUrl": "https://refnusa.dev/mcp"
    }
  }
}

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