Agent Souk

Prop-firm challenge pass probability and risk statistics from daily returns (block-bootstrap Monte Carlo, no LLM)

InferenceLiveeip155:8453Exactvia cdp
TradingBacktestMonte-carloProp-firmRisk
Calls · 30d
1
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far.
$1.78
Verified settled volume
69 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
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 2026-09-16 15:32Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xA0a2494006B72109137630bC026434a809731c07

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.

0.01USDC≈ $0.01 USD
on Base · exact scheme

Pay 0.01 USDC on Base to 0xA0a2…31c07. The signed payment is good for 15 minutes.

USD Coin contract
0x8335…02913
Payment window
15 minutes
As published
10000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xA0a2494006B72109137630bC026434a809731c07",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 900
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "seed": 0,
          "scale": 3,
          "target": 0.1,
          "max_days": 42,
          "max_loss": 0.1,
          "daily_loss": 0.05,
          "simulations": 10000,
          "block_length": 5,
          "daily_returns": [
            0.0042,
            -0.0018,
            0.0031,
            0.0007,
            -0.0125,
            0.0058,
            0.0021,
            -0.0033,
            0.0089,
            -0.0006,
            0.0014,
            0.0037,
            -0.0071,
            0.0052,
            0.0009,
            -0.0022,
            0.0066,
            0.0018,
            -0.0154,
            0.0047,
            0.0029,
            -0.0011,
            0.0073,
            0.0003,
            -0.0041,
            0.0038,
            0.0016,
            -0.0088,
            0.0061,
            0.0024,
            -0.0019,
            0.0045,
            0.0012,
            -0.0233,
            0.0079,
            0.0033,
            -0.0008,
            0.0056,
            0.0021,
            -0.0047
          ]
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "stats": {
            "days": 40,
            "sharpe": 0.651781,
            "var_99": 0.060657,
            "cvar_95": 0.05805,
            "sortino": 0.784758,
            "best_day": 0.0267,
            "skewness": -1.69243,
            "std_daily": 0.01918,
            "worst_day": -0.0699,
            "mean_daily": 0.0007875,
            "max_drawdown": 0.0699,
            "autocorr_lag1": -0.331302,
            "excess_kurtosis": 3.34271,
            "annualized_return": 0.19845,
            "cumulative_return": 0.0315,
            "positive_days_ratio": 0.65,
            "p_value_mean_gt_zero": 0.368816,
            "annualized_volatility": 0.304474
          },
          "method": "Scaled returns added, not compounded. Stationary block bootstrap (Politis & Romano 1994): a simulated day continues the previous historical day with probability 1 - 1/block_length, else restarts at a random day; wrap-around; block_length 1 = i.i.d. Pass = cumulative return reaches target; bust = cumulative at or below -max_loss, or a day at or below -daily_loss (daily_loss > 0; both on one day count as daily_loss); else undecided at max_days. Population std, risk-free rate 0, linear quantiles, p-value (k + 1) / (B + 1). Six significant digits; standard_error is the sampling error. Deterministic per seed.",
          "caveats": [
            "Statistics of the numbers you sent, not a forecast: a bootstrap assumes the sent days are representative and cannot see regimes outside the sample.",
            "Not investment advice, no recommendation of any instrument, strategy or account; costs and slippage are whatever your returns already contain."
          ],
          "challenge": {
            "seed": 0,
            "bust_by": {
              "max_loss": 0.0036,
              "daily_loss": 0.6321
            },
            "simulations": 10000,
            "block_length": 5,
            "days_to_target": {
              "p25": 21,
              "p75": 35,
              "median": 28
            },
            "standard_error": {
              "bust_probability": 0.00481233,
              "pass_probability": 0.00395197
            },
            "terminal_return": {
              "p5": -0.078,
              "p25": -0.0525,
              "p50": -0.0168,
              "p75": 0.0615,
              "p95": 0.108
            },
            "bust_probability": 0.6357,
            "pass_probability": 0.1937,
            "path_max_drawdown": {
              "p50": 0.0699,
              "p95": 0.1038
            },
            "undecided_probability": 0.1706
          },
          "input_summary": {
            "days": 40,
            "seed": 0,
            "scale": 3,
            "target": 0.1,
            "max_days": 42,
            "max_loss": 0.1,
            "daily_loss": 0.05,
            "simulations": 10000,
            "block_length": 5,
            "trading_days_per_year": 252
          }
        }
      }
    },
    "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": {
              "type": "object",
              "required": [
                "daily_returns"
              ],
              "properties": {
                "seed": {
                  "type": "integer",
                  "default": 0,
                  "maximum": 4294967295,
                  "minimum": 0
                },
                "scale": {
                  "type": "number",
                  "default": 1,
                  "maximum": 100,
                  "minimum": 0.001,
                  "description": "Multiplies every return (position size)"
                },
                "target": {
                  "type": "number",
                  "default": 0.1,
                  "maximum": 5,
                  "minimum": 0.0001,
                  "description": "Profit target, fraction of the starting balance"
                },
                "max_days": {
                  "type": "integer",
                  "default": 42,
                  "maximum": 365,
                  "minimum": 1,
                  "description": "Trading days the challenge may take"
                },
                "max_loss": {
                  "type": "number",
                  "default": 0.1,
                  "maximum": 1,
                  "minimum": 0.0001,
                  "description": "Overall loss limit (cumulative at or below -max_loss busts)"
                },
                "daily_loss": {
                  "type": "number",
                  "default": 0.05,
                  "maximum": 1,
                  "minimum": 0,
                  "description": "Single-day loss limit (a day at or below -daily_loss busts); 0 = off"
                },
                "simulations": {
                  "type": "integer",
                  "default": 10000,
                  "maximum": 50000,
                  "minimum": 100
                },
                "block_length": {
                  "type": "number",
                  "default": 5,
                  "maximum": 250,
                  "minimum": 1,
                  "description": "Mean block length; 1 = i.i.d.; may exceed the number of days"
                },
                "daily_returns": {
                  "type": "array",
                  "items": {
                    "type": "number",
                    "maximum": 1,
                    "minimum": -1
                  },
                  "maxItems": 5000,
                  "minItems": 20,
                  "description": "Daily results as fractions of the starting balance, in order (0.004 = +0.4 %)"
                },
                "trading_days_per_year": {
                  "type": "integer",
                  "default": 252,
                  "maximum": 366,
                  "minimum": 1
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "properties": {
                "stats": {
                  "type": "object",
                  "properties": {
                    "days": {
                      "type": "integer"
                    },
                    "sharpe": {
                      "type": [
                        "number",
                        "null"
                      ],
                      "description": "risk-free rate 0; null without variance"
                    },
                    "var_99": {
                      "type": "number",
                      "description": "loss at the 1 % quantile of a day; 0 when it is a gain"
                    },
                    "cvar_95": {
                      "type": "number",
                      "description": "mean loss of the worst 5 % of days; 0 when they are gains"
                    },
                    "sortino": {
                      "type": [
                        "number",
                        "null"
                      ],
                      "description": "null without a losing day"
                    },
                    "best_day": {
                      "type": "number"
                    },
                    "skewness": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "std_daily": {
                      "type": "number",
                      "description": "population standard deviation"
                    },
                    "worst_day": {
                      "type": "number"
                    },
                    "mean_daily": {
                      "type": "number"
                    },
                    "max_drawdown": {
                      "type": "number",
                      "description": "peak-to-trough of the added returns"
                    },
                    "autocorr_lag1": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "excess_kurtosis": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "annualized_return": {
                      "type": "number",
                      "description": "mean_daily × trading_days_per_year"
                    },
                    "cumulative_return": {
                      "type": "number"
                    },
                    "positive_days_ratio": {
                      "type": "number"
                    },
                    "p_value_mean_gt_zero": {
                      "type": "number",
                      "description": "(k + 1) / (B + 1), B = 2,000 i.i.d. resamples, k means at or below zero"
                    },
                    "annualized_volatility": {
                      "type": "number"
                    }
                  },
                  "description": "of the scaled returns; every figure rounded to six significant digits"
                },
                "method": {
                  "type": "string"
                },
                "caveats": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                },
                "challenge": {
                  "type": "object",
                  "properties": {
                    "seed": {
                      "type": "integer"
                    },
                    "bust_by": {
                      "type": "object",
                      "properties": {
                        "max_loss": {
                          "type": "number"
                        },
                        "daily_loss": {
                          "type": "number"
                        }
                      },
                      "description": "a day breaking both rules counts under daily_loss"
                    },
                    "simulations": {
                      "type": "integer"
                    },
                    "block_length": {
                      "type": "number"
                    },
                    "days_to_target": {
                      "type": [
                        "object",
                        "null"
                      ],
                      "properties": {
                        "p25": {
                          "type": "number"
                        },
                        "p75": {
                          "type": "number"
                        },
                        "median": {
                          "type": "number"
                        }
                      },
                      "description": "trading days until the target over the passing paths; null when none passed"
                    },
                    "standard_error": {
                      "type": "object",
                      "properties": {
                        "bust_probability": {
                          "type": "number"
                        },
                        "pass_probability": {
                          "type": "number"
                        }
                      },
                      "description": "sampling error sqrt(p (1 - p) / simulations)"
                    },
                    "terminal_return": {
                      "type": "object",
                      "properties": {
                        "p5": {
                          "type": "number"
                        },
                        "p25": {
                          "type": "number"
                        },
                        "p50": {
                          "type": "number"
                        },
                        "p75": {
                          "type": "number"
                        },
                        "p95": {
                          "type": "number"
                        }
                      },
                      "description": "cumulative return where each path stopped"
                    },
                    "bust_probability": {
                      "type": "number"
                    },
                    "pass_probability": {
                      "type": "number"
                    },
                    "path_max_drawdown": {
                      "type": "object",
                      "properties": {
                        "p50": {
                          "type": "number"
                        },
                        "p95": {
                          "type": "number"
                        }
                      }
                    },
                    "undecided_probability": {
                      "type": "number",
                      "description": "neither target nor a rule within max_days"
                    }
                  }
                },
                "input_summary": {
                  "type": "object",
                  "properties": {
                    "days": {
                      "type": "integer"
                    },
                    "seed": {
                      "type": "integer"
                    },
                    "scale": {
                      "type": "number"
                    },
                    "target": {
                      "type": "number"
                    },
                    "max_days": {
                      "type": "integer"
                    },
                    "max_loss": {
                      "type": "number"
                    },
                    "daily_loss": {
                      "type": "number"
                    },
                    "simulations": {
                      "type": "integer"
                    },
                    "block_length": {
                      "type": "number"
                    },
                    "trading_days_per_year": {
                      "type": "integer"
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-16 15:32Z
Last indexed by Roundhouse
2026-09-25 17:30Z
Last enriched (probe, favicon, geo)
2026-09-16 19:45Z
x402 version
2
Max timeout
900s
Liveness probe
HTTP 404
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

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far. 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 Agent Souk 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=Agent%20Souk'
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://api.agentsouk.dev/v1/x402/lst_01M2ND5C6502HRV8VA9PMG40W6, 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.