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Web URL Distillation & BM25 Token Budget API
Web URL Distillation & BM25 Token Budget API 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 or raw HTML and distills it into compact, agent-ready tokens with optional BM25-ranked budget control to minimize LLM context usage
Price / call$0.001
Success—
StatusUnknown
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)
Output
Returns a distilled version of the webpage in the requested format (markdown, structured JSON tables/metadata, skeleton outline, or BM25-ranked budget excerpt), along with an ROI proof object showing raw token count, distilled token count, tokens saved, compression ratio, and estimated LLM cost savings. Also includes cache hit/miss status and billing details.
Example use cases
Grounding agent on live documentation
“Pull down the Stripe docs at https://stripe.com/docs/api and distill them into structured mode so I can answer a user question without blowing my context window.”
BM25-focused research digest
“Fetch https://openai.com/research/gpt-4 and extract only the content most relevant to 'safety evaluations' using budget mode with a ceiling of 300 tokens.”
Skeleton outline of a long article
“Distill https://en.wikipedia.org/wiki/Large_language_model into skeleton mode so I can see the section headers and main structure without reading the whole page.”
Technical details
Endpoint
GEThttps://mcp-security.agentdiet.dev/v1?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to read a live webpage but must minimize LLM token consumption. It is especially valuable when the target page is verbose or noisy, when only a specific topic is needed (use mode=budget with a BM25 query), or when structured metadata extraction is preferred over raw scraping. It outperforms generic scrapers by providing built-in compression metrics and token budget enforcement, making it ideal for cost-conscious agent pipelines.
Side effects
- URL is unreachable or returns a non-200 HTTP status — endpoint may return an error status
- URL points to non-HTML content (PDF, binary) that cannot be parsed
- max_tokens set below the minimum of 20 — rejected by schema validation
- BM25 query provided without mode=budget — query may be ignored
- Payment not attached or x402 flow fails — request rejected with 402
- Raw HTML string too large — may time out or exceed processing limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | Target webpage URL to fetch and distill (or builtin://stripe-docs) |
| html | string | Optional raw HTML string to distill directly without fetching |
| mode | string | Distillation mode |
| query | string | BM25 focus query when mode=budget |
| max_tokens | integer | Strict token budget ceiling when mode=budget |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | object | Distilled Markdown, structured JSON tables/metadata, skeleton outline, or BM25 budget excerpt. |
| cache | object | |
| statusrequired | string | Execution status ('ok') |
| billing | object | |
| roi_proofrequired | object |
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