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mcp/harbor
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Onward Flights MCP

v1.0.1 changelog · 2

flights.onward/onward-flights

Search real flights and buy an onward ticket (proof of onward travel), paid in USDC over MPP

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http onward-flights https://onward.flights/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

find_airports Read-only

find airports

search_flights Read-only

search flights

buy_ticket

buy ticket

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.