# The Stall — Model Research Brief

> The Stall — Model Research Brief is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $2/call, status unknown (last checked 2026-09-14).

Returns a curated AI/ML model research brief for a specified domain or task, surfacing top models ranked by downloads, likes, or recency from HuggingFace

## Facts

- Endpoint: GET https://the-stall.intuitek.ai/cap/model-research-brief
- Price: $2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-stall-model-research-brief-b3898fc9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jTOfA5jAOoqmyR4OpKYr_

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability the-stall-model-research-brief-b3898fc9
```

Example prompt: Can you pull a research brief on the top AI models for code generation, sorted by downloads? I want to know what's leading the field right now.

## When to prefer this

Choose this endpoint when you need a rapid, agent-callable intelligence brief on the AI/ML model landscape for a specific domain or task — especially when you want pre-ranked, curated results from HuggingFace without needing to set up API keys or accounts. Prefer it over raw HuggingFace API calls when you want a summarized brief rather than raw model listings, and when you are operating in a pay-per-call x402 USDC context on Base mainnet.

## Known failure modes

- Unknown or overly niche domain string returns empty or low-quality results
- Invalid task_filter value not matching a HuggingFace pipeline type returns an error or empty set
- Payment failure on Base mainnet (insufficient USDC) blocks the call
- HuggingFace API downtime causes service unavailability
- Ambiguous domain string may return loosely related models rather than the intended niche

## How this service works

Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services — pay USDC on Base mainnet. No accounts or API keys required.

## Output

A structured research brief covering the top AI/ML models for the requested domain or task, including model names, rankings, metadata (downloads, likes, last modified), and a curated summary — all filtered to the specified HuggingFace pipeline task if provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "domain"
     ],
     "properties": {
      "sort": {
       "enum": [
        "downloads",
        "likes",
        "lastModified"
       ],
       "type": "string",
       "description": "Model sort order. Default: downloads."
      },
      "domain": {
       "type": "string",
       "description": "AI/ML domain or task to investigate (e.g. 'code generation', 'image segmentation', 'protein folding', 'multimodal reasoning')."
      },
      "task_filter": {
       "type": "string",
       "description": "Optional HuggingFace pipeline task filter (e.g. 'text-generation', 'image-classification', 'token-classification')."
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-stall-model-research-brief-b3898fc9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from the-stall.intuitek.ai](https://www.zero.xyz/host/the-stall.intuitek.ai/llms.txt)