mini-tollbooth.onrender.com

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required",
  "pitch": "Which tools does this task actually need? Hand over the task and the tool registry — get the minimal allowlist with per-tool justification, plus when to re-scope. One 10¢ call.",
  "stats": {
    "note": "task description + tool registry → minimal allowlist with per-tool justification + re-scoping guidance — heuristic keyword/effect matching on declared entries, NOT a sandbox; a tool hiding its effects escapes",
    "chains": [
      "base"
    ]
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "payTo": "CDhLHtuj1HnPVDuZVtJxyw5aEpf6ZQxfBTrqAtFcWb2e",
      "amount": "100000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://mini-tollbooth.onrender.com/task-scope",
    "tags": [
      "agent-ops",
      "tool-safety",
      "least-privilege",
      "insurance"
    ],
    "mimeType": "application/json",
    "description": "NOT A SANDBOX — task-scoped least-privilege tool allowlisting ($0.10): hand it the task description and tool registry, get the minimal allowlist with per-tool justification plus phase-change re-scoping guidance. Heuristic keyword/effect matching — a tool that hides its effects escapes the screen. Blast-radius control for honest agents, not containment. Toll: $0.10 USDC on Base or Solana.",
    "serviceName": "TrollBridge"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "tool_registry": [
              {
                "name": "web_search",
                "description": "search the web, read only"
              },
              {
                "name": "usdc_send",
                "effects": [
                  "transfer",
                  "pay"
                ],
                "description": "transfer USDC to an address"
              }
            ],
            "task_description": "Search for open bounties, then send the payout to the winner"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "lane": "/task-scope",
            "warning": "NOT_A_SANDBOX — heuristic keyword/effect matching on declared registry entries, not containment of a lying tool.",
            "excluded": [
              {
                "tool": "file_write",
                "reason": "…",
                "effects": [
                  "persistent_write"
                ]
              }
            ],
            "allowlist": [
              {
                "tool": "web_search",
                "phase": "discovery",
                "effect_class": "read_only",
                "justification": "…"
              }
            ],
            "description": "NOT A SANDBOX — task-scoped least-privilege tool allowlisting ($0.10): hand it the task description and tool registry, get the minimal allowlist with per-tool justification plus phase-change re-scoping guidance. Heuristic keyword/effect matching — a tool that hides its effects escapes the screen. Blast-radius control for honest agents, not containment.",
            "task_phases": [
              "discovery",
              "money"
            ],
            "tools_evaluated": 3,
            "rescope_triggers": [
              "…"
            ]
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [
                  "task_description",
                  "tool_registry"
                ],
                "properties": {
                  "tool_registry": {
                    "type": "array",
                    "description": "Tool catalog to scope from: [{name, description, effects: [strings]}] — required, 1-200 tools."
                  },
                  "task_description": {
                    "type": "string",
                    "description": "What the agent is about to do, plain text (max 4000 chars) — required."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2,
  "fuel_savings": "Save 25% with TrollBridge Fuel (GAS): 1 GAS = 1 crossing on 2-cent lanes, 3 GAS on 5-cent lanes, 6 GAS on 10-cent protection lanes. Pump: 0x8C84E6D97847A47aeb94Bb07Dc81Dad1560eEfa2 on Base. Free info: GET /fuel"
}

Accepts

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

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://mini-tollbooth.onrender.com/task-scope",
    "description": "",
    "maxAmountRequired": "100000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
    },
    "payTo": "CDhLHtuj1HnPVDuZVtJxyw5aEpf6ZQxfBTrqAtFcWb2e",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "mimeType": "application/json",
    "resource": "https://mini-tollbooth.onrender.com/task-scope",
    "description": "",
    "maxAmountRequired": "100000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-05 20:10Z

Last indexed by Roundhouse

2026-10-11 20:16Z

Last enriched (probe, favicon, geo)

2026-10-06 13:46Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402