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AgentDiet Context Diet — Web URL Distiller
AgentDiet Context Diet — Web URL Distiller is a paid API for AI agents from prompt-guard.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).
Fetches a URL or raw HTML and distills it into compact, agent-ready tokens using BM25 budget control and multiple extraction modes
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://prompt-guard.agentdiet.dev/v1/context-diet)
Output
Returns a 'data' object containing the distilled content (Markdown text, structured JSON tables/metadata, skeleton outline, or BM25-focused 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. Also includes optional cache hit/miss status and billing details.
Example use cases
Compress docs page for agent research
“Fetch and distill https://docs.openai.com/api-reference into structured mode so I can quickly scan the key tables and metadata without blowing my context budget.”
BM25-focused excerpt from news article
“I need just the most relevant 500 tokens from https://techcrunch.com/2024/05/01/ai-funding-roundup — use budget mode with query 'venture capital AI funding rounds'.”
Skeleton outline of a long blog post
“Distill https://martinfowler.com/articles/microservices.html into a skeleton outline so I can see the headings and structure without reading the whole thing.”
Technical details
Endpoint
GEThttps://prompt-guard.agentdiet.dev/v1/context-diet?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to ingest web content but must stay within a token budget — especially when the raw page is too large for the LLM context window. Prefer it over generic scrapers when you need BM25-focused relevance filtering, structured JSON table extraction, or provable ROI metrics on token savings. Also ideal when working with documentation sites (supports builtin://stripe-docs) or when cost-per-token savings need to be tracked.
Side effects
- URL is unreachable or returns non-200 — endpoint may error or return empty data
- HTML payload too large causing processing timeout
- BM25 query not specific enough returning low-relevance excerpts
- max_tokens set too low to capture meaningful content (minimum 20)
- Invalid or malformed URL input causing fetch failure
- Paywalled or JavaScript-rendered pages may return incomplete content
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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