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Categories

The category taxonomy behind the registry, and the tools in each one.

Every registry product is filed under one or more categories. Each category names an agent task ("Charge customers, subscriptions, metering") so an agent can browse by the job it needs done, not by vendor marketing. Category reads are open and free.

#List categories

Returns the full taxonomy with a product count per category.

curl "https://api.stackresolve.dev/v1/categories"

The MCP surface has no dedicated categories tool; use list_registry with a category filter, or the REST endpoints here.

Response (trimmed)
{
  "categories": [
    { "slug": "web-search", "name": "Web Search & Research", "agent_task": "Find current information on the web", "count": 4 },
    { "slug": "ai-models", "name": "AI Models & Inference", "agent_task": "Generate and reason with LLMs and multimodal models", "count": 5 },
    { "slug": "payments", "name": "Payments & Billing", "agent_task": "Charge customers, subscriptions, metering", "count": 4 },
    { "slug": "email", "name": "Email", "agent_task": "Send, receive, and manage email", "count": 1 }
  ]
}
slugstring

The category id used to filter the registry and to fetch one category.

agent_taskstring

The job an agent is trying to do, in plain language.

countinteger

How many scored products are filed under the category.

#Get one category

Returns the category plus its products, highest AgentReady Score first.

Shell
curl "https://api.stackresolve.dev/v1/categories/payments"
slugstringrequired

The category slug, for example payments.

Response
{
  "category": { "slug": "payments", "name": "Payments & Billing", "agent_task": "Charge customers, subscriptions, metering" },
  "products": [
    { "slug": "paddle", "name": "Paddle", "domain": "paddle.com", "agentready": 83 },
    { "slug": "mercury", "name": "Mercury", "domain": "mercury.com", "agentready": 81 },
    { "slug": "stripe", "name": "Stripe", "domain": "stripe.com", "agentready": 74 },
    { "slug": "ramp", "name": "Ramp", "domain": "ramp.com", "agentready": 64 }
  ]
}

#Browse a category in the registry

To page or filter within a category, hit the registry with a category filter:

Shell
curl "https://api.stackresolve.dev/v1/registry?category=payments&minScore=80&limit=10"

#Related

  • Registry: list, profile, compare, badge.
  • Find tools: ranked candidates for a plain-English task.
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