Update to PartMatch

{
  "description": "Use when a user asks which refrigerator water filter fits a supported appliance model, whether a specific filter fits, asks for verified compatible replacement filters, or explicitly asks where to buy a verified eligible filter.",
  "included_files": [],
  "name": "partmatch-lookup",
  "skill_md_contents": "---\nname: partmatch-lookup\ndescription: Use when a user asks which refrigerator water filter fits a supported appliance model, whether a specific filter fits, asks for verified compatible replacement filters, or explicitly asks where to buy a verified eligible filter.\n---\n\n# PartMatch lookup\n\nUse the PartMatch MCP tools for appliance compatibility claims.\n\n- Use `find_compatible_parts` when the user supplies an appliance model and asks what filter fits.\n- Use `check_part_fit` when the user supplies both an appliance model and a candidate part number.\n- Use `get_purchase_page` only when the user explicitly asks where to buy, supplies enough information to re-verify the exact filter against the appliance model, and the tool is available.\n- `get_purchase_page` re-checks compatibility. If it does not return an eligible PartMatch purchase page, do not invent another merchant or affiliate link.\n- Never output or construct an Amazon affiliate URL yourself. The MCP purchase tool returns only a PartMatch-owned URL.\n- Do not claim an Amazon price, stock level, rating, seller, delivery date, or discount unless a future authorized tool explicitly returns that field.\n- The current Amazon purchase pilot is US-only. Do not route non-US users through the US affiliate flow.\n- Affiliate availability never changes the compatibility answer.\n- Treat `compatible` as source-backed compatibility.\n- Treat `not_verified` as insufficient evidence. Do not restate it as incompatible.\n- Inspect `coverageStatus` whenever it is present.\n- Treat `revision_required` as a recognized model family that needs revision-specific evidence. Follow `nextStep`; do not infer a filter from the base family.\n- Treat `unknown_model` as unsupported by the verified dataset. Follow `nextStep` when present and do not infer compatibility from similar model numbers.\n- Mention the source publisher when it materially helps the user assess the result.\n\nThe current compatibility dataset is intentionally narrow. Prefer a clear unknown result over a plausible guess. Commerce is secondary to compatibility: PartMatch must remain useful even when no purchase path is available.\n"
}