Rate limits
Parts MCP calls the Source Parts API, which applies per-plan rate limits.
Limits follow your plan
Tool calls are subject to the same per-minute limits as the underlying Source Parts API (by subscription tier). Responses include X-RateLimit-* headers; a 429 means you've hit the limit.
Stay within budget
Rely on local caching for repeated lookups, batch where possible (e.g. multi-part availability), and avoid tight polling loops on status endpoints.
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