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stierproducts tier lists

com.stierproducts/tier-lists
Comercio y retail Búsqueda e investigación Público y accesible MCP 2026-07-28

Qué hace este MCP

Provides cited product tier lists, product comparisons, source details, barcodes, and products to avoid.

compare_products
Compare products
Compare two to five products side by side. They must share a category: LP is points on one category ladder and comparing across boards is meaningless, so a mixed request is refused rather than answered misleadingly.
Solo lectura
Esquema de entrada
{'type': 'object', 'required': ['slugs'], 'properties': {'slugs': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 5, 'minItems': 2, 'description': 'Product slugs to compare.'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'category', 'note', 'products'], 'properties': {'note': {'type': 'string'}, 'license': {'type': 'object'}, 'category': {'type': 'object'}, 'products': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'name', 'tier', 'rank', 'lp'], 'properties': {'lp': {'type': 'number'}, 'name': {'type': 'string'}, 'rank': {'type': 'integer'}, 'slug': {'type': 'string'}, 'tier': {'type': 'string'}}}}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'monetization': {'type': 'object'}}}
get_product
Get one product
Everything held on one product: its placement, verdict, pros and cons, GTIN barcodes, the announcement date where the maker published one, and a breakdown of how the cited sources read (how many were glowing, positive, neutral or negative, and whether they were outlets, named authors, video channels or forum owners). Then every citation in full, with a verbatim quote, who said it, and whether the link was fetched and confirmed. Use this when a claim needs backing up.
Solo lectura
Esquema de entrada
{'type': 'object', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'description': 'Product slug, e.g. "bambu-lab-x2d".'}, 'citation_limit': {'type': 'integer', 'default': 10, 'maximum': 200, 'minimum': 1, 'description': 'How many citations to return, most notable first. The sentiment and speaker breakdowns always count every source regardless of this.'}, 'citation_offset': {'type': 'integer', 'default': 0, 'minimum': 0, 'description': 'Skip this many citations. Use it to page through the rest.'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'product', 'category', 'citations_total', 'citations_shown', 'citations_offset', 'citations_remaining', 'citations_confirmed_live', 'citations'], 'properties': {'license': {'type': 'object'}, 'product': {'type': 'object', 'required': ['slug', 'name', 'tier', 'rank', 'lp'], 'properties': {'lp': {'type': 'number'}, 'name': {'type': 'string'}, 'rank': {'type': 'integer'}, 'slug': {'type': 'string'}, 'tier': {'type': 'string'}}}, 'category': {'type': 'object'}, 'citations': {'type': 'array'}, 'sentiment': {'type': 'object'}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'speaker_mix': {'type': 'object'}, 'monetization': {'type': 'object'}, 'citations_shown': {'type': 'integer'}, 'citations_total': {'type': 'integer'}, 'citations_offset': {'type': 'integer'}, 'citations_remaining': {'type': 'integer'}, 'citations_confirmed_live': {'type': 'integer'}}}
get_tier_list
Get a category tier list
The full S-to-F tier list for one category: every ranked product with its tier, rank, LP, verdict, pros, cons, citation counts, GTIN barcodes and, where the maker published one, the announcement date. This is the primary tool and one call answers a "what is the best X" question completely. Call get_product for the quotes behind a placement.
Solo lectura
Esquema de entrada
{'type': 'object', 'required': ['category'], 'properties': {'tier': {'enum': ['S', 'A', 'B', 'C', 'D', 'F'], 'type': 'string', 'description': 'Optional. Return only this tier.'}, 'category': {'type': 'string', 'description': 'Category slug, e.g. "3d-printers".'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'category', 'summary', 'products_ranked', 'method', 'tier_meanings', 'products'], 'properties': {'method': {'type': 'string'}, 'license': {'type': 'object'}, 'summary': {'type': 'string'}, 'category': {'type': 'object'}, 'products': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'name', 'tier', 'rank', 'lp'], 'properties': {'lp': {'type': 'number'}, 'name': {'type': 'string'}, 'rank': {'type': 'integer'}, 'slug': {'type': 'string'}, 'tier': {'type': 'string'}}}}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'monetization': {'type': 'object'}, 'tier_meanings': {'type': 'object'}, 'products_ranked': {'type': 'integer'}}}
list_categories
List product categories
List the product categories that have a published tier list, newest research first. Call this first when you do not already know the exact category slug: slugs cannot be guessed reliably and every other tool takes one.
Solo lectura
Esquema de entrada
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'default': 50, 'maximum': 208, 'minimum': 1}, 'query': {'type': 'string', 'description': 'Optional filter matched against the category name and description.'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'count', 'categories'], 'properties': {'count': {'type': 'integer'}, 'license': {'type': 'object'}, 'categories': {'type': 'array'}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'monetization': {'type': 'object'}}}
search_products
Search ranked products
Find ranked products by name or brand across every board. Returns the slug, category and tier for each match, which is what get_product and get_tier_list need next.
Solo lectura
Esquema de entrada
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'default': 20, 'maximum': 50, 'minimum': 1}, 'query': {'type': 'string', 'description': 'Product or brand name, e.g. "Bambu Lab X2D".'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'query', 'matches', 'products'], 'properties': {'query': {'type': 'string'}, 'license': {'type': 'object'}, 'matches': {'type': 'integer'}, 'products': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'name', 'tier', 'rank', 'lp'], 'properties': {'lp': {'type': 'number'}, 'name': {'type': 'string'}, 'rank': {'type': 'integer'}, 'slug': {'type': 'string'}, 'tier': {'type': 'string'}}}}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'monetization': {'type': 'object'}}}
what_to_avoid
What to avoid in a category
The products the research placed in the bottom tiers, and the ones it deliberately entered as traps buyers cross-shop but should not buy. Use it to answer "what should I not buy" and to check whether a product a user is considering was flagged.
Solo lectura
Esquema de entrada
{'type': 'object', 'required': ['category'], 'properties': {'category': {'type': 'string', 'description': 'Category slug, e.g. "3d-printers".'}}}
Esquema de salida
{'type': 'object', 'required': ['source_url', 'license', 'attribution', 'monetization', 'category', 'bottom_tier_count', 'flagged_count', 'products'], 'properties': {'license': {'type': 'object'}, 'category': {'type': 'object'}, 'products': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'name', 'tier', 'rank', 'lp'], 'properties': {'lp': {'type': 'number'}, 'name': {'type': 'string'}, 'rank': {'type': 'integer'}, 'slug': {'type': 'string'}, 'tier': {'type': 'string'}}}}, 'source_url': {'type': 'string'}, 'attribution': {'type': 'string'}, 'monetization': {'type': 'object'}, 'flagged_count': {'type': 'integer'}, 'bottom_tier_count': {'type': 'integer'}}}
Añadido
what_to_avoid
17 de September de 2026 a las 12:37
Añadido
compare_products
17 de September de 2026 a las 12:37
Añadido
get_product
17 de September de 2026 a las 12:37
Añadido
get_tier_list
17 de September de 2026 a las 12:37
Añadido
search_products
17 de September de 2026 a las 12:37
Añadido
list_categories
17 de September de 2026 a las 12:37