MCP server that searches ITA Matrix for complex flight itineraries, supporting multi-city trips and custom routing codes, to help plan intricate travel plans.
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Filip-Kin
Source: Glama
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Install from
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HOSTITA_MATRIX_ALLOWED_HOSTS(unset) Comma-separated Host allowlist, guarding against DNS rebinding.ITA_MATRIX_API_KEYauto Pin the upstream key instead of discovering it.ITA_MATRIX_CACHE_DIRITA_MATRIX_SECRET_PATH(unset) Mounts MCP at /mcp/<secret> instead of /mcp. The URL then acts as the credential.ITA_MATRIX_TIMEOUT_MS150000 Upstream timeout. Multi-city searches are slow.PORTTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
5/5 tools missing one or more hints — search_flights (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_itinerary_details (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); search_flexible_dates (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +2 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool inputs are validated
4/5 tool handlers declare input schemas (80%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
4/5 tool handlers wrap calls in try/catch (80%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
No hardcoded API keys
2 live-looking API keys in source: 2 Google API key
Move secrets to environment variables (process.env.X) or your secret manager.
Tests exist
No test files found
Add tests that exercise each declared tool.
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