# AgentDiet RAG Token Diet – Web URL Distiller

> AgentDiet RAG Token Diet – Web URL Distiller is a paid API for AI agents from mcp-security.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).

Fetches a webpage and distills it into compact, agent-ready tokens using BM25 budget control and multiple extraction modes (markdown, structured, skeleton, or budget)

## Facts

- Endpoint: GET https://mcp-security.agentdiet.dev/v1/rag-token-diet?utm_source=zero.xyz
- Price: $0.001/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: mcp-security.agentdiet.dev
- Website: https://mcp-security.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/mcp-security-agentdiet-dev-agentdiet-rag-token-diet-web-url-distiller-8cc2bd55
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uegSe2GcDAS6Zn2N1IwhN

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 mcp-security-agentdiet-dev-agentdiet-rag-token-diet-web-url-distiller-8cc2bd55
```

Example prompt: Can you fetch https://stripe.com/docs/payments and distill it into compact markdown, keeping it under 800 tokens and focusing on 'payment intent creation'?

## When to prefer this

Choose this endpoint when you need to feed webpage content into an LLM context window but want to minimize token usage and cost. It is especially useful in RAG pipelines where raw HTML is too verbose, when you have a strict token budget for a specific topic (use budget+BM25 mode), or when you need structured/skeleton extraction rather than raw text. Prefer it over generic web scrapers when token economy and LLM-readiness are primary concerns.

## Known failure modes

- URL unreachable or returns non-200 HTTP status — endpoint may return an error status
- URL content is too sparse or already minimal — low compression ratio, minimal tokens saved
- max_tokens set too low for the content — may truncate critical information
- BM25 query with mode=budget yields poor relevance if query terms are absent from the page
- Raw HTML provided is malformed — distillation quality may degrade
- Payment not authorized — x402 payment required error if agent wallet not funded

## How this service works

Distill a URL or raw HTML payload with BM25 budget control (Live x402 v2, IETF MPP & MCP endpoint at https://mcp-security.agentdiet.dev/v1/rag-token-diet)

## Output

Returns a JSON object containing distilled content (markdown text, structured JSON tables/metadata, skeleton outline, or BM25-focused excerpt depending on mode), an ROI proof block showing raw token count vs distilled token count, compression ratio percentage, tokens saved, estimated LLM cost saved in USD, and optional cache status and billing metadata.

## 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/mcp-security-agentdiet-dev-agentdiet-rag-token-diet-web-url-distiller-8cc2bd55/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mcp-security.agentdiet.dev](https://www.zero.xyz/host/mcp-security.agentdiet.dev/llms.txt)