Travel Per Diem & Allowance Calculator MCP MCP server

This MCP server provides compliant per diem calculations using official US GSA, US State Dept, German BMF, and UK HMRC rates. It allows agents to retrieve specific daily allowances for travel itineraries, handling partial days, meal deductions, and multi-country rules automatically. It is designed for integration into expense management, travel SaaS, and AI finance tools to eliminate manual spreadsheet tracking of government rate updates.

Endpoint and access

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

No sign-inEndpoint checked 2026-10-05Operated by Syntropic

MCP endpoint (Streamable HTTP)

https://syntropicapi.com/mcp/travel-per-diem/mcp

Vendor documentation

What you can do with it

Calculate daily per diem allowances for a multi-day travel itinerary
Retrieve official lodging and meal rates for specific cities and dates
Apply country-specific rules for partial days and meal deductions
List supported regimes and their validity periods

Tools advertised by the last live check:

get_per_diem_rates
calculate_trip_allowance
list_per_diem_regimes
search_per_diem_locations

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 travel-per-diem-allowance-calculator-mcp https://syntropicapi.com/mcp/travel-per-diem/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 travel-per-diem-allowance-calculator-mcp --url https://syntropicapi.com/mcp/travel-per-diem/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable travel-per-diem-allowance-calculator-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "travel-per-diem-allowance-calculator-mcp": {
      "url": "https://syntropicapi.com/mcp/travel-per-diem/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": {
    "travel-per-diem-allowance-calculator-mcp": {
      "type": "streamableHttp",
      "url": "https://syntropicapi.com/mcp/travel-per-diem/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start travel-per-diem-allowance-calculator-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "travel-per-diem-allowance-calculator-mcp": {
      "type": "http",
      "url": "https://syntropicapi.com/mcp/travel-per-diem/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 travel-per-diem-allowance-calculator-mcp https://syntropicapi.com/mcp/travel-per-diem/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": {
    "travel-per-diem-allowance-calculator-mcp": {
      "url": "https://syntropicapi.com/mcp/travel-per-diem/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": {
    "travel-per-diem-allowance-calculator-mcp": {
      "serverUrl": "https://syntropicapi.com/mcp/travel-per-diem/mcp"
    }
  }
}

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