Roundhouse AI

PortfolioGuard

Deterministic portfolio risk analysis and quality scoring. Computes riskScore, riskLevel, volatility, sharpe, maxDrawdown, concentrationHHI, diversification, effectiveHoldings plus per-rule findings with fixes and sector/position breakdown. Pure math only from caller holdings and returns. No external data.

DataLiveeip155:8453Exactvia cdp
https://hermesplant.com/api/agent-services/portfolioguard/score
Portfolio-risk-analysisPortfolioRiskFinanceScoring
Settlements · 30d
2↓ 100%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$15.73
Verified settled volume
108 settlements proven x402 by their on-chain EIP-3009 marker.
$0.150
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-07-26 14:40Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x5171C72a59b994a80097b6ab52D4A4FcB8BF4c1B

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.15USDC≈ $0.15 USD
on Base · exact scheme

Pay 0.15 USDC on Base to 0x5171…F4c1B. The signed payment is good for 5 minutes.

Paid to
0x5171…F4c1B
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
150000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x5171C72a59b994a80097b6ab52D4A4FcB8BF4c1B",
    "amount": "150000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "holdings": [
            {
              "sector": "Technology",
              "symbol": "AAPL",
              "weight": 0.25
            },
            {
              "sector": "Bonds",
              "symbol": "BND",
              "weight": 0.35
            },
            {
              "sector": "Commodity",
              "symbol": "GLD",
              "weight": 0.15
            },
            {
              "sector": "Equity",
              "symbol": "VTI",
              "weight": 0.25
            }
          ],
          "riskFreeRate": 0,
          "periodReturns": [
            0.01,
            -0.004,
            0.007,
            0.002,
            -0.01
          ]
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "metrics": {
            "sharpe": 0.42,
            "volatility": 0.0071,
            "maxDrawdown": 0.014,
            "concentrationHHI": 0.2375,
            "effectiveHoldings": 4.21,
            "diversificationScore": 76
          },
          "findings": [
            {
              "fix": null,
              "why": "Weights should sum to approximately 1.0.",
              "rule": "weights-sum-sanity",
              "evidence": "sum=1",
              "severity": "info"
            },
            {
              "fix": null,
              "why": "No position exceeds 25%.",
              "rule": "single-position-concentration",
              "evidence": "maxWeight=0.35",
              "severity": "info"
            }
          ],
          "breakdown": {
            "bySector": {
              "Bonds": {
                "count": 1,
                "weight": 0.35
              },
              "Technology": {
                "count": 1,
                "weight": 0.25
              }
            },
            "topPositions": [
              {
                "symbol": "BND",
                "weight": 0.35
              },
              {
                "symbol": "AAPL",
                "weight": 0.25
              }
            ]
          },
          "riskLevel": "medium",
          "riskScore": 64
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "properties": {
            "body": {
              "required": [
                "holdings"
              ],
              "properties": {
                "holdings": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "required": [
                      "symbol",
                      "weight"
                    ],
                    "properties": {
                      "sector": {
                        "type": "string"
                      },
                      "symbol": {
                        "type": "string"
                      },
                      "weight": {
                        "type": "number"
                      },
                      "returns": {
                        "type": "array",
                        "items": {
                          "type": "number"
                        }
                      },
                      "assetClass": {
                        "type": "string"
                      }
                    }
                  },
                  "description": "List of positions with symbol, weight (0-1), optional returns[], sector, assetClass."
                },
                "riskFreeRate": {
                  "type": "number",
                  "description": "Optional risk-free rate for Sharpe (default 0)."
                },
                "periodReturns": {
                  "type": "array",
                  "items": {
                    "type": "number"
                  },
                  "description": "Optional time series of portfolio or market period returns (preferred for volatility/sharpe/MDD)."
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  },
  "payment-identifier": {
    "info": {
      "required": false
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "required"
      ],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[a-zA-Z0-9_-]+$",
          "maxLength": 128,
          "minLength": 16
        },
        "required": {
          "type": "boolean"
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-07-26 14:40Z
Last indexed by Roundhouse
2026-08-25 14:30Z
Last enriched (probe, favicon, geo)
2026-09-24 18:45Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service PortfolioGuard and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=PortfolioGuard'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://hermesplant.com/api/agent-services/portfolioguard/score, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.