Market Category Booster MCP server

• Registry namecom.market-category-booster/mcbverified in the MCP registry

The registry name sits under market-category-booster.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

• Stateanswerschecked 2026-10-24
• Tools3
• Server calls itselfmcb
• Server version0.1.3
• Protocol version2025-06-18

On 2026-10-24 the server answered initialize and tools/list without a sign-in. First answer in 156 ms.

• Whether its tools do the product's job has not been judged yet.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

• INITE MCP score95 of 100answers 100 · definitions 83 · context 100 · connects 100
• Answered100% of days12 of 12 daily checks
• Median first answer638 ms
• Space in an agent's context≈ 441 tokensthe definitions of all its tools (3), which an agent carries on every turn
• Tool definitionsB · 83 of 100
• Typed results3 of 3 toolsdeclared outputSchema: results come typed, read once

• Not saying whether it only reads or can destroy: 3 of 3

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

• categorize_product

  Map a free-text product description to a marketplace category path. Walks the taxonomy of the target marketplace one level at a time and returns the full path: one match per level, from the broadest category down to the most specific one…

• list_stores

  List the marketplaces whose taxonomies are loaded, as `store_id` values. These are the only accepted values for the `store_id` argument of `categorize_product`. Free of charge on purpose: without it an agent would have to pay for a failed…

• payment_info

  Return the x402 payment requirements for one categorization call. Meant for an agent that holds no API key: gives network, asset, recipient address and amount as JSON, so the payment authorization can be signed before calling…