Open-source flight search MCP tool flags every split ticket as unprotected for agents
Fast_Entrance7839 · reddit · 2026-11-15
A dev building an open-source flight search tool callable by agents over MCP shares how it handles split tickets: when two one-way tickets via a hub are cheaper, it returns splitticket: true and connectionprotected: false, since a missed connection means no rebooking and possible baggage re-check. It always runs a normal search first for comparison and defaults to 3+ hours between legs. The unsolved problem: the agent writes the final summary, and short answers tend to drop the warning—currently only mitigated via the tool description. He asks the community for patterns to make agents reliably relay tool warnings.
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