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Skill Trend Analysis

by Skill: Trend analysis in Weather & location

x402 APIPassing, checked 37 min ago

Take any numeric time series - a stock's daily close, a FRED macro indicator, a treasury yield history - and run it through the full quantitative workup: descriptives, moving averages, trend line, outliers, optional correlation against a benchmark, and a deterministic forecast forward with a 95% prediction interval. Everything an analyst writes a notebook for, in one chain of cheap calls.

POST https://agent402.tools/api/skill/trend-analysis

Last 30 days

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Uptime
100%
Response time
192 ms typical, 192 ms slowest 5%
Last check
37 min ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/skill/trend-analysis" \
  -H "content-type: application/json" \
  -d '{"benchmark":"SPY","horizon":"1y","series":"AAPL"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fskill%2Ftrend-analysis
const res = await pay("https://agent402.tools/api/skill/trend-analysis", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"benchmark":"SPY","horizon":"1y","series":"AAPL"}),
});
console.log(await res.json());

Example input

{
  "benchmark": "SPY",
  "horizon": "1y",
  "series": "AAPL"
}

Example output

{
  "args": {
    "benchmark": "SPY",
    "horizon": "1y",
    "series": "AAPL"
  },
  "pack": "trend-analysis",
  "steps": [
    {
      "ok": true,
      "result": {},
      "slug": "stock-history"
    },
    {
      "ok": true,
      "result": {},
      "slug": "fred-series"
    },
    {
      "ok": true,
      "result": {},
      "slug": "stats-summary"
    },
    {
      "ok": true,
      "result": {},
      "slug": "moving-average"
    },
    {
      "ok": true,
      "result": {},
      "slug": "linear-regression"
    },
    {
      "ok": true,
      "result": {},
      "slug": "outliers"
    },
    {
      "ok": true,
      "result": {},
      "slug": "correlation"
    },
    {
      "ok": true,
      "result": {},
      "slug": "forecast-eval"
    },
    {
      "ok": true,
      "result": {},
      "slug": "forecast-naive"
    },
    {
      "ok": true,
      "result": {},
      "slug": "forecast-ses"
    },
    {
      "ok": true,
      "result": {},
      "slug": "forecast-holt"
    }
  ],
  "summary": "11/11 steps succeeded"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
37 min agoPassed402192 ms$0.018
6 h agoPassed402195 ms$0.018