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Distill URL or HTML with BM25 Budget Control
Distill URL or HTML with BM25 Budget Control is a paid API for AI agents from mcp-compiler.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-23).
Fetches a URL or accepts raw HTML and distills it into compressed Markdown, structured JSON, skeleton outline, or a BM25-ranked token-budget excerpt
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-compiler.agentdiet.dev/v1/prompt-compress)
Output
Returns a JSON object with a 'data' field containing the distilled content (Markdown string, structured JSON tables/metadata, skeleton outline, or BM25-ranked excerpt depending on mode), plus an 'roi_proof' object showing raw_tokens, distilled_tokens, tokens_saved, compression_ratio_pct, roi_multiplier, and llm_cost_saved_usd, along with optional cache hit/miss status and billing details.
Example use cases
Token-budget Stripe docs extraction
“Pull the Stripe docs page at https://stripe.com/docs/api/charges and give me a BM25 excerpt focused on 'refund handling' with a strict ceiling of 300 tokens — I need to pass just the relevant section to my model.”
Clean Markdown from competitor landing page
“Fetch https://openai.com/pricing and distill it into clean Markdown, stripping all the nav and footer noise — I want the pricing table content only.”
Skeleton outline of a long article
“Take this raw HTML I'm pasting and return a skeleton outline of its structure — headings, subheadings, and key section labels — so I can decide which parts to dig into: <html>...</html>”
Technical details
Endpoint
POSThttps://mcp-compiler.agentdiet.dev/v1/prompt-compress?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to feed web content into an LLM but must control token usage — especially when the target page is large, noisy, or contains boilerplate. The BM25 budget mode is uniquely suited for extracting only the most query-relevant sentences under a hard token ceiling, making it superior to generic scrapers when cost and context-window efficiency matter. Prefer it over raw fetch-and-pass approaches whenever you want compression ratio metrics and ROI proof alongside the distilled content.
Side effects
- URL is unreachable or returns non-200 — endpoint may error or return empty distillation
- HTML payload is malformed or empty — distillation may produce minimal output
- mode=budget used without a query field — BM25 ranking cannot focus without a query
- max_tokens set below 20 — rejected by schema validation
- Target page is behind authentication or a CAPTCHA wall — fetch fails silently
- Very large HTML payloads may exceed processing limits and return truncated results
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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