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Rainmaker Gateway Well Recommender
x402
Rainmaker Gateway Well Recommender is a paid API for AI agents from rainmaker-gateway.rainmaker-wells.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-22).
Routes a natural-language capability need to the best-matching Rainmaker well, returning its ID, origin MCP URL, tool name, price, and a rationale for the match.
Price / call$0.005
Success—
StatusUnknown
How this service works
Keyword-route a natural-language need to the best Rainmaker well ($0.005 USDC via x402). Returns well id, origin, tool, price_usd, mcp URL, and why. After recommend, open that origin's /mcp directly — gateway does not proxy (avoids double-charge). Free alternative: list-wells. Provided as is, with no warranty or guarantee of accuracy or fitness. Nothing is stored.
Output
A JSON object containing the recommended well's ID, the origin domain of the well provider, the specific tool name, the price in USD, the MCP URL to connect to directly, and a brief explanation of why this well was chosen for the stated need.
Example use cases
Route PDF extraction to correct well
“I need to pull structured tables out of a PDF document — which Rainmaker well handles that best, and what's its MCP endpoint?”
Find URL monitoring tool
“I want to watch a webpage and get notified when it changes — which Rainmaker well should I use for that?”
Discover code execution capability
“I'm building an agent that needs to run Python snippets — which Rainmaker well gives me a code execution tool, and how much does it cost per call?”
Technical details
Endpoint
POSThttps://rainmaker-gateway.rainmaker-wells.workers.dev/api/recommend-well?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to dynamically discover the right Rainmaker MCP tool for a user's capability need at runtime, rather than hardcoding a specific well. It is the entry point for Rainmaker's marketplace — ideal when the right tool is not known in advance. For free discovery without spending USDC, use the sibling list-wells endpoint instead.
Side effects
- Ambiguous or very broad need string may yield a suboptimal or generic match
- No suitable well exists for a highly niche need, returning an empty or low-confidence recommendation
- Network or Workers runtime errors returning 5xx
- Payment failure via x402 if USDC balance is insufficient or payment header is malformed
- Rate limiting if too many requests are made in rapid succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| needrequired | string | Natural-language need, e.g. 'extract tables from a PDF' or 'watch if this URL changed'. |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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