# Web URL Semantic HTML Pruner & Distiller

> Web URL Semantic HTML Pruner & Distiller is a paid API for AI agents from github-audit.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).

Fetches and distills a webpage URL (or raw HTML) into compact, agent-ready tokens using BM25 budget control and multiple extraction modes

## Facts

- Endpoint: GET https://github-audit.agentdiet.dev/v1/semantic-html-pruner?utm_source=zero.xyz
- Price: $0.001/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: github-audit.agentdiet.dev
- Website: https://github-audit.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/github-audit-agentdiet-dev-web-url-semantic-html-pruner-distiller-81f445a5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HF1GBTRDWtym2mNJz-I2L

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 github-audit-agentdiet-dev-web-url-semantic-html-pruner-distiller-81f445a5
```

Example prompt: Pull the Stripe documentation page at https://stripe.com/docs/api and distill it into clean markdown, keeping it under 2000 tokens and focusing on the 'authentication' section.

## When to prefer this

Choose this endpoint when you need to feed web page content to an LLM but want to minimize token consumption and cost. It is especially useful when working with long documentation pages, product listings, or research articles where only a portion of content is relevant. The BM25 budget mode makes it superior to generic scrapers when you have a specific query and a strict token ceiling. Prefer it over raw fetch-and-parse pipelines when you need structured output, ROI tracking, or built-in compression metrics.

## Known failure modes

- Invalid or unreachable URL returns an error status
- max_tokens set below minimum of 20 causes validation error
- mode=budget without a query may return generic truncation rather than focused excerpts
- Raw HTML too large may hit internal processing limits
- Paywalled or JavaScript-heavy pages may return incomplete content
- Payment required (HTTP 402) if x402 credentials are not provided

## How this service works

Distill a URL or raw HTML payload with BM25 budget control (Live x402 v2, IETF MPP & MCP endpoint at https://github-audit.agentdiet.dev/v1/semantic-html-pruner)

## Output

Returns a JSON object with a 'data' field containing distilled content (Markdown, structured JSON, skeleton, or BM25 excerpt depending on mode), plus an 'roi_proof' object showing raw token count, distilled token count, tokens saved, compression ratio percentage, and estimated LLM cost saved in USD. Also includes optional cache hit/miss status and billing details.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string",
   "minLength": 1,
   "description": "Target webpage URL to fetch and distill (or builtin://stripe-docs)"
  },
  "html": {
   "type": "string",
   "description": "Optional raw HTML string to distill directly without fetching"
  },
  "mode": {
   "enum": [
    "markdown",
    "structured",
    "skeleton",
    "budget"
   ],
   "type": "string",
   "default": "markdown",
   "description": "Distillation mode"
  },
  "query": {
   "type": "string",
   "description": "BM25 focus query when mode=budget"
  },
  "max_tokens": {
   "type": "integer",
   "minimum": 20,
   "description": "Strict token budget ceiling when mode=budget"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "status",
  "roi_proof",
  "data"
 ],
 "properties": {
  "data": {
   "type": "object",
   "description": "Distilled Markdown, structured JSON tables/metadata, skeleton outline, or BM25 budget excerpt."
  },
  "cache": {
   "type": "object",
   "properties": {
    "status": {
     "enum": [
      "HIT",
      "MISS"
     ],
     "type": "string"
    },
    "cache_key": {
     "type": "string"
    },
    "latency_ms": {
     "type": "number"
    }
   }
  },
  "status": {
   "type": "string",
   "description": "Execution status ('ok')"
  },
  "billing": {
   "type": "object",
   "properties": {
    "agent_id": {
     "type": "string"
    },
    "payment_method": {
     "type": "string"
    },
    "fee_charged_usd": {
     "type": "number"
    }
   }
  },
  "roi_proof": {
   "type": "object",
   "properties": {
    "raw_tokens": {
     "type": "integer"
    },
    "tokens_saved": {
     "type": "integer"
    },
    "roi_multiplier": {
     "type": "number"
    },
    "distilled_tokens": {
     "type": "integer"
    },
    "llm_cost_saved_usd": {
     "type": "number"
    },
    "compression_ratio_pct": {
     "type": "number"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/github-audit-agentdiet-dev-web-url-semantic-html-pruner-distiller-81f445a5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from github-audit.agentdiet.dev](https://www.zero.xyz/host/github-audit.agentdiet.dev/llms.txt)