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AgentDiet RAG Token Diet – URL Content Compression & Retrieval
x402
AgentDiet RAG Token Diet – URL Content Compression & Retrieval is a paid API for AI agents from mcp-gateway.agentdiet.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-22).
Fetches a URL and returns a semantically compressed, token-efficient summary of its content with a compression ratio proof for RAG pipelines.
Price / call$0.001
Success—
StatusUnknown
How this service works
Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.
Output
Returns a JSON object with a `data` field containing the compressed semantic content of the fetched URL, a `status` field confirming success, and a `roi_proof` object showing the `compression_ratio_pct` (e.g. 91.4%) achieved versus the raw content.
Example use cases
RAG pipeline token cost reduction
“I need to pull in this research article at https://arxiv.org/abs/2401.00001 and compress it down to its semantic core before I embed it — can you run it through the token diet so I save on embedding costs?”
Agent memory pre-processing
“Before storing this webpage https://docs.stripe.com/api into my agent's long-term memory, compress its content so it takes up fewer tokens and I get a compression ratio report back.”
Cheap web context injection
“I want to inject context from https://news.ycombinator.com into my prompt but I'm worried about token limits — can you fetch that URL and give me the token-diet compressed version with the ROI proof?”
Technical details
Endpoint
GEThttps://mcp-gateway.agentdiet.dev/v1/rag-token-diet?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to fetch web content and dramatically reduce its token footprint before embedding, storing in a vector DB, or injecting into a prompt. It is especially useful in RAG pipelines where token costs matter and you want a provable compression ratio. Prefer it over raw web fetching when you need a lightweight, agent-optimized representation rather than full HTML.
Side effects
- Invalid or unreachable URL returns an error status
- Missing required `input` field causes schema validation failure
- Unsupported HTTP method (not GET or POST) is rejected by enum constraint
- Payment failure (x402 USDC settlement) blocks the request before execution
- Target URL returns non-200 response, resulting in empty or error data field
- Rate limiting or gateway timeout for slow-loading target pages
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {},
"status": "ok",
"roi_proof": {
"compression_ratio_pct": 91.4
}
}
}Tags
x402
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