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Your listings, prices, orders, refunds and pricing rules. No market prices, other sellers’ data or buyer details. For a no-code walkthrough, see API keys. Use an API key or an OAuth token with mcp:read. The desktop agent’s key gets 403 legacy_key_not_allowed.

List inventory

Only live listings with quantity above 0 are returned. Quick Add cards appear once they are listed on TCGplayer. limit is 1 to 500 (default 100).

List orders

Orders come newest first. Refunds and late line items show up the next time you read that order, so re-read the last few weeks when you sync.

List pricing rules

Rules come in priority order, lowest number first. status is active, disabled or expired.

Limits

Each API key has a per-minute request limit set by your plan. Rejected API requests count toward this limit. Over it, you get 429 rate_limited with a Retry-After header in seconds. Wait that long, then retry.

Pages

Pass next_cursor back as cursor. Stop when it is null. A cursor works only for the store that received it; anything else returns 400 invalid_cursor.